S13A1

Seiko Instruments Inc

HIGH RIPPLE-REJECTION LOW DROPOUT

Manufacturer: Seiko Instruments Inc

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www.sii-ic.com HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR © Seiko Instruments Inc., 2011-2015 Rev.2.0_00 Seiko Instruments Inc. 1 The S-13A1 Series is a positive voltage r egulator with a low dropout voltage, high- accuracy output voltage, and low current consumption developed based on CMOS technology. A 2.2 μF small ceramic capacitor can be used, and the very sm all dropout voltage and the lar ge output current due to the built-in transistor with low on-resistance are provided. The S-13A1 Series includes a load current protection circuit that prevents the output current from exceeding the current capac ity of the output trans istor and a thermal shutdown circuit that prevents damage due to overheating. In additi on to the types in which output voltage is set inside the IC, a type for which output voltage can be set via an external re sistor is added to a lineup. Also, the S- 13A1 Series includes an inrush current limit circuit to limit the excess inrush cu rrent generated at power-on or at the time when the ON / OFF pin is set to ON. High heat radiation HSOP-8A and HSOP-6 or small SOT-89-5 and HSNT-6A packages realize high-density mounting.  Features

Output voltage (internally set): 1.0 V to 3.5 V, selectable in 0.05 V step
Output voltage (externally set): 1.05 V to 5.0 V, settable via external resistor (HSOP-8A, HSOP-6 and SOT-89-5 only)
Input voltage: 1.5 V to 5.5 V
Output voltage accuracy: ±1.0% (internally set, 1.0 V to 1.45 V output product: ±15 mV)
Dropout voltage: 70 mV typ. (3.0 V output product, I OUT = 300 mA)
Current consumption: During operation: 60 μA typ., 90 μA max. During power-off: 0.1 μA typ., 1.0 μA max.
Output current: Possible to output 1000 mA (V IN ≥ VOUT(S) + 1.0 V)*1
Input and output capacitors: A ceramic capacitor of 2.2 μF or more can be used.
Ripple rejection: 70 dB typ. (f = 1.0 kHz)
Built-in overcurrent protection circuit: Limits overcurrent of output transistor.
Built-in thermal shutdown circuit: Prevents damage caused by heat.
Built-in inrush current limit circuit: Limits excessive inrush current generat ed at power-on or at the time when the ON / OFF pin is set to ON. For types in which output voltage is in ternally set of HSOP-8A, HSOP-6 and SOT-89-5 inrush current limit time can be changed via an external capacitor SS). Inrush current limit time 0.7 ms typ. (types in which output voltage is internally set of HSOP-8A, HSOP-6 SOT-89-5, C SS = 1.0 nF) Inrush current limit time 0.4 ms typ. (types in which output voltage is in ternally set of HSOP-8A, HSOP-6, SOT-89-5, SSC pin = open) Inrush current limit time 0.4 ms typ. (types in which output voltage is ex ternally set of HSOP-8A, HSOP-6, SOT-89-5, types in which output voltage is internally set of HSNT-6A *2)
Built-in ON / OFF circuit: Ensures long battery life.
Pull-down resistor is selectable.
Discharge shunt function is selectable.
Operation temperature range: Ta = −40°C to +85°C
Lead-free (Sn 100%), halogen-free *1. Please make sure that the loss of the IC will not ex ceed the power dissipation when the output current is large. *2. Types in which output voltage is externally set are unavailable.  Applications
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for TV, notebook PC and home electric appliance
Constant-voltage power supply for portable equipment  Packages
HSOP-8A
HSOP-6
SOT-89-5
HSNT-6A

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 6  Product Name Structure Users can select the product type, output voltage, and package type for the S-13A1 Series. Refer to " 1. Product name" regarding the content s of product name, " 2. Function list of product type " regarding the product type, "3. Packages " regarding the package drawings, "4. Product name list " regarding details of the product name. 1. Product name 1. 1 HSOP-8A, HSOP-6, SOT-89-5 S-13A1 x xx - xxxx U 3 Product type*3 A to D Package abbreviation and IC packing specifications*1 E8T1: HSOP-8A, Tape E6T1: HSOP-6, Tape U5T1: SOT-89-5, Tape Output voltage*2 00: Externally set 10 to 35: Internally set (e.g., when the output voltage is 1.0 V, it is expressed as 10.) Environmental code U: Lead-free (Sn 100%), halogen-free *1. Refer to the tape drawing. *2. If you request the product which has 0.05 V step, contact our sales office. *3. Refer to " 2. Function list of product type ". 1. 2 HSNT-6A S-13A1 x xx - A6T1 U 3 Product type*4 A to D Package abbreviation and IC packing specifications*1 A6T1: HSNT-6A, Tape Output voltage*2 10 to 35: Internally set *3 (e.g., when the output voltage is 1. 0 V, it is expressed as 10.) Environmental code U: Lead-free (Sn 100%), halogen-free *1. Refer to the tape drawing. *2. If you request the product which has 0.05 V step, contact our sales office. *3. Types in which output voltage is externally set are unavailable. *4. Refer to " 2. Function list of product type ".

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 7 2. Function list of product type Table 1 Product Type ON / OFF Logic Discharge Shunt Function Pull-down Resistor Output Voltage Inrush Current Limit Time Package A Active "H" Available Available Internally set Adjustable via an external capacitor (CSS) HSOP-8A, HSOP-6, SOT-89-5 Fixed to 0.4 ms typ. HSNT-6A Externally set Fixed to 0.4 ms typ. HSOP-8A, HSOP-6, SOT-89-5 B Active "H" Available Unavailable Internally set Adjustable via an external capacitor (CSS) HSOP-8A, HSOP-6, SOT-89-5 Fixed to 0.4 ms typ. HSNT-6A Externally set Fixed to 0.4 ms typ. HSOP-8A, HSOP-6, SOT-89-5 C Active "H" Unavailable Available Internally set Adjustable via an external capacitor (CSS) HSOP-8A, HSOP-6, SOT-89-5 Fixed to 0.4 ms typ. HSNT-6A Externally set Fixed to 0.4 ms typ. HSOP-8A, HSOP-6, SOT-89-5 D Active "H" Unavailable Unavailable Internally set Adjustable via an external capacitor (CSS) HSOP-8A, HSOP-6, SOT-89-5 Fixed to 0.4 ms typ. HSNT-6A Externally set Fixed to 0.4 ms typ. HSOP-8A, HSOP-6, SOT-89-5 Remark Only types in which output voltage is internally set are available for HSNT-6A package. Moreover, inrush current limit time is fixed to 0.4 ms typ. that can not be changed. 3. Packages Table 2 Package Drawing Codes Package Name Dimension Tape Reel Land Stencil Opening HSOP-8A FH008-Z-P-SD FH008-Z-P-S1 FH008-Z-C-SD FH008-Z-C-S1 FH008-Z-R-SD FH008-Z-L-SD − HSOP-6 FH006-A-P-SD FH006-A-C-SD FH006-A-R-S1 FH006-A-L-SD − SOT-89-5 UP005-A-P-SD UP005-A-C-SD UP005-A-R-SD − − HSNT-6A PJ006-A-P-SD PJ006-A-C-SD PJ 006-A-R-SD PJ006-A-LM-SD PJ006-A-LM-SD

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 8 4. Product name list 4. 1 S-13A1 Series A type ON / OFF logic: Active "H" Discharge shunt function: Availabl e Pull-down resistor: Available Table 3 Output Voltage HSOP-8A HSOP-6 SOT-89-5 HSNT-6A Externally set S-13A1A00-E8T1U3 S-13A1A00-E6T1U3 S-13A1A00-U5T1U3 −

1.0 V ± 15 mV S-13A1A10-E8T1U3 S-13A1A10-E6T1U3 S-13A1A10-U5T1U3 S-13A1A10-A6T1U3

1.1 V ± 15 mV S-13A1A11-E8T1U3 S-13A1A11-E6T1U3 S-13A1A11-U5T1U3 S-13A1A11-A6T1U3

1.2 V ± 15 mV S-13A1A12-E8T1U3 S-13A1A12-E6T1U3 S-13A1A12-U5T1U3 S-13A1A12-A6T1U3

1.25 V ± 15 mV S-13A1A1C-E8T1U3 S-13A1A1C-E6T1U 3 S-13A1A1C-U5T1U3 S-13A1A1C-A6T1U3

1.3 V ± 15 mV S-13A1A13-E8T1U3 S-13A1A13-E6T1U3 S-13A1A13-U5T1U3 S-13A1A13-A6T1U3

1.4 V ± 15 mV S-13A1A14-E8T1U3 S-13A1A14-E6T1U3 S-13A1A14-U5T1U3 S-13A1A14-A6T1U3

1.5 V ± 1.0% S-13A1A15-E8T1U3 S-13A1A15-E6T1U3 S-13A1A15-U5T1U3 S-13A1A15-A6T1U3 1.6 V ± 1.0% S-13A1A16-E8T1U3 S-13A1A16-E6T1U3 S-13A1A16-U5T1U3 S-13A1A16-A6T1U3 1.7 V ± 1.0% S-13A1A17-E8T1U3 S-13A1A17-E6T1U3 S-13A1A17-U5T1U3 S-13A1A17-A6T1U3 1.8 V ± 1.0% S-13A1A18-E8T1U3 S-13A1A18-E6T1U3 S-13A1A18-U5T1U3 S-13A1A18-A6T1U3 1.85 V ± 1.0% S-13A1A1J-E8T1U3 S-13A1A1J-E6T1U 3 S-13A1A1J-U5T1U3 S-13A1A1J-A6T1U3 1.9 V ± 1.0% S-13A1A19-E8T1U3 S-13A1A19-E6T1U3 S-13A1A19-U5T1U3 S-13A1A19-A6T1U3 2.0 V ± 1.0% S-13A1A20-E8T1U3 S-13A1A20-E6T1U3 S-13A1A20-U5T1U3 S-13A1A20-A6T1U3 2.1 V ± 1.0% S-13A1A21-E8T1U3 S-13A1A21-E6T1U3 S-13A1A21-U5T1U3 S-13A1A21-A6T1U3 2.2 V ± 1.0% S-13A1A22-E8T1U3 S-13A1A22-E6T1U3 S-13A1A22-U5T1U3 S-13A1A22-A6T1U3 2.3 V ± 1.0% S-13A1A23-E8T1U3 S-13A1A23-E6T1U3 S-13A1A23-U5T1U3 S-13A1A23-A6T1U3 2.4 V ± 1.0% S-13A1A24-E8T1U3 S-13A1A24-E6T1U3 S-13A1A24-U5T1U3 S-13A1A24-A6T1U3 2.5 V ± 1.0% S-13A1A25-E8T1U3 S-13A1A25-E6T1U3 S-13A1A25-U5T1U3 S-13A1A25-A6T1U3 2.6 V ± 1.0% S-13A1A26-E8T1U3 S-13A1A26-E6T1U3 S-13A1A26-U5T1U3 S-13A1A26-A6T1U3 2.7 V ± 1.0% S-13A1A27-E8T1U3 S-13A1A27-E6T1U3 S-13A1A27-U5T1U3 S-13A1A27-A6T1U3 2.8 V ± 1.0% S-13A1A28-E8T1U3 S-13A1A28-E6T1U3 S-13A1A28-U5T1U3 S-13A1A28-A6T1U3 2.85 V ± 1.0% S-13A1A2J-E8T1U3 S-13A1A2J-E6T1U 3 S-13A1A2J-U5T1U3 S-13A1A2J-A6T1U3 2.9 V ± 1.0% S-13A1A29-E8T1U3 S-13A1A29-E6T1U3 S-13A1A29-U5T1U3 S-13A1A29-A6T1U3 3.0 V ± 1.0% S-13A1A30-E8T1U3 S-13A1A30-E6T1U3 S-13A1A30-U5T1U3 S-13A1A30-A6T1U3 3.1 V ± 1.0% S-13A1A31-E8T1U3 S-13A1A31-E6T1U3 S-13A1A31-U5T1U3 S-13A1A31-A6T1U3 3.2 V ± 1.0% S-13A1A32-E8T1U3 S-13A1A32-E6T1U3 S-13A1A32-U5T1U3 S-13A1A32-A6T1U3 3.3 V ± 1.0% S-13A1A33-E8T1U3 S-13A1A33-E6T1U3 S-13A1A33-U5T1U3 S-13A1A33-A6T1U3 3.4 V ± 1.0% S-13A1A34-E8T1U3 S-13A1A34-E6T1U3 S-13A1A34-U5T1U3 S-13A1A34-A6T1U3 3.5 V ± 1.0% S-13A1A35-E8T1U3 S-13A1A35-E6T1U3 S-13A1A35-U5T1U3 S-13A1A35-A6T1U3 Remark Please contact our sales office for products with specifications other than the above.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 9 4. 2 S-13A1 Series B type ON / OFF logic: Active "H" Discharge shunt function: Availabl e Pull-down resistor: Unavailable Table 4 Output Voltage HSOP-8A HSOP-6 SOT-89-5 HSNT-6A Externally set S-13A1B00-E8T1U3 S-13A1B00-E6T1U3 S-13A1B00-U5T1U3 −

1.0 V ± 15 mV S-13A1B10-E8T1U3 S-13A1B10-E6T1U3 S-13A1B10-U5T1U3 S-13A1B10-A6T1U3

1.1 V ± 15 mV S-13A1B11-E8T1U3 S-13A1B11-E6T1U3 S-13A1B11-U5T1U3 S-13A1B11-A6T1U3

1.2 V ± 15 mV S-13A1B12-E8T1U3 S-13A1B12-E6T1U3 S-13A1B12-U5T1U3 S-13A1B12-A6T1U3

1.25 V ± 15 mV S-13A1B1C-E8T1U3 S-13A1B1C-E6T1U 3 S-13A1B1C-U5T1U3 S-13A1B1C-A6T1U3

1.3 V ± 15 mV S-13A1B13-E8T1U3 S-13A1B13-E6T1U3 S-13A1B13-U5T1U3 S-13A1B13-A6T1U3

1.4 V ± 15 mV S-13A1B14-E8T1U3 S-13A1B14-E6T1U3 S-13A1B14-U5T1U3 S-13A1B14-A6T1U3

1.5 V ± 1.0% S-13A1B15-E8T1U3 S-13A1B15-E6T1U3 S-13A1B15-U5T1U3 S-13A1B15-A6T1U3 1.6 V ± 1.0% S-13A1B16-E8T1U3 S-13A1B16-E6T1U3 S-13A1B16-U5T1U3 S-13A1B16-A6T1U3 1.7 V ± 1.0% S-13A1B17-E8T1U3 S-13A1B17-E6T1U3 S-13A1B17-U5T1U3 S-13A1B17-A6T1U3 1.8 V ± 1.0% S-13A1B18-E8T1U3 S-13A1B18-E6T1U3 S-13A1B18-U5T1U3 S-13A1B18-A6T1U3 1.85 V ± 1.0% S-13A1B1J-E8T1U3 S-13A1B1J-E6T1U 3 S-13A1B1J-U5T1U3 S-13A1B1J-A6T1U3 1.9 V ± 1.0% S-13A1B19-E8T1U3 S-13A1B19-E6T1U3 S-13A1B19-U5T1U3 S-13A1B19-A6T1U3 2.0 V ± 1.0% S-13A1B20-E8T1U3 S-13A1B20-E6T1U3 S-13A1B20-U5T1U3 S-13A1B20-A6T1U3 2.1 V ± 1.0% S-13A1B21-E8T1U3 S-13A1B21-E6T1U3 S-13A1B21-U5T1U3 S-13A1B21-A6T1U3 2.2 V ± 1.0% S-13A1B22-E8T1U3 S-13A1B22-E6T1U3 S-13A1B22-U5T1U3 S-13A1B22-A6T1U3 2.3 V ± 1.0% S-13A1B23-E8T1U3 S-13A1B23-E6T1U3 S-13A1B23-U5T1U3 S-13A1B23-A6T1U3 2.4 V ± 1.0% S-13A1B24-E8T1U3 S-13A1B24-E6T1U3 S-13A1B24-U5T1U3 S-13A1B24-A6T1U3 2.5 V ± 1.0% S-13A1B25-E8T1U3 S-13A1B25-E6T1U3 S-13A1B25-U5T1U3 S-13A1B25-A6T1U3 2.6 V ± 1.0% S-13A1B26-E8T1U3 S-13A1B26-E6T1U3 S-13A1B26-U5T1U3 S-13A1B26-A6T1U3 2.7 V ± 1.0% S-13A1B27-E8T1U3 S-13A1B27-E6T1U3 S-13A1B27-U5T1U3 S-13A1B27-A6T1U3 2.8 V ± 1.0% S-13A1B28-E8T1U3 S-13A1B28-E6T1U3 S-13A1B28-U5T1U3 S-13A1B28-A6T1U3 2.85 V ± 1.0% S-13A1B2J-E8T1U3 S-13A1B2J-E6T1U 3 S-13A1B2J-U5T1U3 S-13A1B2J-A6T1U3 2.9 V ± 1.0% S-13A1B29-E8T1U3 S-13A1B29-E6T1U3 S-13A1B29-U5T1U3 S-13A1B29-A6T1U3 3.0 V ± 1.0% S-13A1B30-E8T1U3 S-13A1B30-E6T1U3 S-13A1B30-U5T1U3 S-13A1B30-A6T1U3 3.1 V ± 1.0% S-13A1B31-E8T1U3 S-13A1B31-E6T1U3 S-13A1B31-U5T1U3 S-13A1B31-A6T1U3 3.2 V ± 1.0% S-13A1B32-E8T1U3 S-13A1B32-E6T1U3 S-13A1B32-U5T1U3 S-13A1B32-A6T1U3 3.3 V ± 1.0% S-13A1B33-E8T1U3 S-13A1B33-E6T1U3 S-13A1B33-U5T1U3 S-13A1B33-A6T1U3 3.4 V ± 1.0% S-13A1B34-E8T1U3 S-13A1B34-E6T1U3 S-13A1B34-U5T1U3 S-13A1B34-A6T1U3 3.5 V ± 1.0% S-13A1B35-E8T1U3 S-13A1B35-E6T1U3 S-13A1B35-U5T1U3 S-13A1B35-A6T1U3 Remark Please contact our sales office for products with specifications other than the above.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 10 4. 3 S-13A1 Series C type ON / OFF logic: Active "H" Discharge shunt function: Unavail able Pull-down resistor: Available Table 5 Output Voltage HSOP-8A HSOP-6 SOT-89-5 HSNT-6A Externally set S-13A1C00-E8T1U3 S-13A1C00-E6T1U3 S-13A1C00-U5T1U3 −

1.0 V ± 15 mV S-13A1C10-E8T1U3 S-13A1C10-E6T1U3 S-13A1C10-U5T1U3 S-13A1C10-A6T1U3

1.1 V ± 15 mV S-13A1C11-E8T1U3 S-13A1C11-E6T1U3 S-13A1C11-U5T1U3 S-13A1C11-A6T1U3

1.2 V ± 15 mV S-13A1C12-E8T1U3 S-13A1C12-E6T1U3 S-13A1C12-U5T1U3 S-13A1C12-A6T1U3

1.25 V ± 15 mV S-13A1C1C-E8T1U3 S-13A1C1C-E6T1U 3 S-13A1C1C-U5T1U3 S-13A1C1C-A6T1U3

1.3 V ± 15 mV S-13A1C13-E8T1U3 S-13A1C13-E6T1U3 S-13A1C13-U5T1U3 S-13A1C13-A6T1U3

1.4 V ± 15 mV S-13A1C14-E8T1U3 S-13A1C14-E6T1U3 S-13A1C14-U5T1U3 S-13A1C14-A6T1U3

1.5 V ± 1.0% S-13A1C15-E8T1U3 S-13A1C15-E6T1U3 S-13A1C15-U5T1U3 S-13A1C15-A6T1U3 1.6 V ± 1.0% S-13A1C16-E8T1U3 S-13A1C16-E6T1U3 S-13A1C16-U5T1U3 S-13A1C16-A6T1U3 1.7 V ± 1.0% S-13A1C17-E8T1U3 S-13A1C17-E6T1U3 S-13A1C17-U5T1U3 S-13A1C17-A6T1U3 1.8 V ± 1.0% S-13A1C18-E8T1U3 S-13A1C18-E6T1U3 S-13A1C18-U5T1U3 S-13A1C18-A6T1U3 1.85 V ± 1.0% S-13A1C1J-E8T1U3 S-13A1C1J-E6T1U 3 S-13A1C1J-U5T1U3 S-13A1C1J-A6T1U3 1.9 V ± 1.0% S-13A1C19-E8T1U3 S-13A1C19-E6T1U3 S-13A1C19-U5T1U3 S-13A1C19-A6T1U3 2.0 V ± 1.0% S-13A1C20-E8T1U3 S-13A1C20-E6T1U3 S-13A1C20-U5T1U3 S-13A1C20-A6T1U3 2.1 V ± 1.0% S-13A1C21-E8T1U3 S-13A1C21-E6T1U3 S-13A1C21-U5T1U3 S-13A1C21-A6T1U3 2.2 V ± 1.0% S-13A1C22-E8T1U3 S-13A1C22-E6T1U3 S-13A1C22-U5T1U3 S-13A1C22-A6T1U3 2.3 V ± 1.0% S-13A1C23-E8T1U3 S-13A1C23-E6T1U3 S-13A1C23-U5T1U3 S-13A1C23-A6T1U3 2.4 V ± 1.0% S-13A1C24-E8T1U3 S-13A1C24-E6T1U3 S-13A1C24-U5T1U3 S-13A1C24-A6T1U3 2.5 V ± 1.0% S-13A1C25-E8T1U3 S-13A1C25-E6T1U3 S-13A1C25-U5T1U3 S-13A1C25-A6T1U3 2.6 V ± 1.0% S-13A1C26-E8T1U3 S-13A1C26-E6T1U3 S-13A1C26-U5T1U3 S-13A1C26-A6T1U3 2.7 V ± 1.0% S-13A1C27-E8T1U3 S-13A1C27-E6T1U3 S-13A1C27-U5T1U3 S-13A1C27-A6T1U3 2.8 V ± 1.0% S-13A1C28-E8T1U3 S-13A1C28-E6T1U3 S-13A1C28-U5T1U3 S-13A1C28-A6T1U3 2.85 V ± 1.0% S-13A1C2J-E8T1U3 S-13A1C2J-E6T1U 3 S-13A1C2J-U5T1U3 S-13A1C2J-A6T1U3 2.9 V ± 1.0% S-13A1C29-E8T1U3 S-13A1C29-E6T1U3 S-13A1C29-U5T1U3 S-13A1C29-A6T1U3 3.0 V ± 1.0% S-13A1C30-E8T1U3 S-13A1C30-E6T1U3 S-13A1C30-U5T1U3 S-13A1C30-A6T1U3 3.1 V ± 1.0% S-13A1C31-E8T1U3 S-13A1C31-E6T1U3 S-13A1C31-U5T1U3 S-13A1C31-A6T1U3 3.2 V ± 1.0% S-13A1C32-E8T1U3 S-13A1C32-E6T1U3 S-13A1C32-U5T1U3 S-13A1C32-A6T1U3 3.3 V ± 1.0% S-13A1C33-E8T1U3 S-13A1C33-E6T1U3 S-13A1C33-U5T1U3 S-13A1C33-A6T1U3 3.4 V ± 1.0% S-13A1C34-E8T1U3 S-13A1C34-E6T1U3 S-13A1C34-U5T1U3 S-13A1C34-A6T1U3 3.5 V ± 1.0% S-13A1C35-E8T1U3 S-13A1C35-E6T1U3 S-13A1C35-U5T1U3 S-13A1C35-A6T1U3 Remark Please contact our sales office for products with specifications other than the above.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 11 4. 4 S-13A1 Series D type ON / OFF logic: Active "H" Discharge shunt function: Unavailabl e Pull-down resistor: Unavailable Table 6 Output Voltage HSOP-8A HSOP-6 SOT-89-5 HSNT-6A Externally set S-13A1D00-E8T1U3 S-13A1D00-E6T1U3 S-13A1D00-U5T1U3 −

1.0 V ± 15 mV S-13A1D10-E8T1U3 S-13A1D10-E6T1U3 S-13A1D10-U5T1U3 S-13A1D10-A6T1U3

1.1 V ± 15 mV S-13A1D11-E8T1U3 S-13A1D11-E6T1U3 S-13A1D11-U5T1U3 S-13A1D11-A6T1U3

1.2 V ± 15 mV S-13A1D12-E8T1U3 S-13A1D12-E6T1U3 S-13A1D12-U5T1U3 S-13A1D12-A6T1U3

1.25 V ± 15 mV S-13A1D1C-E8T1U3 S-13A1D1C-E6T1U 3 S-13A1D1C-U5T1U3 S-13A1D1C-A6T1U3

1.3 V ± 15 mV S-13A1D13-E8T1U3 S-13A1D13-E6T1U3 S-13A1D13-U5T1U3 S-13A1D13-A6T1U3

1.4 V ± 15 mV S-13A1D14-E8T1U3 S-13A1D14-E6T1U3 S-13A1D14-U5T1U3 S-13A1D14-A6T1U3

1.5 V ± 1.0% S-13A1D15-E8T1U3 S-13A1D15-E6T1U3 S-13A1D15-U5T1U3 S-13A1D15-A6T1U3 1.6 V ± 1.0% S-13A1D16-E8T1U3 S-13A1D16-E6T1U3 S-13A1D16-U5T1U3 S-13A1D16-A6T1U3 1.7 V ± 1.0% S-13A1D17-E8T1U3 S-13A1D17-E6T1U3 S-13A1D17-U5T1U3 S-13A1D17-A6T1U3 1.8 V ± 1.0% S-13A1D18-E8T1U3 S-13A1D18-E6T1U3 S-13A1D18-U5T1U3 S-13A1D18-A6T1U3 1.85 V ± 1.0% S-13A1D1J-E8T1U3 S-13A1D1J-E6T1U 3 S-13A1D1J-U5T1U3 S-13A1D1J-A6T1U3 1.9 V ± 1.0% S-13A1D19-E8T1U3 S-13A1D19-E6T1U3 S-13A1D19-U5T1U3 S-13A1D19-A6T1U3 2.0 V ± 1.0% S-13A1D20-E8T1U3 S-13A1D20-E6T1U3 S-13A1D20-U5T1U3 S-13A1D20-A6T1U3 2.1 V ± 1.0% S-13A1D21-E8T1U3 S-13A1D21-E6T1U3 S-13A1D21-U5T1U3 S-13A1D21-A6T1U3 2.2 V ± 1.0% S-13A1D22-E8T1U3 S-13A1D22-E6T1U3 S-13A1D22-U5T1U3 S-13A1D22-A6T1U3 2.3 V ± 1.0% S-13A1D23-E8T1U3 S-13A1D23-E6T1U3 S-13A1D23-U5T1U3 S-13A1D23-A6T1U3 2.4 V ± 1.0% S-13A1D24-E8T1U3 S-13A1D24-E6T1U3 S-13A1D24-U5T1U3 S-13A1D24-A6T1U3 2.5 V ± 1.0% S-13A1D25-E8T1U3 S-13A1D25-E6T1U3 S-13A1D25-U5T1U3 S-13A1D25-A6T1U3 2.6 V ± 1.0% S-13A1D26-E8T1U3 S-13A1D26-E6T1U3 S-13A1D26-U5T1U3 S-13A1D26-A6T1U3 2.7 V ± 1.0% S-13A1D27-E8T1U3 S-13A1D27-E6T1U3 S-13A1D27-U5T1U3 S-13A1D27-A6T1U3 2.8 V ± 1.0% S-13A1D28-E8T1U3 S-13A1D28-E6T1U3 S-13A1D28-U5T1U3 S-13A1D28-A6T1U3 2.85 V ± 1.0% S-13A1D2J-E8T1U3 S-13A1D2J-E6T1U 3 S-13A1D2J-U5T1U3 S-13A1D2J-A6T1U3 2.9 V ± 1.0% S-13A1D29-E8T1U3 S-13A1D29-E6T1U3 S-13A1D29-U5T1U3 S-13A1D29-A6T1U3 3.0 V ± 1.0% S-13A1D30-E8T1U3 S-13A1D30-E6T1U3 S-13A1D30-U5T1U3 S-13A1D30-A6T1U3 3.1 V ± 1.0% S-13A1D31-E8T1U3 S-13A1D31-E6T1U3 S-13A1D31-U5T1U3 S-13A1D31-A6T1U3 3.2 V ± 1.0% S-13A1D32-E8T1U3 S-13A1D32-E6T1U3 S-13A1D32-U5T1U3 S-13A1D32-A6T1U3 3.3 V ± 1.0% S-13A1D33-E8T1U3 S-13A1D33-E6T1U3 S-13A1D33-U5T1U3 S-13A1D33-A6T1U3 3.4 V ± 1.0% S-13A1D34-E8T1U3 S-13A1D34-E6T1U3 S-13A1D34-U5T1U3 S-13A1D34-A6T1U3 3.5 V ± 1.0% S-13A1D35-E8T1U3 S-13A1D35-E6T1U3 S-13A1D35-U5T1U3 S-13A1D35-A6T1U3 Remark Please contact our sales office for products with specifications other than the above.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 12  Pin Configurations 1. HSOP-8A Bottom view Top view *1. Connect the heat sink of backside at shadowed area to the board, and set electric potential GND. However, do not use it as the function of electrode. Figure 9 Table 7 Types in Which Output Voltage is Internally Set Pin No. Symbol Description

1 VOUT Output voltage pin

2 ON / OFF ON / OFF pin

3 NC*1 No connection

4 VSS GND pin

5 SSC*2 Inrush current limit pin

6 NC*1 No connection

7 NC*1 No connection

8 VIN Input voltage pin

*1. The NC pin is electrically open. The NC pin can be connected to the VIN pin or the VSS pin. *2. Connect a capacitor between the SSC pin and the VSS pin. The inrush current limit time of the VOUT pin at power-on or at the time when the ON / OFF pin is set to ON can be adjusted according to the capacitance. Moreover, the SSC pin is available even when it is open. For details, refer to "  Selection of Capacitor for Inrush Current Limit (C SS) (Types in Which Output Voltage is Internally Set of HSOP-8A, HSOP-6, SOT-89-5)". Table 8 Types in Which Output Voltage is Externally Set Pin No. Symbol Description

2 VADJ Output voltage adjustment pin

5 ON / OFF ON / OFF pin

*1. The NC pin is electrically open. The NC pin can be connected to the VIN pin or the VSS pin.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 13 2. HSOP-6 13 2 465 Top view Figure 10 Table 9 Types in Which Output Voltage is Internally Set Pin No. Symbol Description

2 VSS GND pin

3 ON / OFF ON / OFF pin

4 SSC*1 Inrush current limit pin

5 VSS GND pin

6 VIN Input voltage pin

*1. Connect a capacitor between the SSC pin and the VSS pin. The inrush current limit time of the VOUT pin at power-on or at the time when the ON / OFF pin is set to ON can be adjusted according to the capacitance. Moreover, the SSC pin is available even when it is open. For details, refer to "  Selection of Capacitor for Inrush Current Limit (C SS) (Types in Which Output Voltage is Internally Set of HSOP-8A, HSOP-6, SOT-89-5)". Table 10 Types in Which Output Voltage is Externally Set Pin No. Symbol Description

3 VADJ Output voltage adjustment pin

4 ON / OFF ON / OFF pin

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 14 3. SOT-89-5 13 2 Top view Figure 11 Table 11 Types in Which Output Voltage is Internally Set Pin No. Symbol Description

1 ON / OFF ON / OFF pin

3 SSC*1 Inrush current limit pin

4 VIN Input voltage pin

5 VOUT Output voltage pin

*1. Connect a capacitor between t he SSC pin and the VSS pin. The inrush current limit time of the VOUT pin at power-on or at the time when the ON / OFF pin is set to ON can be adjusted according to the capacitance. Moreover, the SSC pin is available even when it is open. For details, refer to "  Selection of Capacitor for Inrush Current Limit (C SS) (Types in Which Output Voltage is Internally Set of HSOP-8A, HSOP-6, SOT-89-5)". Table 12 Types in Which Output Voltage is Externally Set Pin No. Symbol Description

1 VADJ Output voltage adjustment pin

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 15 4. HSNT-6A Top view Bottom view *1. Connect the heatsink of backside at shadowed area to the board, and set electric potential open or GND. However, do not use it as the function of electrode. Figure 12 Table 13 Types in Which Output Voltage is Internally Set Pin No. Symbol Description

1 VOUT*2 Output voltage pin

2 VOUT*2 Output voltage pin

5 VIN*3 Input voltage pin

6 VIN*3 Input voltage pin

*1. Types in which output voltage is externally set are unavailable. *2. Although pins of number 1 and 2 are connected internally, be sure to short-circuit them nearest in use. *3. Although pins of number 5 and 6 are connected internally, be sure to short-circuit them nearest in use.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 16  Absolute Maximum Ratings Table 14 (Ta = +25°C unless otherwise specified) Item Symbol Absolute Maximum Rating Unit Input voltage VIN V SS − 0.3 to VSS + 6.0 V VON / OFF V SS − 0.3 to VSS + 6.0 V VSSC V SS − 0.3 to VIN + 0.3 V VVADJ V SS − 0.3 to VSS + 6.0 V Output voltage V OUT V SS − 0.3 to VIN + 0.3 V Output current I OUT 1000 mA Operation ambient temperature T opr −40 to +85 °C Storage temperature T stg −40 to +125 °C Caution The absolute maximum ra tings are rated values exceeding whic h the product could suffer physical damage. These values must therefore not be exceeded under any conditions.  Thermal Resistance Value Table 15 Item Symbol Condition Min. Typ. Max. Unit Junction-to-ambient thermal resistance*1 θja HSOP-8A Board 1 − 104 − ° C/W Board 2 − 74 − ° C/W Board 3 − 39 − ° C/W Board 4 − 37 − ° C/W Board 5 − 31 − ° C/W HSOP-6 Board 1 − 96 − ° C/W Board 2 − 74 − ° C/W Board 3 − 44 − ° C/W Board 4 − 41 − ° C/W SOT-89-5 Board 1 − 119 − ° C/W Board 2 − 84 − ° C/W Board 3 − 46 − ° C/W Board 4 − 35 − ° C/W HSNT-6A Board 1 − 157 − ° C/W *1. Test environment: compliance with JEDEC STANDARD JESD51-2A Remark Refer to " Thermal Characteristics" for details of power dissipation and test board.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 17  Electrical Characteristics 1. Types in which output voltage is internally set (S-13A1x10 to S-13A1x35) Table 16 (1 / 2) (Ta = +25°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Output voltage*1 VOUT(E) VIN = VOUT(S) + 1.0 V, IOUT = 100 mA 1.0 V ≤ VOUT(S) < 1.5 V VOUT(S) − 0.015 VOUT(S) VOUT(S) + 0.015 V1 1.5 V ≤ VOUT(S) ≤ 3.5 V VOUT(S) × 0.99 VOUT(S) VOUT(S) × 1.01 V1 Output current*2 IOUT V IN ≥ VOUT(S) + 1.0 V 1000*5 − − mA 3 Dropout voltage*3 Vdrop IOUT = 300 mA 1.1 V ≤ VOUT(S) < 1.2 V − 0.44 0.48 V 1 1.2 V ≤ VOUT(S) < 1.3 V − 0.34 0.38 V 1 1.3 V ≤ VOUT(S) < 1.4 V − 0.24 0.28 V 1 1.4 V ≤ VOUT(S) < 1.5 V − 0.14 0.18 V 1 1.5 V ≤ VOUT(S) < 2.6 V − 0.10 0.15 V 1 2.6 V ≤ VOUT(S) ≤ 3.5 V − 0.07 0.10 V 1 IOUT = 1000 mA Line regulation OUTIN OUT1 VV V Δ VOUT(S) + 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 100 mA − 0.05 0.2 %/V 1 Load regulation ΔVOUT2 V IN = VOUT(S) + 1.0 V, 1 mA ≤ IOUT ≤ 300 mA −20 −3 20 mV 1 Output voltage temperature coefficient*4 OUT OUT VTa V Δ VIN = VOUT(S) + 1.0 V, IOUT = 100 mA, °C 1 Current consumption during operation I SS1 V IN = VOUT(S) + 1.0 V, ON / OFF pin = ON, no load − 60 90 μA2 Current consumption during power-off I SS2 V IN = VOUT(S) + 1.0 V, ON / OFF pin = OFF, no load − 0.1 1.0 μA2 Input voltage V IN − 1.5 − 5.5 V − ON / OFF pin input voltage "H" V SH VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ determined by VOUT output level 1.0 − − V4 ON / OFF pin input voltage "L" V SL VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ determined by VOUT output level − − 0.3 V 4 ON / OFF pin input current "H" I SH VIN = 5.5 V, VON / OFF = 5.5 V B / D type (without pull-down resistor) −0.1 − 0.1 μA4 A / C type (with pull-down resistor) 1.0 2.5 5.0 μA4 ON / OFF pin input current "L" I SL V IN = 5.5 V, VON / OFF = 0 V −0.1 − 0.1 μA4 Ripple rejection RR VIN = VOUT(S) + 1.0 V, f = 1.0 kHz, ΔVrip = 0.5 Vrms, IOUT = 100 mA 1.0 V ≤ VOUT(S) < 1.2 V − 70 − dB 5 1.2 V ≤ VOUT(S) < 3.0 V − 65 − dB 5 3.0 V ≤ VOUT(S) ≤ 3.5 V − 60 − dB 5 Short-circuit current I short V IN = VOUT(S) + 1.0 V, ON / OFF pin = ON, VOUT = 0 V − 200 − mA 3 Thermal shutdown detection temperature TSD Junction temperature − 150 − °C − Thermal shutdown release temperature TSR Junction temperature − 120 − °C −

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 18 Table 16 (2 / 2) (Ta = +25°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Inrush current limit time t RUSH HSOP-8A, HSOP-6, SOT-89-5 V IN = VOUT(S) + 1.0 V, ON / OFF pin = ON, I OUT = 1000 mA, CSS = 1.0 nF − 0.7 − ms 6 VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, I OUT = 1000 mA, CSS = 0 nF − 0.4 − ms 6 HSNT-6A VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, I OUT = 1000 mA − 0.4 − ms 6 "L" output Nch ON resistance R LOW VIN = 5.5 V, VOUT = 0.1 V A / B type (with discharge shunt function) − 35 − Ω 3 Power-off pull-down resistance R PD − A / C type (with pull-down resistor) 1.1 2.2 5.5 M Ω 4 *1. VOUT(S): Set output voltage VOUT(E): Actual output voltage Output voltage when fixing I OUT (= 100 mA) and inputting VOUT(S) + 1.0 V *2. The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current. *3. Vdrop = VIN1 − (VOUT3 × 0.98) V OUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 300 mA, 1000 mA. VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage. *4. The change in temperature [mV/°C] is calculated using the following equation. ΔVOUT ΔTa []mV/°C *1 = VOUT(S) []V *2 × ΔVOUT ΔTa•VOUT []ppm/°C *3 ÷ 1000 *1. Change in temperature of the output voltage *2. Set output voltage *3. Output voltage temperature coefficient *5. The output current can be at least this value. Due to limitation of the pa ckage power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation when the output current is large. This specification is guaranteed by design.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 19 2. Types in which output voltage is externally set (S-13A1x00, HSOP-8A, HSOP-6, SOT-89-5 only) Table 17 (Ta = +25°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Output voltage of adjust pin*1 VVADJ V VADJ = VOUT, VIN = VOUT(S) + 1.0 V, IOUT = 100 mA 0.985 1.0 1.015 V 7 Output voltage range V ROUT − 1.05 − 5.00 V 13 Internal resistance value of adjust pin R VADJ − − 400 − k Ω − Output current*2 IOUT VIN ≥ VOUT(S) + 1.0 V 1000*5 − − mA 9 Dropout voltage*3 Vdrop VVADJ = VOUT, IOUT = 300 mA, VOUT(S) = 1.0 V 0.50 0.54 0.58 V 7 VVADJ = VOUT, IOUT = 1000 mA, VOUT(S) = 1.0 V − 0.90 − V 7 Line regulation OUTIN OUT1 VV V Δ VVADJ = VOUT, VOUT(S) + 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 100 mA − 0.05 0.2 %/V 7 Load regulation ΔVOUT2 VVADJ = VOUT, VIN = VOUT(S) + 1.0 V, 1 mA ≤ IOUT ≤ 300 mA −20 −3 20 mV 7 Output voltage temperature coefficient*4 OUT OUT VTa V Δ VIN = VOUT(S) + 1.0 V, IOUT = 100 mA, Current consumption during operation I SS1 VVADJ = VOUT, VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, no load − 60 90 μA 8 Current consumption during power-off I SS2 VVADJ = VOUT, VIN = VOUT(S) + 1.0 V, ON / OFF pin = OFF, no load − 0.1 1.0 μA 8 Input voltage V IN − 1.5 − 5.5 V − ON / OFF pin input voltage "H" V SH VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ determined by VOUT output level 1.0 − − V 10 ON / OFF pin input voltage "L" V SL VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ determined by VOUT output level − − 0.3 V 10 ON / OFF pin input current "H" I SH VIN = 5.5 V, VON / OFF = 5.5 V B / D type (without pull-down resistor) −0.1 − 0.1 μA 10 A / C type (with pull-down resistor) 1.0 2.5 5.0 μA 10 ON / OFF pin input current "L" I SL V IN = 5.5 V, VON / OFF = 0 V −0.1 − 0.1 μA 10 Ripple rejection RR VVADJ = VOUT, VIN = VOUT(S) + 1.0 V, f = 1.0 kHz, ΔVrip = 0.5 Vrms, IOUT = 100 mA, VOUT = 1.0 V − 70 − dB 11 Short-circuit current I short V IN = VOUT(S) + 1.0 V, ON / OFF pin = ON, VOUT = 0 V − 200 − mA 9 Thermal shutdown detection temperature TSD Junction temperature − 150 − °C − Thermal shutdown release temperature TSR Junction temperature − 120 − °C − Inrush current limit time t RUSH VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, IOUT = 1000 mA − 0.4 − ms 12 "L" output Nch ON resistance R LOW VIN = 5.5 V, VOUT = 0.1 V A / B type (with discharge shunt function) − 35 − Ω 9 Power-off pull-down resistor R PD − A / C type (with pull-down resistor) 1.1 2.2 5.5 M Ω 10

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 20 *1. VOUT(S): Set output voltage ( = 1.0 V) *2. The output current at which the output voltage becomes 95% of VVADJ after gradually increasing the output current. *3. Vdrop = VIN1 − (VOUT3 × 0.98) V OUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 300 mA, 1000 mA. VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage. *4. The change in temperature [mV/°C] is calculated using the following equation. ΔVOUT ΔTa []mV/°C *1 = VOUT(S) []V *2 × ΔVOUT ΔTa•VOUT []ppm/°C *3 ÷ 1000 *1. Change in temperature of the output voltage *2. Set output voltage *3. Output voltage temperature coefficient *5. The output current can be at least this value. Due to limitation of the pa ckage power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation when the output current is large. This specification is guaranteed by design.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 26  Condition of Application Input capacitor (CIN): 2.2 μF or more Output capacitor (CL): 2.2 μF or more Caution 1. Set input capacitor (C IN) and output capacitor (CL) as CIN = CL. 2. Generally a series regulator may cause oscilla tion, depending on the selection of external parts. Confirm that no oscillation occurs in the application for which the above capacitors are used.  Selection of Input and Output Capacitors (CIN, CL) The S-13A1 Series requires an output capacitor between the VO UT pin and the VSS pin for phase compensation. Operation is stabilized by a ceramic capac itor with an output capacitance of 2.2 μF or more over t he entire temperature range. When using an OS capacitor , a tantalum capacitor, or an aluminum electrolytic c apacitor, the capacitance must be 2.2 μF or more. The values of output over shoot and undershoot, which are transient res ponse characteristics, vary depending on the value of the output capacitor. The required capacitance for the input capacitor differs depending on the application. Set the capacitance for input capacitor (C IN) and output capacitor (CL) as follows.

CIN ≥ 2.2 μF
CL ≥ 2.2 μF
CIN = CL Caution The S-13A1 Series may osc illate if setting the capacitance as CIN ≥ 2.2 μF, CL ≥ 2.2 μF, CIN < CL. Define the values by sufficient evaluation including the temperature characteristics under the usage condition.  Selection of Capacitor for Inrush Current Limit (CSS) (Types in Which Output Voltage is Intern ally Set of HSOP-8A, HSOP-6, SOT-89-5) In the S-13A1 Series, the inrush current limit time (t RUSH) is adjustable by connecting a capac itor for inrush current limit (CSS) between the SSC pin and the VSS pin. The time that the output voltage rises to 99% is 0.7 ms typ. when CSS = 1.0 nF. The S-13A1 Series operates stably even with no CSS connection (in the state the SSC pin is leaved open). The recommended value for C SS is 0 nF *1 ≤ CSS ≤ 22 nF, however, define the values by sufficient evaluation including the temperature characteristics under the usage condition. *1. In case the S-13A1 Series is used without CSS connection (CSS = 0 nF), be sure to leave the SSC pin open and do not connect it to the VIN pin and the VSS pin.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 27  Explanation of Terms 1. Low dropout voltage regulator This voltage regulator has the low dropout voltage due to its built-in low on-resistance transistor. 2. Output voltage (V OUT) The accuracy of the out put voltage is ensured at ±1.0% or ±15 mV*1 under the specified condi tions of fixed input voltage*2, fixed output current, and fixed temperature. *1. When V OUT < 1.5 V: ±15 mV, when VOUT ≥ 1.5 V: ±1.0% *2. Differs depending on the product. Caution If the above conditions change, the output voltage value may vary and exceed the accuracy range of the output voltage. Refer to " Electrical Characteristics" and " Characteristics (Typical Data) " for details. 3. Line regulation  ΔVOUT1 ΔVIN•VOUT Indicates the dependency of the out put voltage on the input volt age. That is, the values show how much the output voltage changes due to a change in the input voltage with the output current remaining unchanged. 4. Load regulation ( ΔVOUT2) Indicates the dependency of the output voltage on the output curr ent. That is, the values show how much the output voltage changes due to a change in the output current with the input voltage remaining unchanged. 5. Dropout voltage (V drop) Indicates the differenc e between input voltage (V IN1) and the output voltage when; decreasing input voltage (V IN) gradually until the output voltage has dropped out to the va lue of 98% of output voltage (V OUT3) , w h i c h i s a t VIN = VOUT(S) + 1.0 V. Vdrop = VIN1 − (VOUT3 × 0.98)

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 28 6. Output voltage temperature coefficient  ΔVOUT ΔTa•VOUT The shaded area in Figure 28 is the range where V OUT varies in the operation te mperature range when the output voltage temperature coefficient is ±100 ppm/°C. VOUT(E) Example of S-13A1B30 typ. product −40 +25 +0.30 mV/°C VOUT [V] *1. V OUT(E) is the value of the output voltage measured at Ta = +25°C. +85 Ta [°C] −0.30 mV/°C Figure 28 A change in the temperature of the output voltage [mV/°C] is calculated using the following equation. ΔVOUT ΔTa []mV/°C *1 = VOUT(S) []V *2 × ΔVOUT ΔTa•VOUT []ppm/°C *3 ÷ 1000 *1. Change in temperat ure of output voltage *2. Set output voltage *3. Output voltage tem perature coefficient

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 30 3. ON / OFF pin This pin starts and stops the regulator. When the ON / OFF pin is set to OFF le vel, the entire internal circuit stops operating, and the bu ilt-in P-channel MOS FET output transistor between t he VIN pin and the VOUT pin is turned off, r educing current consumption significantly. Note that the current consumption increases when a voltage of 0.3 V to VIN − 0.3 V is applied to the ON / OFF pin. The ON / OFF pin is configured as shown in Figure 30 and Figure 31. 3. 1 S-13A1 Series A / C type The ON / OFF pin is internally pulled down to the VSS pin in the floating status, so the VOUT pin is set to the V SS level. 3. 2 S-13A1 Series B / D type The ON / OFF pin is not internally pulled down to the VSS pin, so do not use these types with the ON / OFF pin in the floating status. When not using the ON / OFF pin, connect the pin to the VIN pin. Table 18 Product Type ON / OFF Pin Internal Circuit VOUT Pin Voltage Current Consumption A / B / C / D "H": ON Operate Set value ISS1 A / B / C / D "L": OFF Stop V SS level I SS2 *1. Note that the IC's current consum ption increases as much as current fl ows into the pull-down resistor of 2.5 MΩ typ. when the ON / OFF pin is connected to the VIN pin and the S-13A1 Series A / C type is operating (refer to Figure 30). VSS VIN ON / OFF VSS VIN ON / OFF Figure 30 S-13A1 Series A / C type Figure 31 S-13A1 Series B / D type

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 31 4. Discharge shunt function (S-13A1 Series A / B type) The S-13A1 Series A / B type has a built-in discharge shunt circuit to discharge the out put capacitance. The output capacitance is discharged as follows so that the VOUT pin reaches the VSS level. (1) The ON / OFF pin is set to OFF level. (2) The output transistor is turned off. (3) The discharge shunt circuit is turned on. (4) The output capacitor discharges. Since the S-13A1 Series C / D type does not have a disc harge shunt circuit, the VOUT pin is set to the V SS level through several hundred kΩ internal divided resistors between the VOUT pin and the VSS pin. The S-13A1 Series A / B type allows the VOUT pin to reach the VSS level rapidly due to the discharge shunt circuit. Output transistor: OFF ON / OFF pin: OFF VIN ON / OFF VSS ON / OFF circuit Discharge shunt circuit : ON VOUT *1. Parasitic diode Current flow GND S-13A1 Series Output capacitor (CL) Figure 32 5. Pull-down resistor (S-13A1 Series A / C type) The ON / OFF pin is internally pulled down to the VSS pin in the floating status, so the VOUT pin is set to the V SS level. Note that the IC's current consumption increases as much as current flows into the pull-down resistor of 2.5 M Ω typ. when the ON / OFF pin is connected to the VIN pin and the S-13A1 Series A / C type is operating.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 32 6. Overcurrent protection circuit The S-13A1 Series includes an over current protection circuit having the characteristics shown in " 1. Output Voltage vs. Output Current (When load current increases) (Ta = +25°C)" in " Characteristics (Typical Data)", in order to protect the output transistor against an excessive output current and short ci rcuiting between the VOUT pin and the VSS pin. The current when the out put pin is short-circuited (I short) is internally set at approx. 200 mA typ., and the normal value is restored for the output voltage, if releasing a short circuit once. Caution This overcurrent protection circuit does not wo rk as for thermal protection. If this IC long keeps short circuiting inside, pay attention to the conditions of input voltage and load current so that, under the usage conditions including short circui t, the loss of the IC will not exceed power dissipation of the package. 7. Thermal shutdown circuit The S-13A1 Series has a thermal shutdown circuit to protect the device from dam age due to overheat. When the junction temperature rises to 150 °C typ., the thermal shutdown circuit operat es to stop regulati ng. When the junction temperature drops to 120°C typ., the thermal shutdown circuit is released to restart regulating. Due to self-heating of the S-13A1 Series, if the thermal shutdown circuit starts operating, it stops regulating so that the output voltage drops. When regulat ion stops, the S-13A1 does not itself generate heat so t hat the IC’s temperature drops. When the temperature drops, the t hermal shutdown circuit is released to restart regulating, thus the S-13A1 Series generates heat again. Repeating th is procedure makes waveform of the out put voltage pulse-like form. Stop or restart of regulation continues unless dec reasing either or both of the input voltage and the out put voltage in order to reduce the internal power consumption, or decreasing the ambient temperature. Table 19 Thermal Shutdown Circuit VOUT Pin Voltage Operation: 150°C typ.*1 VSS level Release: 120°C typ.*1 Set value *1. Junction temperature

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 34 9. Externally setting output volt age (HSOP-8A, HSOP-6, SOT-89-5 only) The S-13A1 Series provides the types in which output voltage can be set via t he external resistor. The output voltage can be set by connecting a resistor (R a) between the VOUT pin and the VADJ pin, and a resistor (R b) between the VADJ pin and the VSS pin. The output voltage is determined by the following formulas. V By substituting Ia = IVADJ + 1.0 / Rb to above formula (1), VOUT = 1.0 + Ra × (IVADJ + 1.0 / Rb) = 1.0 × (1.0 + Ra / Rb) + Ra × IVADJ ········· (2) In above formula (2), R a × IVADJ is a factor for the output voltage error. Whether the output voltage error is minute is judged depending on the following (3) formula. By substituting IVADJ = 1.0 / RVADJ to Ra × IVADJ If R VADJ is sufficiently larger than Ra, the error is judged as minute. VSS VOUT VIN VADJ VOUTRa Rb Ia IbRVADJ IVADJ 1.0 V Figure 34 The following expression is in order to determine output voltage VOUT = 3.0 V. If resistance Rb = 2 kΩ, substitute RVADJ = 400 kΩ typ. into (3), Caution The above connection diag rams and constants will not guara ntee successful operation. Perform thorough evaluation using the actual application to set the constants.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 35  Precautions

Wiring patterns for the VIN pin, the VOUT pin and G ND should be designed so that the impedance is low. When mounting an output capac itor between the VOUT pin and the VSS pin (C L), a capacitor for stabilizing the input between the VIN pin and the VSS pin (CIN), and a capacitor for limiting the inrush current between the SSC pin and the VSS pin (CSS), the distance from the capacitors to these pins should be as short as possible.
Note that generally the output voltage may increase when a series regulator is used at low load current (1.0 mA or less).
Note that generally the out put voltage may increase due to the leakage curr ent from an output dr iver when a series regulator is used at high temperature.
Note that the output voltage may increase due to the leakage current from an output driver even if the ON / OFF pin is at OFF level when a series regulator is used at high temperature.
Generally a series regulator may cause oscillation, depending on the selecti on of external parts. The following conditions are recommended for the S-13A1 Series. Howeve r, be sure to perform sufficient evaluation under the actual usage conditions for selecti on, including evaluation of temperat ure characteristics. Refer to " 6. Example of equivalent series resistance vs. Output current characteristics (Ta = +25°C)" in "  Reference Data " for the equivalent series resistance (RESR) of the output capacitor. Input capacitor (C IN): 2.2 μF or more Output capacitor (C L): 2.2 μF or more
The voltage regulator may oscillate w hen the impedance of the power supply is high and the input capacitance is small or an input capacitor is not connected.
If the output capacitance is sm all, power supply's fluctuation and the characteristics of l oad fluctuation become worse. Sufficiently evaluate the output voltage's fluctuation with the actual device.
Overshoot may occur in the output volt age momentarily if the voltage is rapidly raised at power-on or when the power supply fluctuates. Sufficiently evaluate the output voltage at power-on with the actual device.
The application conditions for the input voltage, the output volt age, and the load current s hould not exceed the power dissipation.
Do not apply an electrostatic discharge to this IC that ex ceeds the performance ratings of the built-in electrostatic protection circuit.
In determining the output current, attention should be paid to the out put current value specified in Table 16 and Table 17 in " Electrical Characteristics" and footnote *5 of the table.
SII claims no responsibility for any dis putes arising out of or in connection with any infringement by products including this IC of patents owned by a third party.

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 36  Characteristics (Typical Data) 1. Output voltage vs. Output current (When load current increases) (Ta = +25°C) 1. 1 V OUT = 1.0 V 1. 2 V OUT = 2.5 V VOUT [V] IOUT [A] 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 VIN = 1.5 V 2.0 V 3.0 V VOUT [V] 3.0 2.5 2.0 1.5 1.0 0.5 VIN = 3.0 V 3.5 V 4.5 V IOUT [A] 1. 3 V OUT = 3.5 V VOUT [V] 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 VIN = 4.0 V 4.5 V 5.5 V IOUT [A] Remark In determining the output current, attention should be paid to the following. 1. The minimum output current value and footnote *5 of Table 16 and Table 17 in " Electrical Characteristics" 2. The power dissipation 2. Output voltage vs. Input voltage (Ta = +25°C) 2. 1 V OUT = 1.0 V 2. 2 V OUT = 2.5 V 0.6 VOUT [V] 0.6 VIN [V] 1.2 1.1 1.0 0.9 0.8 0.7 IOUT = 1 mA IOUT = 50 mA IOUT = 30 mA IOUT = 100 mA 2.0 VOUT [V] 2.0 VIN [V] 2.7 2.6 2.5 2.4 2.3 2.2 2.1 IOUT = 1 mA IOUT = 50 mA IOUT = 30 mA IOUT = 100 mA 2. 3 V OUT = 3.5 V 3.0 VOUT [V] 3.0 VIN [V] 3.7 3.6 3.5 3.4 3.3 3.2 3.1 IOUT = 1 mA IOUT = 50 mA IOUT = 30 mA IOUT = 100 mA

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 37 3. Dropout voltage vs. Output current 3. 1 V OUT = 1.0 V 3. 2 V OUT = 2.5 V Vdrop [V] IOUT [mA] 0.7 1200 0.6 0.5 0.4 0.3 0.2 0.1 400 800600200 1000 Ta = +25°C Ta = +85°C Ta = −40°C Vdrop [V] IOUT [mA] 0.35 1200 0.30 0.25 0.20 0.15 0.10 0.05 400 800600200 1000 Ta = +25°C Ta = +85°C Ta = −40°C 3. 3 V OUT = 3.5 V Vdrop [V] IOUT [mA] 1200400 800600200 1000 0.30 0.25 0.20 0.15 0.10 0.05 Ta = +25°C Ta = +85°C Ta = −40°C 4. Dropout voltage vs. Set output voltage 1.0 Vdrop [V] VOUT(S) [V] 0.6 0.5 0.4 0.3 0.2 0.1 IOUT = 1000 mA IOUT = 300 mA IOUT = 500 mA IOUT = 10 mA

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 38 5. Output voltage vs. Ambient temperature 5. 1 V OUT = 1.0 V 5. 2 V OUT = 2.5 V −4 0 0 2 55 07 5 VOUT [V] 1.10 1.00 0.95 0.90 Ta [°C] 1.05 −25 85 −4 0 0 2 55 07 5 VOUT [V] 2.7 2.5 2.4 2.3 Ta [°C] 2.6 −25 85 5. 3 V OUT = 3.5 V −4 0 0 2 55 07 5 VOUT [V] 3.8 3.2 Ta [°C] −25 85 3.7 3.6 3.5 3.4 3.3 6. Current consumption vs. Input voltage 6. 1 V OUT = 1.0 V 6. 2 V OUT = 2.5 V 024 ISS1 [μA] VIN [V] +25°C −40°C Ta = +85°C 024 ISS1 [μA] VIN [V] +25°C −40°C Ta = +85°C 6. 3 V OUT = 3.5 V 024 ISS1 [μA] VIN [V] +25°C −40°C Ta = +85°C

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 39 7. Ripple rejection (Ta = +25°C) 7. 1 V OUT = 1.0 V 7. 2 V OUT = 2.5 V VIN = 2.0 V, CL = 2.2 μF 10 100 1k 10k 100k Ripple Rejection [dB] 0 Frequency [Hz] 100 IOUT = 1 mA IOUT = 100 mA IOUT = 30 mA VIN = 3.5 V, CL = 2.2 μF 10 100 1k 10k 100k Ripple Rejection [dB] 0 Frequency [Hz] 100 IOUT = 1 mA IOUT = 100 mA IOUT = 30 mA 7. 3 V OUT = 3.5 V VIN = 4.5 V, CL = 2.2 μF 10 100 1k 10k 100k Ripple Rejection [dB] 0 Frequency [Hz] 100 IOUT = 1 mA IOUT = 100 mA IOUT = 30 mA

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 40  Reference Data 1. Transient response characteristics when input (Ta = +25°C) 1. 1 V OUT = 1.0 V 1. 2 V OUT = 2.5 V IOUT = 100 mA, CIN = CL = 2.2 μF, VIN = 2.0 V ↔ 3.0 V, tr = tf = 5.0 μs VOUT [V] 1.30 1.25 1.20 1.15 1.10 1.05 1.00 0.95 0.90 t [μs] VIN [V] 3.5 2.5 2.0 1.5 −0.5 0.5 1.0 3.0 8000 200 400 600 1000 1200−200 VOUT VIN IOUT = 100 mA, CIN = CL = 2.2 μF, VIN = 3.5 V ↔ 4.5 V, tr = tf = 5.0 μs VOUT [V] 2.80 2.75 2.70 2.65 2.60 2.55 2.50 2.45 2.40 t [μs] VIN [V] 5.25 3.75 3.00 2.25 −0.75 0.75 1.50 4.50 8000 200 400 600 1000 1200−200 VOUT VIN 1. 3 V OUT = 3.5 V IOUT = 100 mA, CIN = CL = 2.2 μF, VIN = 4.5 V ↔ 5.5 V, tr = tf = 5.0 μs VOUT [V] 3.80 3.75 3.70 3.65 3.60 3.55 3.50 3.45 t [μs] VIN [V] 8000 200 400 600 1000 1200−200 6.00 4.50 3.75 3.00 0.75 1.50 2.25 5.25 VOUT VIN

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 41 2. Transient response characteristics of load (Ta = +25°C) 2. 1 V OUT = 1.0 V VIN = 2.0 V, CIN = CL = 2.2 μF, IOUT = 50 mA ↔ 100 mA VOUT [V] t [μs] IOUT [mA] 120010008006004002000−200 1.20 1.15 1.10 1.05 1.00 0.95 0.90 150 100 −50 −100 −150 IOUT VOUT VIN = 2.0 V, CIN = CL = 2.2 μF, IOUT = 100 mA ↔ 500 mA VOUT [V] t [μs] IOUT [mA] 120010008006004002000−200 1.4 1.3 1.2 1.1 1.0 0.9 0.8 600 400 200 −200 −400 −600 IOUT VOUT 2. 2 V OUT = 2.5 V VIN = 3.5 V, CIN = CL = 2.2 μF, IOUT = 50 mA ↔ 100 mA VOUT [V] 2.58 2.56 2.54 2.52 2.50 2.48 2.46 t [μs] IOUT [mA] 150 100 −50 −100 −150 120010008006004002000−200 IOUT VOUT VIN = 3.5 V, CIN = CL = 2.2 μF, IOUT = 100 mA ↔ 500 mA VOUT [V] t [μs] IOUT [mA] 120010008006004002000−200 2.9 2.8 2.7 2.6 2.5 2.4 2.3 600 400 200 −200 −400 −600 IOUT VOUT 2. 3 V OUT = 3.5 V VIN = 4.5 V, CIN = CL = 2.2 μF, IOUT = 50 mA ↔ 100 mA VOUT [V] t [μs] IOUT [mA] 120010008006004002000−200 3.57 3.55 3.53 3.51 3.49 3.47 3.45 150 100 −50 −100 −150 IOUT VOUT VIN = 4.5 V, CIN = CL = 2.2 μF, IOUT = 100 mA ↔ 500 mA VOUT [V] t [μs] IOUT [mA] 120010008006004002000−200 3.9 3.8 3.7 3.6 3.5 3.4 3.3 600 400 200 −200 −400 −600 IOUT VOUT

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 42 3. Transient response characteristics of ON / OFF pin (Ta = +25°C) 3. 1 V OUT = 1.0 V 3. 2 V OUT = 2.5 V VIN = 2.0 V, CIN = CL = 2.2 μF, IOUT = 100 mA, VON / OFF = 0 V → 2.0 V, tr = 1.0 μs −500 2000 VOUT [V] t [μs] VON / OFF [V] 150010005000 VON / OFF VOUT VIN = 3.5 V, CIN = CL = 2.2 μF, IOUT = 100 mA, VON / OFF = 0 V → 3.5 V, tr = 1.0 μs −500 2000 VOUT [V] t [μs] VON / OFF [V] 150010005000 VON / OFF VOUT 3. 3 V OUT = 3.5 V VIN = 4.5 V, CIN = CL = 2.2 μF, IOUT = 100 mA, VON / OFF = 0 V → 4.5 V, tr = 1.0 μs −500 2000 VOUT [V] t [μs] VON / OFF [V] 150010005000 VON / OFF VOUT

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 43 4. Characteristics of inrush current (Ta = +25°C) 4. 1 V OUT = 1.0 V VIN = 2.0 V, CIN = CL = 2.2 μF, CSS = 0 nF, IOUT = 100 mA, VON / OFF = 0 V → 2.0 V, tr = 1.0 μs −50 200 t [μs] 1.4 1.2 1.0 0.8 0.6 −0.2 0.2 0.4 150100500 IOUT [A] VON / OFF / VOUT [V] VON / OFF VOUT IOUT VIN = 2.0 V, CIN = CL = 2.2 μF, CSS = 0 nF, IOUT = 1000 mA, VON / OFF = 0 V → 2.0 V, tr = 1.0 μs −500 2000 t [μs] 2.8 2.4 2.0 1.6 1.2 −0.4 0.4 0.8 150010005000 IOUT [A] VOUT IOUT VON / OFF / VOUT [V] VON / OFF 4. 2 V OUT = 2.5 V VIN = 3.5 V, CIN = CL = 2.2 μF, CSS = 0 nF, IOUT = 100 mA, VON / OFF = 0 V → 3.5 V, tr = 1.0 μs −50 200 t [μs] 1.4 1.2 1.0 0.8 0.6 −0.2 0.2 0.4 150100500 IOUT [A] VON / OFF VOUT IOUT VON / OFF / VOUT [V] VIN = 3.5 V, CIN = CL = 2.2 μF, CSS = 0 nF, IOUT = 1000 mA, VON / OFF = 0 V → 3.5 V, tr = 1.0 μs −500 2000 t [μs] 2.8 2.4 2.0 1.6 1.2 −0.4 0.4 0.8 150010005000 IOUT [A] VON / OFF VOUT IOUT VON / OFF / VOUT [V] 4. 3 V OUT = 3.5 V VIN = 4.5 V, CIN = CL = 2.2 μF, CSS = 0 nF, IOUT = 100 mA, VON / OFF = 0 V → 4.5 V, tr = 1.0 μs −50 200 t [μs] 1.4 1.2 1.0 0.8 0.6 −0.2 0.2 0.4 150100500 IOUT [A] VON / OFF / VOUT [V] VON / OFF VOUT IOUT VIN = 4.5 V, CIN = CL = 2.2 μF, CSS = 0 nF, IOUT = 1000 mA, VON / OFF = 0 V → 4.5 V, tr = 1.0 μs −500 2000 t [μs] 2.8 2.4 2.0 1.6 1.2 −0.4 0.4 0.8 150010005000 IOUT [A] VON / OFF VOUT IOUT VON / OFF / VOUT [V]

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 45  Marking Specifications 1. HSOP-8A (1) (2) (3) (4) (7) (8) (9) (10) (13) (14) (5) (6) (11) (12) (15) (16) Top view 86 75 13 24 (1) to (5): Product name: S13A1 (Fixed) (6): Product type (7) and (8): Value of output voltage (9) to (16): Lot number

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 46 2. HSOP-6 (1) (2) (3) (4) (7) (8) (9) (10) (13) (14) (5) (6) (11) (12) (15) (16) Top view 654 123 (1) to (5): Product name: S13A1 (Fixed) (6): Product type (7) and (8): Value of output voltage (9) to (16): Lot number

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 47 3. SOT-89-5 (1) (2) (3) (4) (5) (6) 123 Top view (1) to (3): Product code (Refer to Product name vs. Product code) (4) to (6): Lot number Product name vs. Product code 3. 1 S-13A1 Series A type 3. 2 S-13A1 Series B type Product Name Product Code Product Name Product Code S-13A1A00-U5T1U3 W R A S-13A1B00-U5T1U3 W S A S-13A1A10-U5T1U3 W R B S-13A1B10-U5T1U3 W S B S-13A1A11-U5T1U3 W R C S-13A1B11-U5T1U3 W S C S-13A1A12-U5T1U3 W R D S-13A1B12-U5T1U3 W S D S-13A1A1C-U5T1U3 W R 5 S-13A1B1C-U5T1U3 W S 5 S-13A1A13-U5T1U3 W R E S-13A1B13-U5T1U3 W S E S-13A1A14-U5T1U3 W R F S-13A1B14-U5T1U3 W S F S-13A1A15-U5T1U3 W R G S-13A1B15-U5T1U3 W S G S-13A1A16-U5T1U3 W R H S-13A1B16-U5T1U3 W S H S-13A1A17-U5T1U3 W R I S-13A1B17-U5T1U3 W S I S-13A1A18-U5T1U3 W R J S-13A1B18-U5T1U3 W S J S-13A1A1J-U5T1U3 W R K S-13A1B1J-U5T1U3 W S K S-13A1A19-U5T1U3 W R L S-13A1B19-U5T1U3 W S L S-13A1A20-U5T1U3 W R M S-13A1B20-U5T1U3 W S M S-13A1A21-U5T1U3 W R N S-13A1B21-U5T1U3 W S N S-13A1A22-U5T1U3 W R O S-13A1B22-U5T1U3 W S O S-13A1A23-U5T1U3 W R P S-13A1B23-U5T1U3 W S P S-13A1A24-U5T1U3 W R Q S-13A1B24-U5T1U3 W S Q S-13A1A25-U5T1U3 W R R S-13A1B25-U5T1U3 W S R S-13A1A26-U5T1U3 W R S S-13A1B26-U5T1U3 W S S S-13A1A27-U5T1U3 W R T S-13A1B27-U5T1U3 W S T S-13A1A28-U5T1U3 W R U S-13A1B28-U5T1U3 W S U S-13A1A2J-U5T1U3 W R V S-13A1B2J-U5T1U3 W S V S-13A1A29-U5T1U3 W R W S-13A1B29-U5T1U3 W S W S-13A1A30-U5T1U3 W R X S-13A1B30-U5T1U3 W S X S-13A1A31-U5T1U3 W R Y S-13A1B31-U5T1U3 W S Y S-13A1A32-U5T1U3 W R Z S-13A1B32-U5T1U3 W S Z S-13A1A33-U5T1U3 W R 2 S-13A1B33-U5T1U3 W S 2 S-13A1A34-U5T1U3 W R 3 S-13A1B34-U5T1U3 W S 3 S-13A1A35-U5T1U3 W R 4 S-13A1B35-U5T1U3 W S 4

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 48 3. 3 S-13A1 Series C type 3. 4 S-13A1 Series D type Product Name Product Code Product Name Product Code S-13A1C00-U5T1U3 W T A S-13A1D00-U5T1U3 W U A S-13A1C10-U5T1U3 W T B S-13A1D10-U5T1U3 W U B S-13A1C11-U5T1U3 W T C S-13A1D11-U5T1U3 W U C S-13A1C12-U5T1U3 W T D S-13A1D12-U5T1U3 W U D S-13A1C1C-U5T1U3 W T 5 S-13A1D1C-U5T1U3 W U 5 S-13A1C13-U5T1U3 W T E S-13A1D13-U5T1U3 W U E S-13A1C14-U5T1U3 W T F S-13A1D14-U5T1U3 W U F S-13A1C15-U5T1U3 W T G S-13A1D15-U5T1U3 W U G S-13A1C16-U5T1U3 W T H S-13A1D16-U5T1U3 W U H S-13A1C17-U5T1U3 W T I S-13A1D17-U5T1U3 W U I S-13A1C18-U5T1U3 W T J S-13A1D18-U5T1U3 W U J S-13A1C1J-U5T1U3 W T K S-13A1D1J-U5T1U3 W U K S-13A1C19-U5T1U3 W T L S-13A1D19-U5T1U3 W U L S-13A1C20-U5T1U3 W T M S-13A1D20-U5T1U3 W U M S-13A1C21-U5T1U3 W T N S-13A1D21-U5T1U3 W U N S-13A1C22-U5T1U3 W T O S-13A1D22-U5T1U3 W U O S-13A1C23-U5T1U3 W T P S-13A1D23-U5T1U3 W U P S-13A1C24-U5T1U3 W T Q S-13A1D24-U5T1U3 W U Q S-13A1C25-U5T1U3 W T R S-13A1D25-U5T1U3 W U R S-13A1C26-U5T1U3 W T S S-13A1D26-U5T1U3 W U S S-13A1C27-U5T1U3 W T T S-13A1D27-U5T1U3 W U T S-13A1C28-U5T1U3 W T U S-13A1D28-U5T1U3 W U U S-13A1C2J-U5T1U3 W T V S-13A1D2J-U5T1U3 W U V S-13A1C29-U5T1U3 W T W S-13A1D29-U5T1U3 W U W S-13A1C30-U5T1U3 W T X S-13A1D30-U5T1U3 W U X S-13A1C31-U5T1U3 W T Y S-13A1D31-U5T1U3 W U Y S-13A1C32-U5T1U3 W T Z S-13A1D32-U5T1U3 W U Z S-13A1C33-U5T1U3 W T 2 S-13A1D33-U5T1U3 W U 2 S-13A1C34-U5T1U3 W T 3 S-13A1D34-U5T1U3 W U 3 S-13A1C35-U5T1U3 W T 4 S-13A1D35-U5T1U3 W U 4

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0_00 S-13A1 Series Seiko Instruments Inc. 49 4. HSNT-6A Top view 13 2 64 5 (1) (2) (3) (4) (5) (6) (7) (8) (9) (1) to (3): Product code (Refer to Product name vs. Product code ) (4): Blank (5) to (9): Lot number Product name vs. Product code 4. 1 S-13A1 Series A type 4. 2 S-13A1 Series B type Product Name Product Code Product Name Product Code S-13A1A10-A6T1U3 W R B S-13A1B10-A6T1U3 W S B S-13A1A11-A6T1U3 W R C S-13A1B11-A6T1U3 W S C S-13A1A12-A6T1U3 W R D S-13A1B12-A6T1U3 W S D S-13A1A1C-A6T1U3 W R 5 S-13A1B1C-A6T1U3 W S 5 S-13A1A13-A6T1U3 W R E S-13A1B13-A6T1U3 W S E S-13A1A14-A6T1U3 W R F S-13A1B14-A6T1U3 W S F S-13A1A15-A6T1U3 W R G S-13A1B15-A6T1U3 W S G S-13A1A16-A6T1U3 W R H S-13A1B16-A6T1U3 W S H S-13A1A17-A6T1U3 W R I S-13A1B17-A6T1U3 W S I S-13A1A18-A6T1U3 W R J S-13A1B18-A6T1U3 W S J S-13A1A1J-A6T1U3 W R K S-13A1B1J-A6T1U3 W S K S-13A1A19-A6T1U3 W R L S-13A1B19-A6T1U3 W S L S-13A1A20-A6T1U3 W R M S-13A1B20-A6T1U3 W S M S-13A1A21-A6T1U3 W R N S-13A1B21-A6T1U3 W S N S-13A1A22-A6T1U3 W R O S-13A1B22-A6T1U3 W S O S-13A1A23-A6T1U3 W R P S-13A1B23-A6T1U3 W S P S-13A1A24-A6T1U3 W R Q S-13A1B24-A6T1U3 W S Q S-13A1A25-A6T1U3 W R R S-13A1B25-A6T1U3 W S R S-13A1A26-A6T1U3 W R S S-13A1B26-A6T1U3 W S S S-13A1A27-A6T1U3 W R T S-13A1B27-A6T1U3 W S T S-13A1A28-A6T1U3 W R U S-13A1B28-A6T1U3 W S U S-13A1A2J-A6T1U3 W R V S-13A1B2J-A6T1U3 W S V S-13A1A29-A6T1U3 W R W S-13A1B29-A6T1U3 W S W S-13A1A30-A6T1U3 W R X S-13A1B30-A6T1U3 W S X S-13A1A31-A6T1U3 W R Y S-13A1B31-A6T1U3 W S Y S-13A1A32-A6T1U3 W R Z S-13A1B32-A6T1U3 W S Z S-13A1A33-A6T1U3 W R 2 S-13A1B33-A6T1U3 W S 2 S-13A1A34-A6T1U3 W R 3 S-13A1B34-A6T1U3 W S 3 S-13A1A35-A6T1U3 W R 4 S-13A1B35-A6T1U3 W S 4

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 50 4. 3 S-13A1 Series C type 4. 4 S-13A1 Series D type Product Name Product Code Product Name Product Code S-13A1C10-A6T1U3 W T B S-13A1D10-A6T1U3 W U B S-13A1C11-A6T1U3 W T C S-13A1D11-A6T1U3 W U C S-13A1C12-A6T1U3 W T D S-13A1D12-A6T1U3 W U D S-13A1C1C-A6T1U3 W T 5 S-13A1D1C-A6T1U3 W U 5 S-13A1C13-A6T1U3 W T E S-13A1D13-A6T1U3 W U E S-13A1C14-A6T1U3 W T F S-13A1D14-A6T1U3 W U F S-13A1C15-A6T1U3 W T G S-13A1D15-A6T1U3 W U G S-13A1C16-A6T1U3 W T H S-13A1D16-A6T1U3 W U H S-13A1C17-A6T1U3 W T I S-13A1D17-A6T1U3 W U I S-13A1C18-A6T1U3 W T J S-13A1D18-A6T1U3 W U J S-13A1C1J-A6T1U3 W T K S-13A1D1J-A6T1U3 W U K S-13A1C19-A6T1U3 W T L S-13A1D19-A6T1U3 W U L S-13A1C20-A6T1U3 W T M S-13A1D20-A6T1U3 W U M S-13A1C21-A6T1U3 W T N S-13A1D21-A6T1U3 W U N S-13A1C22-A6T1U3 W T O S-13A1D22-A6T1U3 W U O S-13A1C23-A6T1U3 W T P S-13A1D23-A6T1U3 W U P S-13A1C24-A6T1U3 W T Q S-13A1D24-A6T1U3 W U Q S-13A1C25-A6T1U3 W T R S-13A1D25-A6T1U3 W U R S-13A1C26-A6T1U3 W T S S-13A1D26-A6T1U3 W U S S-13A1C27-A6T1U3 W T T S-13A1D27-A6T1U3 W U T S-13A1C28-A6T1U3 W T U S-13A1D28-A6T1U3 W U U S-13A1C2J-A6T1U3 W T V S-13A1D2J-A6T1U3 W U V S-13A1C29-A6T1U3 W T W S-13A1D29-A6T1U3 W U W S-13A1C30-A6T1U3 W T X S-13A1D30-A6T1U3 W U X S-13A1C31-A6T1U3 W T Y S-13A1D31-A6T1U3 W U Y S-13A1C32-A6T1U3 W T Z S-13A1D32-A6T1U3 W U Z S-13A1C33-A6T1U3 W T 2 S-13A1D33-A6T1U3 W U 2 S-13A1C34-A6T1U3 W T 3 S-13A1D34-A6T1U3 W U 3 S-13A1C35-A6T1U3 W T 4 S-13A1D35-A6T1U3 W U 4

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 52 1. 3 Board 3 76.2 mm 114.3 mm Figure 42 Table 22 Item Specification Thermal resistance value (θja) 39°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer 1 Land pattern and wiring for testing: t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via Number: 4 Diameter: 0.3 mm 1. 4 Board 4 76.2 mm 45 mm 114.3 mm 50 mm Pattern for heat radiation Figure 43 Table 23 Item Specification Thermal resistance value (θja) 37°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer

1 Pattern for heat radiation:

45 mm × 50 mm × t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via − 1. 5 Board 5 76.2 mm 45 mm 114.3 mm 50 mm Figure 44 Table 24 Item Specification Thermal resistance value (θja) 31°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer 45 mm × 50 mm × t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via Number: 4 Diameter: 0.3 mm

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 54 2. 3 Board 3 76.2 mm 45 mm 114.3 mm 50 mm Figure 48 Table 27 Item Specification Thermal resistance value (θja) 44°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer 45 mm × 50 mm × t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via − 2. 4 Board 4 76.2 mm 45 mm 114.3 mm 50 mm Figure 49 Table 28 Item Specification Thermal resistance value (θja) 41°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer 45 mm × 50 mm × t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via Number: 4 Diameter: 0.3 mm

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-13A1 Series Rev.2.0_00 Seiko Instruments Inc. 56 3. 3 Board 3 76.2 mm 45 mm 114.3 mm 50 mm Figure 53 Table 31 Item Specification Thermal resistance value (θja) 46°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer 45 mm × 50 mm × t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via − 3. 4 Board 4 76.2 mm 45 mm 114.3 mm 50 mm Figure 54 Table 32 Item Specification Thermal resistance value (θja) 35°C/W Size 114.3 mm × 76.2 mm × t1.6 mm Material FR-4 Number of copper foil layer 4 Copper foil layer 45 mm × 50 mm × t0.070 mm 2 74.2 mm × 74.2 mm × t0.035 mm 3 74.2 mm × 74.2 mm × t0.035 mm 4 74.2 mm × 74.2 mm × t0.070 mm Thermal via Number: 4 Diameter: 0.3 mm

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The products described herein cannot be used as par t of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equi pment, vehicle equipment, in-vehicle equipment, aviation equipment, aerospace equipment, and nuclear-related equipment, without prior written permission of Seiko Instruments Inc.
The products described herein are not designed to be radiation-proof.
Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may oc cur. The user of these products should therefore give thorough consideration to safety design, in cluding redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.

Product Information

S13A1 specifications and overview.

Summary

HIGH RIPPLE-REJECTION LOW DROPOUT

Description

HIGH RIPPLE-REJECTION LOW DROPOUT

Source title S13A1 Datasheet(PDF) - Seiko Instruments Inc

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