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www.sii-ic.com LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR © SII Semiconductor Corporation, 2011-2014 Rev.2.3_01 The S-1312 Series, developed by using the CMOS technology, is a positive voltage regulator IC which has low current consumption, high ripple-rejection and low dropout voltage. Even with low current consumption of 20 μA typ., it has high ripple-rejection of 75 dB typ., and a ceramic capacitor of 0.22 μF or more can be used as the input and output capacitors. It also has high-accuracy output voltage of ±1.0%.  Features

  • Output voltage: 1.0 V to 3.5 V, selectable in 0.05 V step
  • Input voltage: 1.5 V to 5.5 V
  • Output voltage accuracy: ±1.0% (1.0 V to 1.45 V output product: ±15 mV)
  • Dropout voltage: 160 mV typ. (2.8 V output product, IOUT = 100 mA)
  • Current consumption: During operation: 20 μA typ., 30 μA max. During power-off: 0.1 μA typ., 1.0 μA max.
  • Output current: Possible to output 150 mA (VIN ≥ VOUT(S) + 1.0 V)*1
  • Input and output capacitors: A ceramic capacitor of 0.22 μF or more can be used.
  • Ripple rejection: 75 dB typ. (1.2 V output product, f = 1.0 kHz) 70 dB typ. (2.85 V output product, f = 1.0 kHz)
  • Built-in overcurrent protection circuit: Li mits overcurrent of output transistor.
  • Built-in thermal shutdown circuit: Prevents damage caused by heat.
  • 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. Attention should be paid to the power dissipation of the package when the output current is large.  Applications
  • Constant-voltage power supply for portable communication device, digital camera, and digital audio player
  • Constant-voltage power supply for battery-powered device
  • Constant-voltage power supply for home electric appliance  Packages
  • SOT-23-5
  • HSNT-4 (1010)
  • HSNT-4 (0808)

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01  Product Name Structure Users can select the product type, output voltage, and package type fo r the S-1312 Series. Refer to " 1. Product name" regarding the content s of product name, " 2. Function list of product types " regarding the product type, "3. Packages " regarding the package drawings, "4. Product name lists " regarding details of the product name. 1. Product name S-1312 x xx - xxxx U 3 Product type*3 A to D Package abbreviation and IC packing specifications*1 M5T1: SOT-23-5, Tape A4T2: HSNT-4 (1010), Tape A4T1: HSNT-4 (0808), Tape Output voltage*2 10 to 35 (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 types ". 2. Function list of product types Table 1 Product Type ON / OFF Logic Discharge Shunt Function Pull-down Resistor A Active "H" Available Available B Active "H" Available Unavailable C Active "H" Unavailable Available D Active "H" Unavailable Unavailable 3. Packages Table 2 Package Drawing Codes Package Name Dimension Tape Reel Land SOT-23-5 MP005-A-P-SD MP005-A-C-SD MP005-A-R-SD − HSNT-4 (1010) PL004-A-P-SD PL004-A- C-SD PL004-A-R-SD PL004-A-L-SD HSNT-4 (0808) PK004-A-P-SD PK004-A- C-SD PK004-A-R-SD PK004-A-L-SD

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 4. Product name lists 4. 1 S-1312 Series A type ON / OFF logic: Active "H" Discharge shunt function: Availabl e Pull-down resistor: Available Table 3 Output Voltage SOT-23-5 HSNT-4 (1010) HSNT-4 (0808)

1.0 V ± 15 mV S-1312A10-M5T1U3 S-1312A10-A4T2U3 S-1312A10-A4T1U3

1.1 V ± 15 mV S-1312A11-M5T1U3 S-1312A11-A4T2U3 S-1312A11-A4T1U3

1.2 V ± 15 mV S-1312A12-M5T1U3 S-1312A12-A4T2U3 S-1312A12-A4T1U3

1.25 V ± 15 mV S-1312A1C-M5T1U3 S-1312A1C-A4T2U3 S-1312A1C-A4T1U3

1.3 V ± 15 mV S-1312A13-M5T1U3 S-1312A13-A4T2U3 S-1312A13-A4T1U3

1.4 V ± 15 mV S-1312A14-M5T1U3 S-1312A14-A4T2U3 S-1312A14-A4T1U3

1.5 V ± 1.0% S-1312A15-M5T1U3 S-1312A15-A4T2U3 S-1312A15-A4T1U3 1.6 V ± 1.0% S-1312A16-M5T1U3 S-1312A16-A4T2U3 S-1312A16-A4T1U3 1.7 V ± 1.0% S-1312A17-M5T1U3 S-1312A17-A4T2U3 S-1312A17-A4T1U3 1.8 V ± 1.0% S-1312A18-M5T1U3 S-1312A18-A4T2U3 S-1312A18-A4T1U3 1.85 V ± 1.0% S-1312A1J-M5T1U3 S-1312A 1J-A4T2U3 S-1312A1J-A4T1U3 1.9 V ± 1.0% S-1312A19-M5T1U3 S-1312A19-A4T2U3 S-1312A19-A4T1U3 2.0 V ± 1.0% S-1312A20-M5T1U3 S-1312A20-A4T2U3 S-1312A20-A4T1U3 2.1 V ± 1.0% S-1312A21-M5T1U3 S-1312A21-A4T2U3 S-1312A21-A4T1U3 2.2 V ± 1.0% S-1312A22-M5T1U3 S-1312A22-A4T2U3 S-1312A22-A4T1U3 2.3 V ± 1.0% S-1312A23-M5T1U3 S-1312A23-A4T2U3 S-1312A23-A4T1U3 2.4 V ± 1.0% S-1312A24-M5T1U3 S-1312A24-A4T2U3 S-1312A24-A4T1U3 2.5 V ± 1.0% S-1312A25-M5T1U3 S-1312A25-A4T2U3 S-1312A25-A4T1U3 2.6 V ± 1.0% S-1312A26-M5T1U3 S-1312A26-A4T2U3 S-1312A26-A4T1U3 2.7 V ± 1.0% S-1312A27-M5T1U3 S-1312A27-A4T2U3 S-1312A27-A4T1U3 2.8 V ± 1.0% S-1312A28-M5T1U3 S-1312A28-A4T2U3 S-1312A28-A4T1U3 2.85 V ± 1.0% S-1312A2J-M5T1U3 S-1312A 2J-A4T2U3 S-1312A2J-A4T1U3 2.9 V ± 1.0% S-1312A29-M5T1U3 S-1312A29-A4T2U3 S-1312A29-A4T1U3 3.0 V ± 1.0% S-1312A30-M5T1U3 S-1312A30-A4T2U3 S-1312A30-A4T1U3 3.1 V ± 1.0% S-1312A31-M5T1U3 S-1312A31-A4T2U3 S-1312A31-A4T1U3 3.2 V ± 1.0% S-1312A32-M5T1U3 S-1312A32-A4T2U3 S-1312A32-A4T1U3 3.3 V ± 1.0% S-1312A33-M5T1U3 S-1312A33-A4T2U3 S-1312A33-A4T1U3 3.4 V ± 1.0% S-1312A34-M5T1U3 S-1312A34-A4T2U3 S-1312A34-A4T1U3 3.5 V ± 1.0% S-1312A35-M5T1U3 S-1312A35-A4T2U3 S-1312A35-A4T1U3 Remark Please contact our sales office for products with specifications other than the above.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 4. 2 S-1312 Series B type ON / OFF logic: Active "H" Discharge shunt function: Availabl e Pull-down resistor: Unavailable Table 4 Output Voltage SOT-23-5 HSNT-4 (1010) HSNT-4 (0808)

1.0 V ± 15 mV S-1312B10-M5T1U3 S-1312B10-A4T2U3 S-1312B10-A4T1U3

1.1 V ± 15 mV S-1312B11-M5T1U3 S-1312B11-A4T2U3 S-1312B11-A4T1U3

1.2 V ± 15 mV S-1312B12-M5T1U3 S-1312B12-A4T2U3 S-1312B12-A4T1U3

1.3 V ± 15 mV S-1312B13-M5T1U3 S-1312B13-A4T2U3 S-1312B13-A4T1U3

1.4 V ± 15 mV S-1312B14-M5T1U3 S-1312B14-A4T2U3 S-1312B14-A4T1U3

1.5 V ± 1.0% S-1312B15-M5T1U3 S-1312B15-A4T2U3 S-1312B15-A4T1U3 1.6 V ± 1.0% S-1312B16-M5T1U3 S-1312B16-A4T2U3 S-1312B16-A4T1U3 1.7 V ± 1.0% S-1312B17-M5T1U3 S-1312B17-A4T2U3 S-1312B17-A4T1U3 1.8 V ± 1.0% S-1312B18-M5T1U3 S-1312B18-A4T2U3 S-1312B18-A4T1U3 1.85 V ± 1.0% S-1312B1J-M5T1U3 S-1312B1J-A4T2U3 S-1312B1J-A4T1U3 1.9 V ± 1.0% S-1312B19-M5T1U3 S-1312B19-A4T2U3 S-1312B19-A4T1U3 2.0 V ± 1.0% S-1312B20-M5T1U3 S-1312B20-A4T2U3 S-1312B20-A4T1U3 2.1 V ± 1.0% S-1312B21-M5T1U3 S-1312B21-A4T2U3 S-1312B21-A4T1U3 2.2 V ± 1.0% S-1312B22-M5T1U3 S-1312B22-A4T2U3 S-1312B22-A4T1U3 2.3 V ± 1.0% S-1312B23-M5T1U3 S-1312B23-A4T2U3 S-1312B23-A4T1U3 2.4 V ± 1.0% S-1312B24-M5T1U3 S-1312B24-A4T2U3 S-1312B24-A4T1U3 2.5 V ± 1.0% S-1312B25-M5T1U3 S-1312B25-A4T2U3 S-1312B25-A4T1U3 2.6 V ± 1.0% S-1312B26-M5T1U3 S-1312B26-A4T2U3 S-1312B26-A4T1U3 2.7 V ± 1.0% S-1312B27-M5T1U3 S-1312B27-A4T2U3 S-1312B27-A4T1U3 2.8 V ± 1.0% S-1312B28-M5T1U3 S-1312B28-A4T2U3 S-1312B28-A4T1U3 2.85 V ± 1.0% S-1312B2J-M5T1U3 S-1312B2J-A4T2U3 S-1312B2J-A4T1U3 2.9 V ± 1.0% S-1312B29-M5T1U3 S-1312B29-A4T2U3 S-1312B29-A4T1U3 3.0 V ± 1.0% S-1312B30-M5T1U3 S-1312B30-A4T2U3 S-1312B30-A4T1U3 3.1 V ± 1.0% S-1312B31-M5T1U3 S-1312B31-A4T2U3 S-1312B31-A4T1U3 3.2 V ± 1.0% S-1312B32-M5T1U3 S-1312B32-A4T2U3 S-1312B32-A4T1U3 3.3 V ± 1.0% S-1312B33-M5T1U3 S-1312B33-A4T2U3 S-1312B33-A4T1U3 3.4 V ± 1.0% S-1312B34-M5T1U3 S-1312B34-A4T2U3 S-1312B34-A4T1U3 3.5 V ± 1.0% S-1312B35-M5T1U3 S-1312B35-A4T2U3 S-1312B35-A4T1U3 Remark Please contact our sales office for products with specifications other than the above.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 4. 3 S-1312 Series C type ON / OFF logic: Active "H" Discharge shunt function: Unavail able Pull-down resistor: Available Table 5 Output Voltage SOT-23-5 HSNT-4 (1010) HSNT-4 (0808)

1.0 V ± 15 mV S-1312C10-M5T1U3 S-1312C10-A4T2U3 S-1312C10-A4T1U3

1.1 V ± 15 mV S-1312C11-M5T1U3 S-1312C11-A4T2U3 S-1312C11-A4T1U3

1.2 V ± 15 mV S-1312C12-M5T1U3 S-1312C12-A4T2U3 S-1312C12-A4T1U3

1.3 V ± 15 mV S-1312C13-M5T1U3 S-1312C13-A4T2U3 S-1312C13-A4T1U3

1.4 V ± 15 mV S-1312C14-M5T1U3 S-1312C14-A4T2U3 S-1312C14-A4T1U3

1.5 V ± 1.0% S-1312C15-M5T1U3 S-1312C15-A4T2U3 S-1312C15-A4T1U3 1.6 V ± 1.0% S-1312C16-M5T1U3 S-1312C16-A4T2U3 S-1312C16-A4T1U3 1.7 V ± 1.0% S-1312C17-M5T1U3 S-1312C17-A4T2U3 S-1312C17-A4T1U3 1.8 V ± 1.0% S-1312C18-M5T1U3 S-1312C18-A4T2U3 S-1312C18-A4T1U3 1.85 V ± 1.0% S-1312C1J-M5T1U3 S-1312C1J-A4T2U3 S-1312C1J-A4T1U3 1.9 V ± 1.0% S-1312C19-M5T1U3 S-1312C19-A4T2U3 S-1312C19-A4T1U3 2.0 V ± 1.0% S-1312C20-M5T1U3 S-1312C20-A4T2U3 S-1312C20-A4T1U3 2.1 V ± 1.0% S-1312C21-M5T1U3 S-1312C21-A4T2U3 S-1312C21-A4T1U3 2.2 V ± 1.0% S-1312C22-M5T1U3 S-1312C22-A4T2U3 S-1312C22-A4T1U3 2.3 V ± 1.0% S-1312C23-M5T1U3 S-1312C23-A4T2U3 S-1312C23-A4T1U3 2.4 V ± 1.0% S-1312C24-M5T1U3 S-1312C24-A4T2U3 S-1312C24-A4T1U3 2.5 V ± 1.0% S-1312C25-M5T1U3 S-1312C25-A4T2U3 S-1312C25-A4T1U3 2.6 V ± 1.0% S-1312C26-M5T1U3 S-1312C26-A4T2U3 S-1312C26-A4T1U3 2.7 V ± 1.0% S-1312C27-M5T1U3 S-1312C27-A4T2U3 S-1312C27-A4T1U3 2.8 V ± 1.0% S-1312C28-M5T1U3 S-1312C28-A4T2U3 S-1312C28-A4T1U3 2.85 V ± 1.0% S-1312C2J-M5T1U3 S-1312C2J-A4T2U3 S-1312C2J-A4T1U3 2.9 V ± 1.0% S-1312C29-M5T1U3 S-1312C29-A4T2U3 S-1312C29-A4T1U3 3.0 V ± 1.0% S-1312C30-M5T1U3 S-1312C30-A4T2U3 S-1312C30-A4T1U3 3.1 V ± 1.0% S-1312C31-M5T1U3 S-1312C31-A4T2U3 S-1312C31-A4T1U3 3.2 V ± 1.0% S-1312C32-M5T1U3 S-1312C32-A4T2U3 S-1312C32-A4T1U3 3.3 V ± 1.0% S-1312C33-M5T1U3 S-1312C33-A4T2U3 S-1312C33-A4T1U3 3.4 V ± 1.0% S-1312C34-M5T1U3 S-1312C34-A4T2U3 S-1312C34-A4T1U3 3.5 V ± 1.0% S-1312C35-M5T1U3 S-1312C35-A4T2U3 S-1312C35-A4T1U3 Remark Please contact our sales office for products with specifications other than the above.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 4. 4 S-1312 Series D type ON / OFF logic: Active "H" Discharge shunt function: Unavailabl e Pull-down resistor: Unavailable Table 6 Output Voltage SOT-23-5 HSNT-4 (1010) HSNT-4 (0808)

1.0 V ± 15 mV S-1312D10-M5T1U3 S-1312D10-A4T2U3 S-1312D10-A4T1U3

1.1 V ± 15 mV S-1312D11-M5T1U3 S-1312D11-A4T2U3 S-1312D11-A4T1U3

1.2 V ± 15 mV S-1312D12-M5T1U3 S-1312D12-A4T2U3 S-1312D12-A4T1U3

1.3 V ± 15 mV S-1312D13-M5T1U3 S-1312D13-A4T2U3 S-1312D13-A4T1U3

1.4 V ± 15 mV S-1312D14-M5T1U3 S-1312D14-A4T2U3 S-1312D14-A4T1U3

1.5 V ± 1.0% S-1312D15-M5T1U3 S-1312D15-A4T2U3 S-1312D15-A4T1U3 1.6 V ± 1.0% S-1312D16-M5T1U3 S-1312D16-A4T2U3 S-1312D16-A4T1U3 1.7 V ± 1.0% S-1312D17-M5T1U3 S-1312D17-A4T2U3 S-1312D17-A4T1U3 1.8 V ± 1.0% S-1312D18-M5T1U3 S-1312D18-A4T2U3 S-1312D18-A4T1U3 1.85 V ± 1.0% S-1312D1J-M5T1U3 S-1312D1J-A4T2U3 S-1312D1J-A4T1U3 1.9 V ± 1.0% S-1312D19-M5T1U3 S-1312D19-A4T2U3 S-1312D19-A4T1U3 2.0 V ± 1.0% S-1312D20-M5T1U3 S-1312D20-A4T2U3 S-1312D20-A4T1U3 2.1 V ± 1.0% S-1312D21-M5T1U3 S-1312D21-A4T2U3 S-1312D21-A4T1U3 2.2 V ± 1.0% S-1312D22-M5T1U3 S-1312D22-A4T2U3 S-1312D22-A4T1U3 2.3 V ± 1.0% S-1312D23-M5T1U3 S-1312D23-A4T2U3 S-1312D23-A4T1U3 2.4 V ± 1.0% S-1312D24-M5T1U3 S-1312D24-A4T2U3 S-1312D24-A4T1U3 2.5 V ± 1.0% S-1312D25-M5T1U3 S-1312D25-A4T2U3 S-1312D25-A4T1U3 2.6 V ± 1.0% S-1312D26-M5T1U3 S-1312D26-A4T2U3 S-1312D26-A4T1U3 2.7 V ± 1.0% S-1312D27-M5T1U3 S-1312D27-A4T2U3 S-1312D27-A4T1U3 2.8 V ± 1.0% S-1312D28-M5T1U3 S-1312D28-A4T2U3 S-1312D28-A4T1U3 2.85 V ± 1.0% S-1312D2J-M5T1U3 S-1312D2J-A4T2U3 S-1312D2J-A4T1U3 2.9 V ± 1.0% S-1312D29-M5T1U3 S-1312D29-A4T2U3 S-1312D29-A4T1U3 3.0 V ± 1.0% S-1312D30-M5T1U3 S-1312D30-A4T2U3 S-1312D30-A4T1U3 3.1 V ± 1.0% S-1312D31-M5T1U3 S-1312D31-A4T2U3 S-1312D31-A4T1U3 3.2 V ± 1.0% S-1312D32-M5T1U3 S-1312D32-A4T2U3 S-1312D32-A4T1U3 3.3 V ± 1.0% S-1312D33-M5T1U3 S-1312D33-A4T2U3 S-1312D33-A4T1U3 3.4 V ± 1.0% S-1312D34-M5T1U3 S-1312D34-A4T2U3 S-1312D34-A4T1U3 3.5 V ± 1.0% S-1312D35-M5T1U3 S-1312D35-A4T2U3 S-1312D35-A4T1U3 Remark Please contact our sales office for products with specifications other than the above.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series  Pin Configurations 1. SOT-23-5 13 2 Top view Table 7 Pin No. Symbol Description

1 VIN Input voltage pin

2 VSS GND pin

3 ON / OFF ON / OFF pin

4 NC*1 No connection

5 VOUT Output voltage pin

*1. The NC pin is electrically open. The NC pin can be connected to the VIN pin or the VSS pin. Figure 5 2. HSNT-4 (1010) Top view Bottom view *1. Connect the heat sink 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. Table 8 Pin No. Symbol Description

1 VOUT Output voltage pin

4 VIN Input voltage pin

  1. HSNT-4 (0808) Top view Bottom view *1. Connect the heat sink 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. Table 9 Pin No. Symbol Description

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01  Absolute Maximum Ratings Table 10 (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 Output voltage V OUT V SS − 0.3 to VIN + 0.3 V Output current I OUT 180 mA Power dissipation SOT-23-5 PD 600*1 mW HSNT-4 (1010) 340*1 mW HSNT-4 (0808) 335*1 mW Operation ambient temperature T opr −40 to +85 °C Storage temperature T stg −40 to +125 °C *1. When mounted on board [Mounted board] (1) Board size: 114.3 mm × 76.2 mm × t1.6 mm (2) Name: JEDEC STANDARD51-7 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. 0 50 100 150 Power Dissipation (PD) [mW] Ambient Temperature (Ta) [°C] 400 200 600 1000 800 1200 SOT-23-5 HSNT-4 (0808) HSNT-4 (1010) Figure 8 Power Dissipation of Package (When Mounted on Board)

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series Power Dissipation of HSNT-4 (1010) and HSNT-4 (0808) (Reference) Power dissipation of package differs depending on the mounting conditions. Consider the power dissipation characteristics under the following conditions as reference. [Mounted board] (1) Board size: 40 mm × 40 mm × t0.8 mm (2) Board material: Gla ss epoxy resin (four layers) (3) Wiring ratio: 50% (4) Test conditions: When mount ed on board (wind speed: 0 m/s) (5) Land pattern: Refer to the recommended land pattern Drawing code: PL004-A-L-SD (HSNT-4 (1010)), PK004-A-L-SD (HSNT-4 (0808)) 0 50 100 150 Power Dissipation (PD) [mW] Ambient Temperature (Ta) [°C] 400 200 600 1000 800 1200 HSNT-4 (1010) HSNT-4 (0808) Figure 9 Power Dissipation of Package (When Mounted on Board) Table 11 Condition Power Dissipation (Reference) Thermal Resistance Value ( θj−a) HSNT-4 (1010) (When mounted on board) 870 mW 115 °C/W HSNT-4 (0808) (When mounted on board) 850 mW 117 °C/W

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01  Electrical Characteristics Table 12 (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 = 30 mA 1.0 V ≤ VOUT(S) < 1.5 V VOUT(S) − 0.015 VOUT(S) VOUT(S) + 0.015 V 1 1.5 V ≤ VOUT(S) ≤ 3.5 V VOUT(S) × 0.99 VOUT(S) VOUT(S) × 1.01 V 1 Output current*2 IOUT VIN ≥ VOUT(S) + 1.0 V 150*5 − − mA 3 Dropout voltage*3 Vdrop I OUT = 100 mA 1.1 V ≤ VOUT(S) < 1.2 V − 0.52 0.71 V 1 1.2 V ≤ VOUT(S) < 1.3 V − 0.31 0.63 V 1 1.3 V ≤ VOUT(S) < 1.4 V − 0.28 0.56 V 1 1.4 V ≤ VOUT(S) < 1.5 V − 0.26 0.50 V 1 1.5 V ≤ VOUT(S) < 1.7 V − 0.24 0.47 V 1 1.7 V ≤ VOUT(S) < 2.0 V − 0.22 0.43 V 1 2.0 V ≤ VOUT(S) < 2.5 V − 0.18 0.36 V 1 2.5 V ≤ VOUT(S) < 3.0 V − 0.16 0.32 V 1 3.0 V ≤ VOUT(S) < 3.3 V − 0.15 0.28 V 1 3.3 V ≤ VOUT(S) ≤ 3.5 V − 0.14 0.27 V 1 Line regulation ΔVIN • VOUT ΔVOUT1 1.0 V ≤ VOUT(S) < 1.1 V 1.6 V ≤ VIN ≤ 5.5V, IOUT = 30 mA − 0.02 0.1 %/V 1 1.1 V ≤ VOUT(S) ≤ 3.5 V VOUT(S) + 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 30 mA − 0.02 0.1 %/V 1 Load regulation ΔVOUT2 V IN = VOUT(S) + 1.0 V, 100 μA ≤ IOUT ≤ 100 mA − 20 40 mV 1 Output voltage temperature coefficient*4 ΔTa • VOUT ΔVOUT VIN = VOUT(S) + 1.0 V, IOUT = 30 mA, Current consumption during operation ISS1 VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, no load − 20 30 μA 2 Current consumption during power-off ISS2 VIN = VOUT(S) + 1.0 V, ON / OFF pin = OFF, no load − 0.1 1.0 μA 2 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 4 ON / OFF pin input voltage "L" V SL VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ determined by VOUT output level − − 0.25 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 registor) −0.1 − 0.1 μA 4 A / C type (with pull-down registor) 1.0 2.5 5.0 μA 4 ON / OFF pin input current "L" I SL V IN = 5.5 V, VON / OFF = 0 V −0.1 − 0.1 μA 4 Ripple rejection RR VIN = VOUT(S) + 1.0 V, f = 1.0 kHz, ΔVrip = 0.5 Vrms, IOUT = 30 mA 1.0 V ≤ VOUT(S) ≤ 1.2 V − 75 − dB 5 1.2 V < VOUT(S) ≤ 2.85 V − 70 − dB 5 2.85 V < VOUT(S) ≤ 3.5 V − 65 − dB 5 Short-circuit current I short V IN = VOUT(S) + 1.0 V, ON / OFF pin = ON, VOUT = 0 V − 50 − mA 3 Thermal shutdown detection temperature TSD Junction temperature − 150 − °C − Thermal shutdown release temperature TSR Junction temperature − 120 − °C − "L" output Nch ON resistance R LOW VOUT = 0.1 V, VIN = 5.5 V A / B type (with discharge shuntfunction) − 35 − Ω 3 Power-off pull-down resistance R PD − A / C type (with pull-down registor) 1.0 2.2 5.0 M Ω 4

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series *1. VOUT(S): Set output voltage VOUT(E): Actual output voltage Output voltage when fixing I OUT (= 30 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 = 100 mA. VIN1 is the input voltage at which t he output voltage bec omes 98% of V OUT3 after gradually decreasing the input voltage. *4. 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 temperature of output voltage *2. Set output voltage *3. Output voltage temperature coefficient *5. The output current can be at least this value. Due to restrictions on the package power dissipation, this value may not be sati sfied. Attention s hould be paid to the power dissipation of the package when the output current is large. This specification is guaranteed by design.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series  Standard Circuit CIN *1 CL Input Output GNDSingle GND VOUTVIN VSS ON / OFF *1. C IN is a capacitor for stabilizing the input. *2. A ceramic capacitor of 0.22 μF or more can be used as CL. Figure 15 Caution The above connection diagra m and constant will not guarantee su ccessful operation. Perform thorough evaluation using the actual application to set the constant.  Condition of Application Input capacitor (CIN): 0.22 μF or more Output capacitor (CL): 0.22 μF or more Caution Generally a series regulator may cause oscillation, 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-1312 Series requires an output capacitor between the VO UT pin and the VSS pin for phase compensation. Operation is stabilized by a ceramic capacitor with an output capacitance of 0.22 μF or more over the entire temperature range. When using an OS capacitor , a tantalum capacitor, or an aluminum electrolytic c apacitor, the capacitance must be 0.22 μF or more. The value of the output ov ershoot or undershoot transi ent response varies depending on the value of the output capacitor. The required capacitance of the input capacitor differs depending on the application. The recommended capacitance for an application is C IN ≥ 0.22 μF, CL ≥ 0.22 μF; however, when selecting the output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01  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 ch ange, 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), which is at V IN = VOUT(S) + 1.0 V. Vdrop = VIN1 − (VOUT3 × 0.98)

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 6. Output voltage temperature coefficient  ΔVOUT ΔTa•VOUT The shaded area in Figure 16 is the range where V OUT varies in the operation te mperature range when the output voltage temperature coefficient is ±130 ppm/°C. VOUT(E) Example of S-1312A10 typ. product −40 +25 +0.13 mV/°C VOUT [V] *1. V OUT(E) is the value of the output voltage measured at Ta = +25°C. +85 Ta [°C] −0.13 mV/°C Figure 16 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

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 3. ON / OFF pin This pin starts and stops the regulator. When the ON / OFF pin is set to OFF level, the entir e internal circuit stops operating, and the built-in P-channel MOS FET output transistor between the VIN pin and the VOUT pi n is turned off, reducing current consumption significantly. Note that the current c onsumption increases when a voltage of 0.25 V to V IN − 0.3 V is applied to the ON / OFF pin. The ON / OFF pin is configured as shown in Figure 18 and Figure 19. 3. 1 S-1312 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. For the ON / OFF pin current, refer to the A / C type of the ON / OFF pin input current "H" in "  Electrical Characteristics". 3. 2 S-1312 Series B / D type The ON / OFF pin is internally not pulled up or pulled down, so do not use this pin in the floating status. When not using the ON / OFF pin, connect the pin to the VIN pin. Table 13 Product Type ON / OFF Pin Internal Circuit VOUT Pin Voltage Current Consumption A / B / C / D "H": ON Operate Set value ISS1*1 A / B / C / D "L": OFF Stop V SS level ISS2 *1. Note that the IC's current consum ption increases as much as current flows into the pull-down resistor when the ON / OFF pin is connected to the VIN pin and the S-1312 Series A / C type is operating (refer to Figure 18). VSS VIN ON / OFF VSS VIN ON / OFF Figure 18 S-1312 Series A / C type Figure 19 S-1312 Series B / D type

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 4. Discharge shunt function (S-1312 Series A / B type) The S-1312 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-1312 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-1312 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-1312 Series Output capacitor (CL) Figure 20 5. Pull-down resistor (S-1312 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 VSS level. Note that the IC's current consumption increases as much as current flows into the pull-down resistor of 2.2 M Ω typ. when the ON / OFF pin is connected to the VIN pin and the S-1312 Series A / C type is operating.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 6. Overcurrent protection circuit The S-1312 Series includes an overcu rrent protection circuit having t he 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. 50 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-1312 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-1312 Series, if the thermal shutdown circuit starts operating, it stops regulating so that the output voltage drops. When r egulation stops, the S-1312 Series does not itself generate heat and the IC's temperature drops. When the tem perature drops, the thermal s hutdown circuit is released to restart regulating, thus the S-1312 Series generates heat again. Repeating this procedure makes t he waveform of the output voltage into a pulse-like form. Stop or restart of r egulation continues unless decreasing eit her or both of the input voltage and the output current in order to reduce the internal power consumption, or decreasing the ambient temperature. Table 14 Thermal Shutdown Circuit VOUT Pin Voltage Operate: 150°C typ.*1 VSS level Release: 120°C typ.*1 Set value *1. Junction temperature

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01  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) and a capacitor for stabilizing the input between the VIN pin and the VSS pin (C IN), 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-1312 Series. However, be sure to perform sufficient evaluation under the actual usage conditions for selection, including evaluation of temperature characteristics. Refer to " 5. 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): 0.22 μF or more Output capacitor (C L): 0.22 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 volt age is rapidly raised at pow er-on or when the power supply fluctuates. Sufficiently evaluate the output voltage at power-on with the actual device.
  • The application conditions for the i nput voltage, the out put voltage, and the load curr ent should not exceed the package 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 output curr ent value specified in Table 12 in "  Electrical Characteristics" and footnote *5 of the table.
  • SII Semiconductor Corporation claims no responsibility for any disputes arising out of or in connection with any infringement by products including this IC of patents owned by a third party.

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series  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 [mA] 1.2 500400300200100 1.0 0.8 0.6 0.4 0.2 VIN = 1.3 V VIN = 1.5 V VIN = 5.5 V VIN = 3.0 V VIN = 2.0 V VOUT [V] IOUT [mA] 3.0 500400300200100 2.5 2.0 1.5 1.0 0.5 VIN = 2.8 V VIN = 3.0 V VIN = 3.5 V VIN = 4.5 V VIN = 5.5 V 1. 3 V OUT = 3.5 V VOUT [V] IOUT [mA] 4.0 500400300200100 3.5 3.0 2.5 2.0 1.5 1.0 0.5 VIN = 3.8 V VIN = 4.0 V VIN = 4.5 V VIN = 5.5 V Remark In determining the output current, attention should be paid to the following. 1. The minimum output current value and footnote *5 in Table 12 in " Electrical Characteristics" 2. The package 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

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 3. Dropout voltage vs. Output current 3. 1 V OUT = 1.0 V 3. 2 V OUT = 2.5 V 0 50 100 Vdrop [V] IOUT [mA] 7525 0.8 125 150 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Ta = +25°C Ta = +85°C Ta = −40°C 0 50 100 Vdrop [V] IOUT [mA] 7525 0.40 125 150 0.35 0.30 0.25 0.20 0.15 0.10 0.05 Ta = +85°C Ta = +25°C Ta = −40°C 3. 3 V OUT = 3.5 V 0 50 100 Vdrop [V] IOUT [mA] 7525 0.30 125 150 0.25 0.20 0.15 0.10 0.05 Ta = +85°C Ta = +25°C Ta = −40°C 4. Dropout voltage vs. Set output voltage 1.0 2.0 2.5 Vdrop [V] 0.6 VOUT(S) [V] 1.5 3.0 3.5 0.5 0.4 0.3 0.2 0.1 IOUT = 30 mA IOUT = 150 mA IOUT = 100 mA IOUT = 50 mA IOUT = 10 mA IOUT = 1 mA

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 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] Ta = +85°C Ta = +25°C Ta = −40°C 024 ISS1 [μA] VIN [V] Ta = +85°C Ta = −40°C Ta = +25°C 6. 3 V OUT = 3.5 V 024 ISS1 [μA] VIN [V] Ta = +85°C Ta = +25°C Ta = −40°C

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 7. Ripple rejection (Ta = +25°C) 7. 1 V OUT = 1.0 V VIN = 2.0 V, CL = 0.22 μF 7. 2 V OUT = 2.5 V VIN = 3.5 V, CL = 0.22 μF 10 100 1k 10k 100k Ripple Rejection [dB] 0 Frequency [Hz] 100 IOUT = 150 mA IOUT = 1 mA IOUT = 100 mA IOUT = 30 mA 10 100 1k 10k 100k Ripple Rejection [dB] 0 Frequency [Hz] 100 IOUT = 150 mA IOUT = 1 mA IOUT = 100 mA IOUT = 30 mA 7. 3 V OUT = 3.5 V VIN = 4.5 V, CL = 0.22 μF 10 100 1k 10k 100k Ripple Rejection [dB] 0 Frequency [Hz] 100 IOUT = 150 mA IOUT = 1 mA IOUT = 100 mA IOUT = 30 mA

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series  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 = 30 mA, CL = 0.22 μF, VIN = 2.0 V ↔ 3.0 V, tr = tf = 5.0 μs VOUT [V] 1.12 1.10 1.08 1.06 1.04 1.02 1.00 0.98 0.96 t [μs] VIN [V] 4.0 3.0 2.5 2.0 0.5 1.0 1.5 3.5 −20 80 1200 20 40 60 100 140−40 VOUT VIN IOUT = 30 mA, CL = 0.22 μF, VIN = 3.5 V ↔ 4.5 V, tr = tf = 5.0 μs VOUT [V] 2.74 2.70 2.66 2.62 2.58 2.54 2.50 2.46 2.42 t [μs] VIN [V] 5.0 4.0 3.5 3.0 1.0 1.5 2.0 2.5 4.5 −20 80 1200 20 40 60 100 140−40 VOUT VIN 1. 3 V OUT = 3.5 V IOUT = 30 mA, CL = 0.22 μF, VIN = 4.5 V ↔ 5.5 V, tr = tf = 5.0 μs VOUT [V] 3.74 3.70 3.66 3.62 3.58 3.54 3.50 3.46 3.42 t [μs] VIN [V] 6.0 5.0 4.5 4.0 2.0 2.5 3.0 3.5 5.5 −20 80 1200 20 40 60 100 140−40 VOUT VIN 2. Transient response characteristics of load (Ta = +25°C) 2. 1 V OUT = 1.0 V 2. 2 V OUT = 2.5 V VIN = 2.0 V, CIN = CL = 0.22 μF, IOUT = 50 mA ↔ 100 mA VOUT [V] 1.20 0.90 t [μs] 150 −150 60−20 100 −50 −100 1.15 1.10 1.05 1.00 0.95 IOUT [mA] 50403020100−10 VOUT IOUT VIN = 3.5 V, CIN = CL = 0.22 μF, IOUT = 50 mA ↔ 100 mA VOUT [V] 2.70 2.40 t [μs] 150 −150 60−20 100 −50 −100 2.65 2.60 2.55 2.50 2.45 IOUT [mA] 50403020100−10 VOUT IOUT 2. 3 V OUT = 3.5 V VIN = 4.5 V, CIN = CL = 0.22 μF, IOUT = 50 mA ↔ 100 mA VOUT [V] 3.70 3.40 t [μs] 150 −150 60−20 100 −50 −100 3.65 3.60 3.55 3.50 3.45 IOUT [mA] 50403020100−10 VOUT IOUT

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 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 = 0.22 μF, IOUT = 100 mA, VON / OFF = 0 V → 2.0 V, tr = 1.0 μs −50 2.4 200 2.0 1.6 1.2 0.8 0.4 150100500 VOUT [V] t [μs] VON / OFF [V] VOUT VON / OFF VIN = 3.5 V, CIN = CL = 0.22 μF, IOUT = 100 mA, VON / OFF = 0 V → 3.5 V, tr = 1.0 μs −50 200 150100500 VOUT [V] t [μs] VON / OFF [V] VOUT VON / OFF 3. 3 V OUT = 3.5 V VIN = 4.5 V, CIN = CL = 0.22 μF, IOUT = 100 mA, VON / OFF = 0 V → 4.5 V, tr = 1.0 μs −50 200 150100500 VOUT [V] t [μs] VON / OFF [V] VOUT VON / OFF

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01  Marking Specifications 1. SOT-23-5 123 Top view (1) (2) (3) (4) (1) to (3): Product code (Refer to Product name vs. Product code ) (4): Lot number Product name vs. Product code 1. 1 S-1312 Series A type 1. 2 S-1312 Series B type Product Name Product Code Product Name Product Code S-1312A10-M5T1U3 1 D A S-1312B10-M5T1U3 1 E A S-1312A11-M5T1U3 1 D B S-1312B11-M5T1U3 1 E B S-1312A12-M5T1U3 1 D C S-1312B12-M5T1U3 1 E C S-1312A1C-M5T1U3 1 D 4 S-1312B13-M5T1U3 1 E D S-1312A13-M5T1U3 1 D D S-1312B14-M5T1U3 1 E E S-1312A14-M5T1U3 1 D E S-1312B15-M5T1U3 1 E F S-1312A15-M5T1U3 1 D F S-1312B16-M5T1U3 1 E G S-1312A16-M5T1U3 1 D G S-1312B17-M5T1U3 1 E H S-1312A17-M5T1U3 1 D H S-1312B18-M5T1U3 1 E J S-1312A18-M5T1U3 1 D J S-1312B1J-M5T1U3 1 E K S-1312A1J-M5T1U3 1 D K S-1312B19-M5T1U3 1 E L S-1312A19-M5T1U3 1 D L S-1312B20-M5T1U3 1 E M S-1312A20-M5T1U3 1 D M S-1312B21-M5T1U3 1 E N S-1312A21-M5T1U3 1 D N S-1312B22-M5T1U3 1 E O S-1312A22-M5T1U3 1 D O S-1312B23-M5T1U3 1 E P S-1312A23-M5T1U3 1 D P S-1312B24-M5T1U3 1 E Q S-1312A24-M5T1U3 1 D Q S-1312B25-M5T1U3 1 E R S-1312A25-M5T1U3 1 D R S-1312B26-M5T1U3 1 E S S-1312A26-M5T1U3 1 D S S-1312B27-M5T1U3 1 E T S-1312A27-M5T1U3 1 D T S-1312B28-M5T1U3 1 E U S-1312A28-M5T1U3 1 D U S-1312B2J-M5T1U3 1 E V S-1312A2J-M5T1U3 1 D V S-1312B29-M5T1U3 1 E W S-1312A29-M5T1U3 1 D W S-1312B30-M5T1U3 1 E X S-1312A30-M5T1U3 1 D X S-1312B31-M5T1U3 1 E Y S-1312A31-M5T1U3 1 D Y S-1312B32-M5T1U3 1 E Z S-1312A32-M5T1U3 1 D Z S-1312B33-M5T1U3 1 E 1 S-1312A33-M5T1U3 1 D 1 S-1312B34-M5T1U3 1 E 2 S-1312A34-M5T1U3 1 D 2 S-1312B35-M5T1U3 1 E 3 S-1312A35-M5T1U3 1 D 3

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 1. 3 S-1312 Series C type 1. 4 S-1312 Series D type Product Name Product Code Product Name Product Code S-1312C10-M5T1U3 1 F A S-1312D10-M5T1U3 1 G A S-1312C11-M5T1U3 1 F B S-1312D11-M5T1U3 1 G B S-1312C12-M5T1U3 1 F C S-1312D12-M5T1U3 1 G C S-1312C13-M5T1U3 1 F D S-1312D13-M5T1U3 1 G D S-1312C14-M5T1U3 1 F E S-1312D14-M5T1U3 1 G E S-1312C15-M5T1U3 1 F F S-1312D15-M5T1U3 1 G F S-1312C16-M5T1U3 1 F G S-1312D16-M5T1U3 1 G G S-1312C17-M5T1U3 1 F H S-1312D17-M5T1U3 1 G H S-1312C18-M5T1U3 1 F J S-1312D18-M5T1U3 1 G J S-1312C1J-M5T1U3 1 F K S-1312D1J-M5T1U3 1 G K S-1312C19-M5T1U3 1 F L S-1312D19-M5T1U3 1 G L S-1312C20-M5T1U3 1 F M S-1312D20-M5T1U3 1 G M S-1312C21-M5T1U3 1 F N S-1312D21-M5T1U3 1 G N S-1312C22-M5T1U3 1 F O S-1312D22-M5T1U3 1 G O S-1312C23-M5T1U3 1 F P S-1312D23-M5T1U3 1 G P S-1312C24-M5T1U3 1 F Q S-1312D24-M5T1U3 1 G Q S-1312C25-M5T1U3 1 F R S-1312D25-M5T1U3 1 G R S-1312C26-M5T1U3 1 F S S-1312D26-M5T1U3 1 G S S-1312C27-M5T1U3 1 F T S-1312D27-M5T1U3 1 G T S-1312C28-M5T1U3 1 F U S-1312D28-M5T1U3 1 G U S-1312C2J-M5T1U3 1 F V S-1312D2J-M5T1U3 1 G V S-1312C29-M5T1U3 1 F W S-1312D29-M5T1U3 1 G W S-1312C30-M5T1U3 1 F X S-1312D30-M5T1U3 1 G X S-1312C31-M5T1U3 1 F Y S-1312D31-M5T1U3 1 G Y S-1312C32-M5T1U3 1 F Z S-1312D32-M5T1U3 1 G Z S-1312C33-M5T1U3 1 F 1 S-1312D33-M5T1U3 1 G 1 S-1312C34-M5T1U3 1 F 2 S-1312D34-M5T1U3 1 G 2 S-1312C35-M5T1U3 1 F 3 S-1312D35-M5T1U3 1 G 3

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 2. HSNT-4 (1010) Top view (1) (2) (3) (4) (5) (1) to (3): Product code (Refer to Product name vs. Product code ) (4), (5): Lot number Product name vs. Product code 2. 1 S-1312 Series A type 2. 2 S-1312 Series B type Product Name Product Code Product Name Product Code S-1312A10-A4T2U3 1 D A S-1312B10-A4T2U3 1 E A S-1312A11-A4T2U3 1 D B S-1312B11-A4T2U3 1 E B S-1312A12-A4T2U3 1 D C S-1312B12-A4T2U3 1 E C S-1312A1C-A4T2U3 1 D 4 S-1312B13-A4T2U3 1 E D S-1312A13-A4T2U3 1 D D S-1312B14-A4T2U3 1 E E S-1312A14-A4T2U3 1 D E S-1312B15-A4T2U3 1 E F S-1312A15-A4T2U3 1 D F S-1312B16-A4T2U3 1 E G S-1312A16-A4T2U3 1 D G S-1312B17-A4T2U3 1 E H S-1312A17-A4T2U3 1 D H S-1312B18-A4T2U3 1 E J S-1312A18-A4T2U3 1 D J S-1312B1J-A4T2U3 1 E K S-1312A1J-A4T2U3 1 D K S-1312B19-A4T2U3 1 E L S-1312A19-A4T2U3 1 D L S-1312B20-A4T2U3 1 E M S-1312A20-A4T2U3 1 D M S-1312B21-A4T2U3 1 E N S-1312A21-A4T2U3 1 D N S-1312B22-A4T2U3 1 E O S-1312A22-A4T2U3 1 D O S-1312B23-A4T2U3 1 E P S-1312A23-A4T2U3 1 D P S-1312B24-A4T2U3 1 E Q S-1312A24-A4T2U3 1 D Q S-1312B25-A4T2U3 1 E R S-1312A25-A4T2U3 1 D R S-1312B26-A4T2U3 1 E S S-1312A26-A4T2U3 1 D S S-1312B27-A4T2U3 1 E T S-1312A27-A4T2U3 1 D T S-1312B28-A4T2U3 1 E U S-1312A28-A4T2U3 1 D U S-1312B2J-A4T2U3 1 E V S-1312A2J-A4T2U3 1 D V S-1312B29-A4T2U3 1 E W S-1312A29-A4T2U3 1 D W S-1312B30-A4T2U3 1 E X S-1312A30-A4T2U3 1 D X S-1312B31-A4T2U3 1 E Y S-1312A31-A4T2U3 1 D Y S-1312B32-A4T2U3 1 E Z S-1312A32-A4T2U3 1 D Z S-1312B33-A4T2U3 1 E 1 S-1312A33-A4T2U3 1 D 1 S-1312B34-A4T2U3 1 E 2 S-1312A34-A4T2U3 1 D 2 S-1312B35-A4T2U3 1 E 3 S-1312A35-A4T2U3 1 D 3

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 2. 3 S-1312 Series C type 2. 4 S-1312 Series D type Product Name Product Code Product Name Product Code S-1312C10-A4T2U3 1 F A S-1312D10-A4T2U3 1 G A S-1312C11-A4T2U3 1 F B S-1312D11-A4T2U3 1 G B S-1312C12-A4T2U3 1 F C S-1312D12-A4T2U3 1 G C S-1312C13-A4T2U3 1 F D S-1312D13-A4T2U3 1 G D S-1312C14-A4T2U3 1 F E S-1312D14-A4T2U3 1 G E S-1312C15-A4T2U3 1 F F S-1312D15-A4T2U3 1 G F S-1312C16-A4T2U3 1 F G S-1312D16-A4T2U3 1 G G S-1312C17-A4T2U3 1 F H S-1312D17-A4T2U3 1 G H S-1312C18-A4T2U3 1 F J S-1312D18-A4T2U3 1 G J S-1312C1J-A4T2U3 1 F K S-1312D1J-A4T2U3 1 G K S-1312C19-A4T2U3 1 F L S-1312D19-A4T2U3 1 G L S-1312C20-A4T2U3 1 F M S-1312D20-A4T2U3 1 G M S-1312C21-A4T2U3 1 F N S-1312D21-A4T2U3 1 G N S-1312C22-A4T2U3 1 F O S-1312D22-A4T2U3 1 G O S-1312C23-A4T2U3 1 F P S-1312D23-A4T2U3 1 G P S-1312C24-A4T2U3 1 F Q S-1312D24-A4T2U3 1 G Q S-1312C25-A4T2U3 1 F R S-1312D25-A4T2U3 1 G R S-1312C26-A4T2U3 1 F S S-1312D26-A4T2U3 1 G S S-1312C27-A4T2U3 1 F T S-1312D27-A4T2U3 1 G T S-1312C28-A4T2U3 1 F U S-1312D28-A4T2U3 1 G U S-1312C2J-A4T2U3 1 F V S-1312D2J-A4T2U3 1 G V S-1312C29-A4T2U3 1 F W S-1312D29-A4T2U3 1 G W S-1312C30-A4T2U3 1 F X S-1312D30-A4T2U3 1 G X S-1312C31-A4T2U3 1 F Y S-1312D31-A4T2U3 1 G Y S-1312C32-A4T2U3 1 F Z S-1312D32-A4T2U3 1 G Z S-1312C33-A4T2U3 1 F 1 S-1312D33-A4T2U3 1 G 1 S-1312C34-A4T2U3 1 F 2 S-1312D34-A4T2U3 1 G 2 S-1312C35-A4T2U3 1 F 3 S-1312D35-A4T2U3 1 G 3

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-1312 Series Rev.2.3_01 3. HSNT-4 (0808) Top view (1) (2) (3) (1) to (3): Product code (Refer to Product name vs. Product code ) Product name vs. Product code 3. 1 S-1312 Series A type 3. 2 S-1312 Series B type Product Name Product Code Product Name Product Code S-1312A10-A4T1U3 1 D A S-1312B10-A4T1U3 1 E A S-1312A11-A4T1U3 1 D B S-1312B11-A4T1U3 1 E B S-1312A12-A4T1U3 1 D C S-1312B12-A4T1U3 1 E C S-1312A1C-A4T1U3 1 D 4 S-1312B13-A4T1U3 1 E D S-1312A13-A4T1U3 1 D D S-1312B14-A4T1U3 1 E E S-1312A14-A4T1U3 1 D E S-1312B15-A4T1U3 1 E F S-1312A15-A4T1U3 1 D F S-1312B16-A4T1U3 1 E G S-1312A16-A4T1U3 1 D G S-1312B17-A4T1U3 1 E H S-1312A17-A4T1U3 1 D H S-1312B18-A4T1U3 1 E J S-1312A18-A4T1U3 1 D J S-1312B1J-A4T1U3 1 E K S-1312A1J-A4T1U3 1 D K S-1312B19-A4T1U3 1 E L S-1312A19-A4T1U3 1 D L S-1312B20-A4T1U3 1 E M S-1312A20-A4T1U3 1 D M S-1312B21-A4T1U3 1 E N S-1312A21-A4T1U3 1 D N S-1312B22-A4T1U3 1 E O S-1312A22-A4T1U3 1 D O S-1312B23-A4T1U3 1 E P S-1312A23-A4T1U3 1 D P S-1312B24-A4T1U3 1 E Q S-1312A24-A4T1U3 1 D Q S-1312B25-A4T1U3 1 E R S-1312A25-A4T1U3 1 D R S-1312B26-A4T1U3 1 E S S-1312A26-A4T1U3 1 D S S-1312B27-A4T1U3 1 E T S-1312A27-A4T1U3 1 D T S-1312B28-A4T1U3 1 E U S-1312A28-A4T1U3 1 D U S-1312B2J-A4T1U3 1 E V S-1312A2J-A4T1U3 1 D V S-1312B29-A4T1U3 1 E W S-1312A29-A4T1U3 1 D W S-1312B30-A4T1U3 1 E X S-1312A30-A4T1U3 1 D X S-1312B31-A4T1U3 1 E Y S-1312A31-A4T1U3 1 D Y S-1312B32-A4T1U3 1 E Z S-1312A32-A4T1U3 1 D Z S-1312B33-A4T1U3 1 E 1 S-1312A33-A4T1U3 1 D 1 S-1312B34-A4T1U3 1 E 2 S-1312A34-A4T1U3 1 D 2 S-1312B35-A4T1U3 1 E 3 S-1312A35-A4T1U3 1 D 3

LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.3_01 S-1312 Series 3. 3 S-1312 Series C type 3. 4 S-1312 Series D type Product Name Product Code Product Name Product Code S-1312C10-A4T1U3 1 F A S-1312D10-A4T1U3 1 G A S-1312C11-A4T1U3 1 F B S-1312D11-A4T1U3 1 G B S-1312C12-A4T1U3 1 F C S-1312D12-A4T1U3 1 G C S-1312C13-A4T1U3 1 F D S-1312D13-A4T1U3 1 G D S-1312C14-A4T1U3 1 F E S-1312D14-A4T1U3 1 G E S-1312C15-A4T1U3 1 F F S-1312D15-A4T1U3 1 G F S-1312C16-A4T1U3 1 F G S-1312D16-A4T1U3 1 G G S-1312C17-A4T1U3 1 F H S-1312D17-A4T1U3 1 G H S-1312C18-A4T1U3 1 F J S-1312D18-A4T1U3 1 G J S-1312C1J-A4T1U3 1 F K S-1312D1J-A4T1U3 1 G K S-1312C19-A4T1U3 1 F L S-1312D19-A4T1U3 1 G L S-1312C20-A4T1U3 1 F M S-1312D20-A4T1U3 1 G M S-1312C21-A4T1U3 1 F N S-1312D21-A4T1U3 1 G N S-1312C22-A4T1U3 1 F O S-1312D22-A4T1U3 1 G O S-1312C23-A4T1U3 1 F P S-1312D23-A4T1U3 1 G P S-1312C24-A4T1U3 1 F Q S-1312D24-A4T1U3 1 G Q S-1312C25-A4T1U3 1 F R S-1312D25-A4T1U3 1 G R S-1312C26-A4T1U3 1 F S S-1312D26-A4T1U3 1 G S S-1312C27-A4T1U3 1 F T S-1312D27-A4T1U3 1 G T S-1312C28-A4T1U3 1 F U S-1312D28-A4T1U3 1 G U S-1312C2J-A4T1U3 1 F V S-1312D2J-A4T1U3 1 G V S-1312C29-A4T1U3 1 F W S-1312D29-A4T1U3 1 G W S-1312C30-A4T1U3 1 F X S-1312D30-A4T1U3 1 G X S-1312C31-A4T1U3 1 F Y S-1312D31-A4T1U3 1 G Y S-1312C32-A4T1U3 1 F Z S-1312D32-A4T1U3 1 G Z S-1312C33-A4T1U3 1 F 1 S-1312D33-A4T1U3 1 G 1 S-1312C34-A4T1U3 1 F 2 S-1312D34-A4T1U3 1 G 2 S-1312C35-A4T1U3 1 F 3 S-1312D35-A4T1U3 1 G 3

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