S11L10

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www.sii-ic.com SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR © Seiko Instruments Inc., 2009-2015 Rev.2.2_00 Seiko Instruments Inc. 1 The S-11L10 Series, developed by using the CMOS technology, is a positive voltage regulator IC which has low output voltage, high-accuracy output voltage and low current consumption (150 mA output current). A 1.0 μF small ceramic capacitor can be used. It operates with low current consumption of 9 μA typ. The overcurrent protection circuit prevents the load current from exceeding the current capacity of the output transistor. The ON / OFF circuit ensures longer battery life. Various capacitors, also small ceramic capacitors, can be used for this IC more than for the conventional regulator ICs which have CMOS technology. Furthermore, small SOT-23-5 and SNT-6A(H) packages realize high-density mounting.  Features

• Output voltage: 0.8 V to 3.3 V, selectable in 0.05 V step
• Input voltage: 1.2 V to 3.65 V
• Output voltage accuracy: ±1.0% (0.8 V to 1.45 V output product : ±15 mV)
• Dropout voltage: 210 mV typ. (1.5 V output product, IOUT = 100 mA)
• Current consumption: During operation: 9 μA typ., 16 μA max. During power-off: 0.1 μA typ., 0.9 μA max.
• Output current: Possible to output 150 mA (VIN ≥ VOUT(S) + 1.0 V)*1
• Input and output capacitors: A ceramic capacitor of 1.0 μF or more can be used.
• Ripple rejection: 60 dB typ. (1.25 V output product, f = 1.0 kHz)
• Built-in overcurrent protection circuit: Li mits overcurrent of output transistor.
• Built-in ON / OFF circuit: Ensures long battery life.
• Built-in Discharge shunt function
• Constant current source pull-down 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. *2. Refer to “ Product Name Structure” for details.  Applications
• Power supply for battery-powered device
• Power supply for mobile phone
• Power supply for portable equipment  Packages
• SOT-23-5
• SNT-6A(H)

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 3  Product Name Structure Users can select the product type, output voltage, and package type fo r the S-11L10 Series. Refer to “ 1. Product name” regarding the content s of product name, “ 2. Function list of product type ” regarding the product type, “3. Package” regarding the package drawings, “4. Product name list ” regarding details of the product name. 1. Product name S-11L10 x xx - xxxx U Output voltage*2 08 to 33 (e.g., when the output voltage is 1.0 V, it is expressed as 10.) Environmental code U: Lead-free (Sn 100%), halogen-free Product type*3 B or D Package abbreviation and IC packing specifications*1 M5T1: SOT-23-5, Tape I6T2: SNT-6A(H), Tape *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 ”. 2. Function list of product type Table 1 Product Type ON / OFF Logic Constant Current Source Pull-down B Active “H” Available D Active “H” Unavailble 3. Packages Package Name Drawing Code Package Tape Reel Land SOT-23-5 MP005-A-P-SD MP005-A-C-SD MP005-A-R-SD ⎯ SNT-6A(H) PI006-A-P-SD PI006-A-C- SD PI006-A-R-SD PI006-A-L-SD

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 4 4. Product name list 4. 1 S-11L10 Series B type ON / OFF logic: Active “H” Constant current source pull-down: Available Table 2 Output voltage SOT-23-5 SNT-6A(H)

0.8 V±15 mV S-11L10B08-M5T1U S-11L10B08-I6T2U

0.9 V±15 mV S-11L10B09-M5T1U S-11L10B09-I6T2U

1.0 V±15 mV S-11L10B10-M5T1U S-11L10B10-I6T2U

1.1 V±15 mV S-11L10B11-M5T1U S-11L10B11-I6T2U

1.2 V±15 mV S-11L10B12-M5T1U S-11L10B12-I6T2U

1.3 V±15 mV S-11L10B13-M5T1U S-11L10B13-I6T2U

1.4 V±15 mV S-11L10B14-M5T1U S-11L10B14-I6T2U

1.5 V±1.0% S-11L10B15-M5T1U S-11L10B15-I6T2U 1.6 V±1.0% S-11L10B16-M5T1U S-11L10B16-I6T2U 1.7 V±1.0% S-11L10B17-M5T1U S-11L10B17-I6T2U 1.8 V±1.0% S-11L10B18-M5T1U S-11L10B18-I6T2U 1.9 V±1.0% S-11L10B19-M5T1U S-11L10B19-I6T2U 2.0 V±1.0% S-11L10B20-M5T1U S-11L10B20-I6T2U 2.1 V±1.0% S-11L10B21-M5T1U S-11L10B21-I6T2U 2.2 V±1.0% S-11L10B22-M5T1U S-11L10B22-I6T2U 2.3 V±1.0% S-11L10B23-M5T1U S-11L10B23-I6T2U 2.4 V±1.0% S-11L10B24-M5T1U S-11L10B24-I6T2U 2.5 V±1.0% S-11L10B25-M5T1U S-11L10B25-I6T2U 2.6 V±1.0% S-11L10B26-M5T1U S-11L10B26-I6T2U 2.7 V±1.0% S-11L10B27-M5T1U S-11L10B27-I6T2U 2.8 V±1.0% S-11L10B28-M5T1U S-11L10B28-I6T2U 2.9 V±1.0% S-11L10B29-M5T1U S-11L10B29-I6T2U 3.0 V±1.0% S-11L10B30-M5T1U S-11L10B30-I6T2U 3.1 V±1.0% S-11L10B31-M5T1U S-11L10B31-I6T2U 3.2 V±1.0% S-11L10B32-M5T1U S-11L10B32-I6T2U 3.3 V±1.0% S-11L10B33-M5T1U S-11L10B33-I6T2U Remark Please contact our sales office for products with specifications other than the above.

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 5 4. 2 S-11L10 Series D type ON / OFF logic: Active “H” Constant current source pull-down: Unavailable Table 3 Output voltage SOT-23-5 SNT-6A(H)

0.8 V±15 mV S-11L10D08-M5T1U S-11L10D08-I6T2U

0.9 V±15 mV S-11L10D09-M5T1U S-11L10D09-I6T2U

1.0 V±15 mV S-11L10D10-M5T1U S-11L10D10-I6T2U

1.1 V±15 mV S-11L10D11-M5T1U S-11L10D11-I6T2U

1.2 V±15 mV S-11L10D12-M5T1U S-11L10D12-I6T2U

1.3 V±15 mV S-11L10D13-M5T1U S-11L10D13-I6T2U

1.4 V±15 mV S-11L10D14-M5T1U S-11L10D14-I6T2U

1.5 V±1.0% S-11L10D15-M5T1U S-11L10D15-I6T2U 1.6 V±1.0% S-11L10D16-M5T1U S-11L10D16-I6T2U 1.7 V±1.0% S-11L10D17-M5T1U S-11L10D17-I6T2U 1.8 V±1.0% S-11L10D18-M5T1U S-11L10D18-I6T2U 1.9 V±1.0% S-11L10D19-M5T1U S-11L10D19-I6T2U 2.0 V±1.0% S-11L10D20-M5T1U S-11L10D20-I6T2U 2.1 V±1.0% S-11L10D21-M5T1U S-11L10D21-I6T2U 2.2 V±1.0% S-11L10D22-M5T1U S-11L10D22-I6T2U 2.3 V±1.0% S-11L10D23-M5T1U S-11L10D23-I6T2U 2.4 V±1.0% S-11L10D24-M5T1U S-11L10D24-I6T2U 2.5 V±1.0% S-11L10D25-M5T1U S-11L10D25-I6T2U 2.6 V±1.0% S-11L10D26-M5T1U S-11L10D26-I6T2U 2.7 V±1.0% S-11L10D27-M5T1U S-11L10D27-I6T2U 2.8 V±1.0% S-11L10D28-M5T1U S-11L10D28-I6T2U 2.9 V±1.0% S-11L10D29-M5T1U S-11L10D29-I6T2U 3.0 V±1.0% S-11L10D30-M5T1U S-11L10D30-I6T2U 3.1 V±1.0% S-11L10D31-M5T1U S-11L10D31-I6T2U 3.2 V±1.0% S-11L10D32-M5T1U S-11L10D32-I6T2U 3.3 V±1.0% S-11L10D33-M5T1U S-11L10D33-I6T2U Remark Please contact our sales office for products with specifications other than the above.

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 6  Pin Configuration 5 4 1 3 2 SOT-23-5 Top view Figure 3 Table 4 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 VIN pin or VSS pin. SNT-6A(H) Top view 3 4 Figure 4 Table 5 Pin No. Symbol Description

1 VOUT Output voltage pin

3 NC*1 No connection

4 ON / OFF ON / OFF pin

5 VSS GND pin

6 VIN Input voltage pin

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

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 7  Absolute Maximum Ratings Table 6 (Ta = +25°C unless otherwise specified) Item Symbol Absolute Maximum Rating Unit Input voltage VIN V SS − 0.3 to VSS + 4.0 V VON / OFF V SS − 0.3 to VIN + 0.3 V Output voltage VOUT V SS − 0.3 to VIN + 0.3 V Power dissipation SOT-23-5 PD 600 *1 mW SNT-6A(H) 500 *1 mW Operation ambient temperature T opr −40 to +85 °C Storage temperature Tstg −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 ratings are rated values exceeding whic h the product could suffer physical damage. These values must therefore not be exceeded under any conditions. 0 50 100 150 600 400 Power Dissiaption (PD) [mW] Ambient Temperature (Ta) [°C] SNT-6A(H) 200 SOT-23-5 Figure 5 Power Dissipation of Package (When Mounted on Board)

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 8  Electrical Characteristics Table 7 (1 / 2) (Ta = +25°C unless otherwise specified) Item Symbol Conditions Min. Typ. Max. Unit Test Circuit Output voltage*1 VOUT(E) VIN = VOUT(S) + 1.0 V, IOUT = 30 mA 0.8 V ≤ VOUT(S) < 1.5 V VOUT(S) − 0.015 VOUT(S) VOUT(S) + 0.015 V 1 1.5 V ≤ VOUT(S) ≤ 2.65 V VOUT(S) × 0.99 VOUT(S) VOUT(S) × 1.01 V 1 VIN = 3.65 V, IOUT = 30 mA 2.65 V < VOUT(S) ≤ 3.3 V VOUT(S) × 0.99 VOUT(S) VOUT(S) × 1.01 V 1 Output current*2 IOUT VIN ≥ VOUT(S) + 1.0 V 0.8 V ≤ VOUT(S) ≤ 2.65 V 150*5 ⎯ ⎯ mA 3 VIN = 3.65 V 2.65 V < VOUT(S) ≤ 3.3 V 150*5 ⎯ ⎯ mA 3 Dropout voltage*3 Vdrop I OUT = 100 mA 1.1 V ≤ VOUT(S) < 1.3 V ⎯ 0.28 0.42 V 1 1.3 V ≤ VOUT(S) < 1.5 V ⎯ 0.24 0.36 V 1 1.5 V ≤ VOUT(S) < 1.7 V ⎯ 0.21 0.32 V 1 1.7 V ≤ VOUT(S) ≤ 3.3 V ⎯ 0.19 0.29 V 1 Line regulation ΔVIN • VOUT ΔVOUT1 VOUT(S) + 0.5 V ≤ VIN ≤ 3.65 V, IOUT = 30 mA 0.8 V ≤ VOUT(S) < 2.9 V ⎯ 0.05 0.2 %/V 1 3.4 V ≤ VIN ≤ 3.65 V, IOUT = 30 mA 2.9 V ≤ VOUT(S) ≤ 3.3 V ⎯ 0.05 0.2 %/V 1 Load regulation ΔVOUT2 VIN = VOUT(S) + 1.0 V, 10 μA ≤ IOUT ≤ 100 mA 0.8 V ≤ VOUT(S) ≤ 2.65 V ⎯ 20 40 mV 1 VIN = 3.65 V, 10 μA ≤ IOUT ≤ 100 mA 2.65 V < VOUT(S) ≤ 3.3 V ⎯ 20 40 mV 1 Output voltage temperature coefficient*4 ΔTa • VOUT ΔVOUT VIN = VOUT(S) + 1.0 V, IOUT = 30 mA, −40°C ≤ Ta ≤ +85°C 0.8 V ≤ VOUT(S) ≤ 2.65 V ⎯ ±150 ⎯ ppm/ °C1 VIN = 3.65 V, IOUT = 30 mA, −40°C ≤ Ta ≤ +85°C 2.65 V < VOUT(S) ≤ 3.3 V ⎯ ±150 ⎯ ppm/ °C1 Current consumption during operation I SS1 VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, no load 0.8 V ≤ VOUT(S) ≤ 2.65 V ⎯ 9 16 μA 2 VIN = 3.65 V, ON / OFF pin = ON, no load

2.65 V < V

OUT(S) ≤ 3.3 V ⎯ 9 16 μA 2 Current consumption during power-off I SS2 VIN = VOUT(S) + 1.0 V, ON / OFF pin = OFF, no load 0.8 V ≤ VOUT(S) ≤ 2.65 V ⎯ 0.1 0.9 μA 2 VIN = 3.65 V, ON / OFF pin = OFF, no load OUT(S) ≤ 3.3 V ⎯ 0.1 0.9 μA 2

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 9 Table 7 (2 / 2) (Ta = +25°C unless otherwise specified) Item Symbol Conditions Min. Typ. Max. Unit Test Circuit Input voltage V IN ⎯ 1.2 ⎯ 3.65 V ⎯ ON / OFF pin input voltage “H” VSH VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ, determined by VOUT output level 0.8 V ≤ VOUT(S) ≤ 2.65 V 0.9 ⎯ ⎯ V 4 VIN = 3.65 V, RL = 1.0 kΩ, determined by VOUT output level 2.65 V < VOUT(S) ≤ 3.3 V 0.9 ⎯ ⎯ 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 0.8 V ≤ VOUT(S) ≤ 2.65 V ⎯ ⎯ 0.2 V 4 VIN = 3.65 V, RL = 1.0 kΩ, determined by VOUT output level 2.65 V < VOUT(S) ≤ 3.3 V ⎯ ⎯ 0.2 V 4 ON / OFF pin input current “H” I SH VIN = 3.65 V, VON / OFF = 3.65 V B type 0.05 ⎯ 0.55 μA 4 D type −0.1 ⎯ 0.1 μA 4 ON / OFF pin input current “L” I SL V IN = 3.65 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 0.8 V ≤ VOUT(S) ≤ 1.25 V ⎯ 60 ⎯ dB 5 1.25 V < VOUT(S) ≤ 2.65 V ⎯ 55 ⎯ dB 5 VIN = 3.65 V, f = 1.0 kHz, ΔVrip = 0.5 Vrms, IOUT = 30 mA 2.65 V < VOUT(S) ≤ 3.3 V ⎯ 55 ⎯ dB 5 Short-circuit current I short VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, V OUT = 0 V 0.8 V ≤ VOUT(S) ≤ 2.65 V ⎯ 150 ⎯ mA 3 VIN = 3.65 V, ON / OFF pin = ON, V OUT = 0 V 2.65 V < VOUT(S) ≤ 3.3 V ⎯ 150 ⎯ mA 3 “L” output Nch ON resistance R LOW V OUT = 0.1 V, VIN = 3.65 V ⎯ 100 ⎯ Ω 3 *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 or 3.65 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 or 3.65 V and IOUT = 100 mA. VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage. *4. A change in 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.

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 11  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 1.0 μF or more can be used as CL. Figure 11 Caution The above connection diag ram and constant will not guarantee successful operation. Perform thorough evaluation using the actual application to set the constant.  Condition of Application Input capacitor (CIN): 1.0 μF or more Output capacitor (CL): 1.0 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-11L10 Series requires an output capacitor between the VOUT pin and VSS pin for phase compensation. Operation is stabilized by a ceramic capacitor with an output capacitance of 1.0 μF or more over the entire temperature range. When using an OS capacitor, a tant alum capacitor, or an aluminum electr olytic capacitor, the capacitance must be 1.0 μF or more. The value of the output overshoot 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 ≥ 1.0 μF, C L ≥ 1.0 μF; however, when selecting the output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 12  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 output voltage is ensured at ±1.0% or ±15 mV*1 under the specified conditions of fixed input voltage*2, fixed output current, and fixed temperature. *1. When V OUT < 1.5 V: ±15 mV, when 1.5 V ≤ VOUT: ±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 output voltage on the input voltage. 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 current. 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 difference 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 value of 98% of output voltage (V OUT3), which is at V IN = VOUT(S) + 1.0 V. Vdrop = VIN1 − (VOUT3 × 0.98)

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 13 6. Output voltage temperature coefficient  ΔVOUT ΔTa•VOUT The shaded area in Figure 12 is the range where V OUT varies in the operation temperature range when the output voltage temperature coefficient is ±150 ppm/°C. VOUT(E) Example of S-11L10B10 typ. product −40 +25 +0.15 mV/°C VOUT [V] *1. V OUT(E) is the value of the output voltage measured at Ta = +25°C. +85 Ta [°C] −0.15 mV/°C Figure 12 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

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 15 3. ON / OFF pin This pin starts and stops the regulator. When the ON / OFF pin is set to OFF level, the entire in ternal circuit stops operating, and the built-in P-channel MOS FET output transistor between the VIN pin and the VOUT pin is turned off, reducing current consumption significantly. Since the S-11L10 Series has a built-in discharge shunt circuit to discharge the output capacitance, the VOUT pin is forcibly set to the VSS level. The ON / OFF pin is configured as shown in Figure 14 and Figure 15. 3. 1 S-11L10 Series B 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 B type of ON / OFF pin input current “H” in “  Electrical Characteristics”. 3. 2 S-11L10 Series 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 it to the VIN pin. Caution Under high temperature in the S-11L10 Series, this IC’s current consumption may increase if applying voltage of 0.2 V to 0.9 V to the ON / OFF pin. Table 8 Product Type ON / OFF Pin Internal Circuit VOUT Pin Voltage Current Consumption B / D “L”: OFF Stop VSS level ISS2 B / D “H”: ON Operate Set value ISS1 VSS VIN ON / OFF VSS VIN ON / OFF Figure 14 S-11L10 Series B Type Figure 15 S-11L10 Series D Type

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 16 4. Discharge shunt function The S-11L10 Series has a built-in discharge shunt circuit to discharge the output capacitance. When the ON / OFF pin is set to OFF level, turns the out put transistor off, and turns the discharge shunt function on so that the output capacitor discharges. The VOUT pin is set to the V SS level faster, compared to the product which does not have a 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-11L10 Series Output capacitor (CL) Figure 16

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 17 5. Overcurrent protection circuit The S-11L10 Series includes an overcurrent protecti on 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 exce ssive output current and short circuiting between the VOUT pin and VSS pin. The current when the output pin is short-circuited (Ishort) is internally set at approx. 150 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 work 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. 6. Constant current source pull-down (S-11L10 Series B 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 the constant current flows when the ON / OFF pin is connected to the VIN pin and the S-11L10 Series B type is operating.

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 18  Precautions

• Wiring patterns for the VIN pin, the VOUT pin and GND should be designed so that the impedance is low. When mounting an output capacit or 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 (100 μA or less).
• Note that generally the output voltage may increase due to t he leakage current from an output driver when a series regulator is used at high temperature.
• At high temperature, the current consumption of the S-11L1 0 Series may increase if applying voltage of 0.2 V to 0.9 V to the ON / OFF pin.
• The S-11L10 Series may oscillate if power supply’s induct ance is high. Select an input capacitor after performing sufficient evaluation under the actual usage conditions including evaluation of temperature characteristics.
• Generally a series regulator may cause oscillation, depending on the selection of external parts. The following conditions are recommended for the S-11L10 Series. However, be sure to perform sufficient evaluation under the actual usage conditions for selection, including evaluat ion 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): 1.0 μF or more Output capacitor (C L): 1.0 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 small, power supply’s fluctuation and the characteristics of load fluctuation become worse. Sufficiently evaluate the output voltage’s fluctuation with the actual device.
• Overshoot may occur in the output voltage 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 voltage, and the load current 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 current value specified in Table 7 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.

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 19  Characteristics (Typical Data) 1. Output Voltage vs. Output Current (When Load Current Increases) (Ta = +25°C) 1. 1 V OUT = 0.8 V 1. 2 V OUT = 1.5 V VOUT [V] 0.8 0.4 IOUT [mA] 1.2 1.0 0.6 0.2 35050 100 150 200 300250 VIN = 1.3 V 1.8 V 3.65 V VOUT [V]1.0 IOUT [mA] 2.0 1.5 0.5 35050 100 150 200 300250 VIN = 2.0 V 2.5 V 3.65 V 1. 3 V OUT = 3.3 V VOUT [V]2.0 IOUT [mA] 4.0 3.0 1.0 35050 100 150 200 300250 VIN = 3.65 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 7 in “ Electrical Characteristics” 2. The package power dissipation 2. Output Voltage vs. Input Voltage (Ta = +25°C) 2. 1 V OUT = 0.8 V 2. 2 V OUT = 1.5 V VOUT [V] 0.6 0.7 0.3 VIN [V] 1.0 0.8 0.9 0.5 0.4 IOUT = 1 mA 30 mA 100 mA 1.0 VOUT [V]1.3 1.0 VIN [V] 1.6 1.4 1.5 1.2 1.1 IOUT = 1 mA 30 mA 100 mA 2. 3 V OUT = 3.3 V 2.8 VOUT [V]3.1 2.8 VIN [V] 3.4 3.2 3.3 3.0 2.9 3.63.0 3.43.2 IOUT = 1 mA 30 mA 100 mA

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 20 3. Dropout Voltage vs. Output Current 3. 1 V OUT = 0.8 V 3. 2 V OUT = 1.5 V Vdrop [V] 0.2 IOUT [mA] 0.5 0.3 0.4 0.1 15050 7525 125100 Ta = 85°C 25°C −40°C Vdrop [V] 0.10 IOUT [mA] 0.30 0.15 0.20 0.25 0.05 15050 7525 125100 Ta = 85°C 25°C −40°C 3. 3 V OUT = 3.3 V Vdrop [V] IOUT [mA] 0.20 0.05 0.10 0.15 15050 7525 125100 Ta = 85°C 25°C −40°C 4. Dropout Voltage vs. Set Output Voltage Vdrop [V] VOUT(S) [V] 0.40 0.10 0.05 0.15 0.20 0.25 0.30 0.35 3.02.5 IOUT = 150 mA 100 mA 50 mA 30 mA 10 mA

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 21 5. Output Voltage vs. Ambient Temperature 5. 1 V OUT = 0.8 V 5. 2 V OUT = 1.5 V −40 VOUT [V] 0.76 Ta [°C] 0.84 0.78 0.80 0.82 −25 25 0 7550 −40 VOUT [V] 1.40 Ta [°C] 1.60 1.45 1.50 1.55 −25 25 0 7550 5. 3 V OUT = 3.3 V −40 VOUT [V] 3.0 Ta [°C] 3.5 3.4 3.1 3.2 3.3 −25 25 0 7550 6. Current Consumption vs. Input Voltage 6. 1 V OUT = 0.8 V 6. 2 V OUT = 1.5 V ISS1 [μA] VIN [V] Ta = 85°C 25°C−40°C ISS1 [μA] VIN [V] 4.01.0 1.50.5 3.0 3.52.52.0 Ta = 85°C 25°C−40°C 6. 3 V OUT = 3.3 V ISS1 [μA] VIN [V] 4.01.0 1.50.5 3.0 3.52.52.0 Ta = 85°C 25°C−40°C

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 22 7. Ripple Rejection (Ta = +25°C) 7. 1 V OUT = 0.8 V VIN = 1.8 V, CL = 1.0 μF 7. 2 V OUT = 1.5 V VIN = 2.5 V, CL = 1.0 μF Ripple Rejection [dB]0 Frequency [Hz] 100 1M1k 100 100k10k IOUT = 1 mA 30 mA 100 mA Ripple Rejection [dB]0 Frequency [Hz] 100 1M1k 100 100k10k IOUT = 1 mA 30 mA 100 mA 7. 3 V OUT = 2.5 V VIN = 3.5 V, CL = 1.0 μF Ripple Rejection [dB]0 Frequency [Hz] 100 1M1k 100 100k10k IOUT = 1 mA 30 mA 100 mA

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 23  Reference Data 1. Transient Response Characteristics when Input (Ta = + 25°C) 1. 1 V OUT = 0.8 V IOUT = 30 mA, tr = tf = 5.0 μs, CL = 1.0 μF, CIN = 1.0 μF 1. 2 V OUT = 1.5 V IOUT = 30 mA, tr = tf = 5.0 μs, CL = 1.0 μF, CIN = 1.0 μF −100 −50 t [μs] 3.0 4.0 1.0 2.0 3.0 −1.0 −2.0 01.0 0.5 2.5 300100 250150 20005 0 VOUT [V] VIN [V] 2.0 1.5 VIN VOUT −100 −50 0.5 t [μs] 3.5 5.0 2.0 3.0 4.0 −1.0 1.01.5 1.0 3.0 300100 250150 20005 0 VOUT [V] VIN [V] 2.5 2.0 VIN VOUT 1. 3 V OUT = 2.0 V IOUT = 30 mA, tr = tf = 5.0 μs, CL = 1.0 μF, CIN = 1.0 μF −100 −50 1.0 t [μs] 4.0 4.0 2.5 3.0 3.5 1.5 1.0 2.02.0 1.5 3.5 300100 250150 20005 0 VOUT [V] VIN [V] 3.0 2.5 VIN VOUT 2. Transient Response Characteristics of Load (Ta = +25°C) 2. 1 V OUT = 0.8 V VIN = 1.8 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA 2. 2 V OUT = 1.5 V VIN = 2.5 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA −100 −50 0.65 t [μs] 1.00 150 100 −100 −150 −200 −500.80 0.75 0.70 0.95 300100 250150 20005 0 VOUT [V] IOUT [mA] 0.90 0.85 IOUT VOUT −100 −50 1.35 t [μs] 1.70 150 100 −100 −150 −200 −501.50 1.45 1.40 1.65 300100 250150 20005 0 VOUT [V] IOUT [mA] 1.60 1.55 IOUT VOUT 2. 3 V OUT = 3.3 V VIN = 3.65 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA −100 −50 3.15 t [μs] 3.45 150 100 −100 −150 −200 −50 3.25 3.20 3.40 300100 250150 20005 0 VOUT [V] IOUT [mA] 3.35 3.30 IOUT VOUT

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 24 3. Transient Response Characteristics of ON / OFF Pin (Ta = +25°C) 3. 1 V OUT = 0.8 V VIN = 1.8 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 100 mA 3. 2 V OUT = 1.5 V VIN = 2.5 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 100 mA −50 −0.5 t [μs] 2.5 3 −10.5 2.0 20050 1501000 VOUT [V] VON / OFF [V]1.5 1.0 VON /OFF VOUT −50 −1.0 t [μs] 5.0 6 −21.0 4.0 20050 1501000 VOUT [V] VON / OFF [V]3.0 2.0 VON /OFF VOUT 3. 3 V OUT = 3.3 V VIN = 3.65 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 100 mA −50 −2.0 t [μs] 10.0 9 −32.0 8.0 20050 1501000 VOUT [V] VON / OFF [V]6.0 4.0 VON /OFF VOUT 4. Output Capacitance vs. Characteristics of Discharge Time (Ta = +25°C) VIN = VOUT + 1.0 V (max.: 3.65 V), IOUT = no load VON / OFF = VOUT + 1.0 V → VSS, tf = 1 μs tDSC [ms] CL [μF] 3.0 1.0 0.5 2.0 1.5 2.5 122 81 064 VOUT(S) = 3.3 V 1.5 V 0.8 V VOUT VON / OFF 1 μs tDSC VOUT × 10% VSS VIN = VOUT + 1.0 V VON / OFF = VOUT + 1.0 V → VSS Figure 17 Figure 18 Measurement Condition of Discharge Time

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 25 5. Example of Equivalent Series Resistan ce vs. Output Current Characteristics (Ta = +25°C) 100 0.1 150 IOUT [mA] RESR [Ω] CIN = CL = 1.0 μF Stable CIN VIN VSS CL RESR S-11L10 Series VOUT ON / OFF *1. CL: TDK Corporation C3216X8R1E105K (1.0 μF) Figure 19 Figure 20

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR S-11L10 Series Rev.2.2_00 Seiko Instruments Inc. 26  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-11L10 Series B type 1. 2 S-11L10 Series D type Product Name Product code Product Name Product code S-11L10B08-M5T1U T V A S-11L10D08-M5T1U T X A S-11L10B09-M5T1U T V B S-11L10D09-M5T1U T X B S-11L10B10-M5T1U T V C S-11L10D10-M5T1U T X C S-11L10B11-M5T1U T V D S-11L10D11-M5T1U T X D S-11L10B12-M5T1U T V E S-11L10D12-M5T1U T X E S-11L10B13-M5T1U T V F S-11L10D13-M5T1U T X F S-11L10B14-M5T1U T V G S-11L10D14-M5T1U T X G S-11L10B15-M5T1U T V H S-11L10D15-M5T1U T X H S-11L10B16-M5T1U T V I S-11L10D16-M5T1U T X I S-11L10B17-M5T1U T V J S-11L10D17-M5T1U T X J S-11L10B18-M5T1U T V K S-11L10D18-M5T1U T X K S-11L10B19-M5T1U T V L S-11L10D19-M5T1U T X L S-11L10B20-M5T1U T V M S-11L10D20-M5T1U T X M S-11L10B21-M5T1U T V N S-11L10D21-M5T1U T X N S-11L10B22-M5T1U T V O S-11L10D22-M5T1U T X O S-11L10B23-M5T1U T V P S-11L10D23-M5T1U T X P S-11L10B24-M5T1U T V Q S-11L10D24-M5T1U T X Q S-11L10B25-M5T1U T V R S-11L10D25-M5T1U T X R S-11L10B26-M5T1U T V S S-11L10D26-M5T1U T X S S-11L10B27-M5T1U T V T S-11L10D27-M5T1U T X T S-11L10B28-M5T1U T V U S-11L10D28-M5T1U T X U S-11L10B29-M5T1U T V V S-11L10D29-M5T1U T X V S-11L10B30-M5T1U T V W S-11L10D30-M5T1U T X W S-11L10B31-M5T1U T V X S-11L10D31-M5T1U T X X S-11L10B32-M5T1U T V Y S-11L10D32-M5T1U T X Y S-11L10B33-M5T1U T V Z S-11L10D33-M5T1U T X Z

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.2.2_00 S-11L10 Series Seiko Instruments Inc. 27 2. SNT-6A(H) Top view 13 2 64 5 (1) (2) (3) (4) (5) (6) (1) to (3) : Product code (Refer to Product name vs. Product code ) (4) tp (6) : Lot number Product name vs. Product code 2. 1 S-11L10 Series B type 2. 2 S-11L10 Series D type Product Name Product code Product Name Product code S-11L10B08-I6T2U T V A S-11L10D08-I6T2U T X A S-11L10B09-I6T2U T V B S-11L10D09-I6T2U T X B S-11L10B10-I6T2U T V C S-11L10D10-I6T2U T X C S-11L10B11-I6T2U T V D S-11L10D11-I6T2U T X D S-11L10B12-I6T2U T V E S-11L10D12-I6T2U T X E S-11L10B13-I6T2U T V F S-11L10D13-I6T2U T X F S-11L10B14-I6T2U T V G S-11L10D14-I6T2U T X G S-11L10B15-I6T2U T V H S-11L10D15-I6T2U T X H S-11L10B16-I6T2U T V I S-11L10D16-I6T2U T X I S-11L10B17-I6T2U T V J S-11L10D17-I6T2U T X J S-11L10B18-I6T2U T V K S-11L10D18-I6T2U T X K S-11L10B19-I6T2U T V L S-11L10D19-I6T2U T X L S-11L10B20-I6T2U T V M S-11L10D20-I6T2U T X M S-11L10B21-I6T2U T V N S-11L10D21-I6T2U T X N S-11L10B22-I6T2U T V O S-11L10D22-I6T2U T X O S-11L10B23-I6T2U T V P S-11L10D23-I6T2U T X P S-11L10B24-I6T2U T V Q S-11L10D24-I6T2U T X Q S-11L10B25-I6T2U T V R S-11L10D25-I6T2U T X R S-11L10B26-I6T2U T V S S-11L10D26-I6T2U T X S S-11L10B27-I6T2U T V T S-11L10D27-I6T2U T X T S-11L10B28-I6T2U T V U S-11L10D28-I6T2U T X U S-11L10B29-I6T2U T V V S-11L10D29-I6T2U T X V S-11L10B30-I6T2U T V W S-11L10D30-I6T2U T X W S-11L10B31-I6T2U T V X S-11L10D31-I6T2U T X X S-11L10B32-I6T2U T V Y S-11L10D32-I6T2U T X Y S-11L10B33-I6T2U T V Z S-11L10D33-I6T2U T X Z

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