S1167

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www.sii-ic.com ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR © Seiko Instruments Inc., 2004-2015 Rev.3.2_00 Seiko Instruments Inc. 1 The S-1167 Series is a positive voltage regul ator with ultra low current consumpt ion, high ripple rejection, low dropout voltage and high-accuracy output voltage developed based on CMOS technology. Although current consumption is very small with 9 μA typ., the S-1167 Series realized the 70 dB of high ripple rejection rate. Besides, a ceramic capacitor of 1.0 μF can be used as the input and output capacitors. Moreover, dropout voltage is also small since output voltage accuracy realizes ±1.0% of high accuracy, and the low-on- resistance transistor is built-in. A built-in overcurrent protection circuit prevents that the load current from exceeding the current capacity of the output transistor. The ON / OFF circuit ensures long battery life. Two packages, SOT-23-5 and SNT-6A(H) are available. Compared with the voltage regulat ors using the conventional CMOS technology, the S-1167 Series is the most suitable for the portable equipments with ultra low current consumption and corresponding to the small package.  Features

• Output voltage: 1.5 V to 5.5 V, selectable in 0.1 V step
• Input voltage: 2.0 V to 6.5 V
• Output voltage accuracy: ±1.0%
• Dropout voltage: 150 mV typ. (3.0 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 (V IN ≥ VOUT(S) + 1.0 V)*1
• Input and output capacitors: A ceramic capacitor of 1.0 μF or more can be used.
• Ripple rejection: 70 dB typ. (3.0 V output product, f = 1.0 kHz)
• Built-in overcurrent protection circuit: Limits overcurrent of output transistor.
• Built-in ON / OFF circuit: Ensures long battery life.
• Operation temperature range: Ta = −40°C to +85°C
• Lead-free, Sn 100%, halogen-free*2 *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
• Constant-voltage power supply for battery-powered device
• Constant-voltage power supply for cellular phone
• Constant-voltage power supply for portable equipment  Packages
• SOT-23-5
• SNT-6A(H)

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 2  Block Diagram VIN VSS VOUT ON / OFF ON / OFF circuit Reference voltage circuit Overcurrent protection circuit *1. Parasitic diode Figure 1

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 3  Product Name Structure Users can select the product type, output voltage, and package type fo r the S-1167 Series. Refer to “1. Product Name” regarding the content s of product name, “ 2. Packages ” regarding the package drawings and “ 3. Product Name List” regarding details of product name. 1. Product Name 1. 1 SOT-23-5 S-1167 x xx - M5T1 x Environmental code U : Lead-free (Sn 100%), halogen-free G : Lead-free (for details, please contact our sales office) Package abbreviation and packing specifications *1 M5T1 : SOT-23-5, Tape Output voltage 15 to 55 (e.g. When the output voltage is 1.5 V, it is expressed as 15.) Product type *2 A : ON / OFF pin negative logic B : ON / OFF pin positive logic 1. 2 SNT-6A(H) S-1167 x xx - I6T2 U Environmental code U : Lead-free (Sn 100%), halogen-free Package abbreviation and packing specifications *1 I6T2 : SNT-6A(H), Tape Output voltage 15 to 55 (e.g. When the output voltage is 1.5 V, it is expressed as 15.) Product type *2 A : ON / OFF pin negative logic B : ON / OFF pin positive logic *1. Refer to the tape drawing. *2. Refer to “3. ON / OFF Pin” in “ Operation”.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 4 2. 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 3. Product Name List 3. 1 S-1167 Series A type Table 1 Output Voltage SOT-23-5 1.5 V ±1.0% S-1167A15-M5T1x 1.85 V ±1.0% S-1167A1J-M5T1x 1.9 V ±1.0% S-1167A19-M5T1x 3.0 V ±1.0% S-1167A30-M5T1x 3.3 V ±1.0% S-1167A33-M5T1x 3.6 V ±1.0% S-1167A36-M5T1x 5.0 V ±1.0% S-1167A50-M5T1x Remark 1. Please contact our sales office fo r the products other than those above. 2. x: G or U 3. Please select products of environmental code = U for Sn 100%, halogen-free products.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 5 3. 2 S-1167 Series B type Table 2 Output Voltage SOT-23-5 SNT-6A(H) 1.5 V ±1.0% S-1167B15-M5T1x S-1167B15-I6T2U 1.6 V ±1.0% S-1167B16-M5T1x S-1167B16-I6T2U 1.7 V ±1.0% S-1167B17-M5T1x S-1167B17-I6T2U 1.8 V ±1.0% S-1167B18-M5T1x S-1167B18-I6T2U 1.9 V ±1.0% S-1167B19-M5T1x S-1167B19-I6T2U 2.0 V ±1.0% S-1167B20-M5T1x S-1167B20-I6T2U 2.1 V ±1.0% S-1167B21-M5T1x S-1167B21-I6T2U 2.2 V ±1.0% S-1167B22-M5T1x S-1167B22-I6T2U 2.3 V ±1.0% S-1167B23-M5T1x S-1167B23-I6T2U 2.4 V ±1.0% S-1167B24-M5T1x S-1167B24-I6T2U 2.5 V ±1.0% S-1167B25-M5T1x S-1167B25-I6T2U 2.6 V ±1.0% S-1167B26-M5T1x S-1167B26-I6T2U 2.7 V ±1.0% S-1167B27-M5T1x S-1167B27-I6T2U 2.8 V ±1.0% S-1167B28-M5T1x S-1167B28-I6T2U 2.9 V ±1.0% S-1167B29-M5T1x S-1167B29-I6T2U 3.0 V ±1.0% S-1167B30-M5T1x S-1167B30-I6T2U 3.1 V ±1.0% S-1167B31-M5T1x S-1167B31-I6T2U 3.2 V ±1.0% S-1167B32-M5T1x S-1167B32-I6T2U 3.3 V ±1.0% S-1167B33-M5T1x S-1167B33-I6T2U 3.4 V ±1.0% S-1167B34-M5T1x S-1167B34-I6T2U 3.5 V ±1.0% S-1167B35-M5T1x S-1167B35-I6T2U 3.6 V ±1.0% S-1167B36-M5T1x S-1167B36-I6T2U 3.7 V ±1.0% S-1167B37-M5T1x S-1167B37-I6T2U 3.8 V ±1.0% S-1167B38-M5T1x S-1167B38-I6T2U 3.9 V ±1.0% S-1167B39-M5T1x S-1167B39-I6T2U 4.0 V ±1.0% S-1167B40-M5T1x S-1167B40-I6T2U 4.1 V ±1.0% S-1167B41-M5T1x S-1167B41-I6T2U 4.2 V ±1.0% S-1167B42-M5T1x S-1167B42-I6T2U 4.3 V ±1.0% S-1167B43-M5T1x S-1167B43-I6T2U 4.4 V ±1.0% S-1167B44-M5T1x S-1167B44-I6T2U 4.5 V ±1.0% S-1167B45-M5T1x S-1167B45-I6T2U 4.6 V ±1.0% S-1167B46-M5T1x S-1167B46-I6T2U 4.7 V ±1.0% S-1167B47-M5T1x S-1167B47-I6T2U 4.8 V ±1.0% S-1167B48-M5T1x S-1167B48-I6T2U 4.9 V ±1.0% S-1167B49-M5T1x S-1167B49-I6T2U 5.0 V ±1.0% S-1167B50-M5T1x S-1167B50-I6T2U 5.1 V ±1.0% S-1167B51-M5T1x S-1167B51-I6T2U 5.2 V ±1.0% S-1167B52-M5T1x S-1167B52-I6T2U 5.3 V ±1.0% S-1167B53-M5T1x S-1167B53-I6T2U 5.4 V ±1.0% S-1167B54-M5T1x S-1167B54-I6T2U 5.5 V ±1.0% S-1167B55-M5T1x S-1167B55-I6T2U Remark 1. Please contact our sales office fo r the products other than those above. 2. x: G or U 3. Please select products of environmental code = U for Sn 100%, halogen-free products.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 6  Pin Configurations SOT-23-5 Top view 5 4 3 2 1 Figure 2 Table 3 Pin No. Symbol Pin 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. SNT-6A(H) Top view 3 4 Figure 3 Table 4 Pin No. Symbol Pin 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 the VIN pin or the VSS pin.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 7  Absolute Maximum Ratings Table 5 (Ta = 25°C unless otherwise specified) Item Symbol Absolute Maximum Rating Unit Input voltage VIN V SS − 0.3 to VSS + 7 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 300 (When not mounted on board) mW 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) Board 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 therefor e not be exceeded under any conditions. 0 50 100 150 600 400 Power dissipation (PD) [mW] Ambient temperature (Ta) [°C] SNT-6A(H) 200 SOT-23-5 Figure 4 Power Dissipation of The Package (When Mounted on Board)

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 8  Electrical Characteristics Table 6 (Ta = 25°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Output voltage*1 V OUT(E) V IN = VOUT(S) + 1.0 V, IOUT = 30 mA VOUT(S) × 0.99 VOUT(S) VOUT(S) × 1.01 V 1 Output current*2 I OUT V IN ≥ VOUT(S) + 1.0 V 150*5 − − mA 3 Dropout voltage*3 Vdrop I OUT = 100 mA 2.0 V ≤ VOUT(S) ≤ 2.4 V − 0.23 0.35 V 1 2.5 V ≤ VOUT(S) ≤ 2.9 V − 0.20 0.30 V 1 3.0 V ≤ VOUT(S) ≤ 3.2 V − 0.15 0.23 V 1 3.3 V ≤ VOUT(S) ≤ 5.5 V − 0.14 0.21 V 1 Line regulation ΔVOUT1 Δ VIN • VOUT VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA − 0.05 0.2 %/V 1 Load regulation ΔVOUT2 VIN = VOUT(S) + 1.0 V, 10 μA ≤ IOUT ≤ 100 mA − 20 40 mV 1 Output voltage temperature coefficient*4 ΔVOUT ΔTa • VOUT VIN = VOUT(S) + 1.0 V, IOUT = 30 mA, Current consumption during operation I SS1 VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, No load − 9 16 μA 2 Current consumption during shutdown I SS2 VIN = VOUT(S) + 1.0 V, ON / OFF pin = OFF, No load − 0.1 0.9 μA 2 Input voltage VIN − 2.0 − 6.5 V − ON / OFF pin input voltage “H” V SH V IN = VOUT(S) + 1.0 V, RL = 1.0 kΩ 1.5 − − V 4 ON / OFF pin input voltage “L” V SL V IN = VOUT(S) + 1.0 V, RL = 1.0 kΩ − − 0.3 V 4 ON / OFF pin input current “H” I SH V IN = 6.5 V, VON / OFF = 6.5 V −0.1 − 0.1 μA 4 ON / OFF pin input current “L” I SL V IN = 6.5 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 1.5 V ≤ VOUT(S) ≤ 3.0 V − 70 − dB 5 3.1 V ≤ VOUT(S) ≤ 5.5 V − 65 − dB 5 Short-circuit current I SHORT VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, VOUT = 0 V − 300 − mA 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 *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) VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 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 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 the 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 satisf ied. Attention should be paid to the power dissipation of the package when the output current is large. This specification is guaranteed by design.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 10  Standard Circuit CIN *1 CL Input Output GNDSingle GND VOUTVIN VSS ON / OFF *1. A capacitor for stabilizing the input. *2. A ceramic capacitor of 1.0 μ F or more can be used. Figure 10 Caution The above connection di agram and constant will not guara ntee 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 Equivalent series resistance (RESR) of output capacitor: 1.0 Ω or less Caution Generally a series regulator may cause osc illation, depending on the selection of external parts. Check that no oscillation occurs with the application using the above capacitor.  Selection of Input Capacitor (CIN) and Output Capacitor (CL) The S-1167 Series requires an output capacitor between the VOUT pin and t he VSS pin for phase compensation. Operation is stabilized by a ceramic capac itor with an output capacitance of 1.0 μF or more in the entire temperature range. When using an OS capacitor, a t antalum capacitor, or an aluminum electrolytic capacit or, the capacitance must be 1.0 μF or more, and an equivalent series resistance (RESR) must be 1.0 Ω or less. The value of the output ov ershoot or undershoot transient response varies depending on the value of the output capacitor. The required capacit ance of the input capacitor differs depending on the application. The recommended value for an application is C IN ≥ 1.0 μF, CL ≥ 1.0 μF; however, when selecting the output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 11  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. Low Equivalent Series Resistance A capacitor whose equivalent series resistance (R ESR) is low. The S-1167 Series enables use of a low equivalent series resistance capacitor, such as a cera mic capacitor, for the output-side capacitor (CL). A capacitor whose R ESR is 1.0 Ω or less can be used. 3. Output Voltage (VOUT) The accuracy of the output voltage is ensured at ±1.0% under the specified condi tions of fixed input voltage *1, fixed output current, and fixed temperature. *1. Differs depending on the product. Caution If the above conditions change, the output voltage value ma y vary and exceed the accuracy range of the output voltage. Refer to “  Electrical Characteristics” and “  Characteristics (Typical Data)” for details. 4. Line Regulation   ΔVOUT1 ΔVIN • VOUT Indicates the dependency of the out put 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. 5. Load Regulation (ΔVOUT2) Indicates the dependency of the output voltage on the output current. That is, the val ues show how much the output voltage changes due to a change in the output current with the input voltage remaining unchanged. 6. Dropout Voltage (Vdrop) 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 value of 98% of output voltage (V OUT3), which is at VIN = VOUT(S) + 1.0 V. Vdrop = VIN1 − (VOUT3 × 0.98)

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 12 7. Output Voltage Temperature Coefficient   ΔVOUT ΔTa • VOUT The shaded area in Figure 11 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-1167B28 typ. product −40 +25 +0.28 mV/°C VOUT [V] *1. V OUT(E) is the value of the output voltage measured at Ta = +25°C. +85 Ta [°C] −0.28 mV/°C Figure 11 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 the output voltage *2. Set output voltage *3. Output voltage temperature coefficient

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 14 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 built-in P-channel MOS FET output transistor between the VIN pin and the VOUT pin is turned off, reducing current consumption significantly. The VOUT pin becomes the V SS level due to the internally divided resistance of several M Ω between the VOUT pin and the VSS pin. Note that the current consumption increases if a voltage of 0.3 V to V IN − 0.3 V is applied to the ON / OFF pin. The structure of the ON / OFF pin is as shown in Figure 13. Since the ON / OFF pin is neither pulled down nor pulled up internally, do not use it in t he floating status. When not using the ON / OFF pin, connect it to the VSS pin in the product A type, and connect it to the VIN pin in B type. Table 7 Product Type ON / OFF Pin Internal Circu it VOUT Pin Voltage Current Consumption A “L”: ON Operate Set value ISS1 A “H”: OFF Stop V SS level ISS2 B “L”: OFF Stop V SS level ISS2 B “H”: ON Operate Set value ISS1 VSS ON / OFF VIN Figure 13

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 15  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 (10 μA 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.
• Generally a series regulator may cause oscillation, depending on the selecti on of external parts. The following conditions are recommended for the S-1167 Series. However, be sure to perform sufficient evaluation under the actual usage conditions for selection, including evaluation of temperature characteristics. Input capacitor (CIN): 1.0 μF or more Output capacitor (CL): 1.0 μF or more Equivalent series resistance (RESR): 1.0 Ω or less
• The voltage regulator may oscillate when the impedance of the power supply is high and the i nput capacitance is small or an input capacitor is not connected.
• It is important to sufficiently eval uate the output voltage fluc tuation due to the power supply fluctuation and load fluctuation characteristics in the actual equipment.
• 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 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 out put current value specified in Table 6 in “  Electrical Characteristics” and footnote *5 of the table.
• SII 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.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 16  Characteristics (Typical Data) 1. Output Voltage vs. Output Current (When Load Current Increases) (Ta = 25°C) S-1167B15 S-1167B30 VIN=1.8 V 3.5 V 6.5 V 2.5 V 2.0 V 0 100 200 300 400 500 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 VOUT [V] IOUT [mA] 0 100 200 300 400 500 3.5 3.0 2.5 2.0 1.5 1.0 0.5 VOUT [V] IOUT [mA] VIN=3.3 V 3.5 V 4.0 V 5.0 V 6.5 V S-1167B50 0 100 200 300 400 500 VOUT [V] IOUT [mA] VIN=5.3 V 5.5 V 6.0 V 6.5 V Remark In determining the output current, attention should be paid to the following. 1. The minimum output current value and footnote *5 specified of Table 6 in the “ Electrical Characteristics” 2. The package power dissipation 2. Output Voltage vs. Input Voltage (Ta = 25°C) S-1167B15 S-1167B30 1.6 1.5 1.4 1.3 1.2 1.1 1.0 VOUT [V] VIN [V] 1 mA 30 mA 100 mA 3.1 3.0 2.9 2.8 2.7 2.6 2.5 VOUT [V] VIN [V] 1 mA 30 mA 100 mA S-1167B50 5.1 5.0 4.9 4.8 4.7 4.6 4.5 VOUT [V] VIN [V] 1 mA 30 mA 100 mA

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 17 3. Dropout Voltage vs. Output Current S-1167B15 S-1167B30 0 50 100 150 200 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 Vdrop [V] IOUT [mA] Ta = 85 C 25 C 40 C 0 50 100 150 200 0.30 0.25 0.20 0.15 0.10 0.05 Vdrop [V] IOUT [mA] Ta = 85 C 25 C 40 C S-1167B50 0 50 100 150 200 0.25 0.20 0.15 0.10 0.05 Vdrop [V] IOUT [mA] Ta = 85 C 25 C 40 C 4. Dropout Voltage vs. Set Output Voltage 012 3 5 46 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 Vdrop [V] VOUT(S) [V] IOUT=150 mA 100 mA 50 mA 30 mA 10 mA

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 18 5. Output Voltage vs. Ambient Temperature S-1167B15 S-1167B30 0 15 10 60 35 85 1.60 1.55 1.50 1.45

1.40 VOUT [V]

Ta [C] 0 15 10 60 35 85 3.20 3.15 3.10 3.05 3.00 2.95 2.90 2.85

2.80 VOUT [V]

Ta [C] S-1167B50 0 15 10 60 35 85 5.2 5.1 5.0 4.9 4.8 VOUT [V] Ta [C] 6. Current Consumption vs. Input Voltage S-1167B15 S-1167B30 012 3 6547 ISS1 [A] VIN [V] 40 C 85 C 25 C 012 3 6547 ISS1 [A] VIN [V] 85 C 25 C 40 C S-1167B50 012 3 6547 ISS1 [A] VIN [V] 85 C 25 C 40 C

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 19 7. Ripple Rejection (Ta = 25°C) S-1167B15 VIN = 2.5 V, COUT =1.0 μF S-1167B30 VIN = 4.0 V, COUT = 1.0 μF 10 100 1K 100K10K 1M 100 Ripple Rejection [dB] Frequency [Hz] IOUT = 1 mA 30 mA 100 mA 10 100 1K 100K10K 1M 100 Ripple Rejection [dB] Frequency [Hz] IOUT = 1 mA 30 mA 100 mA S-1167B50 VIN = 6.0 V, COUT =1.0 μF 10 100 1K 100K10K 1M 100 Ripple Rejection [dB] Frequency [Hz] IOUT = 1 mA 30 mA 100 mA

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 20  Reference Data 1. Input Transient Response Characteristics (Ta = 25°C) S-1167B15 IOUT = 30 mA, tr = tf = 5.0 μs, COUT =1.0 μF, CIN = 1.0 μF S-1167B30 I OUT = 30 mA, tr = tf = 5.0 μs, COUT = 1.0 μF, CIN = 1.0 μF VIN [V] 40 20 0 20 40 60 80 100120 140 160 1.62 1.60 1.58 1.56 1.54 1.52 1.50 1.48 1.46 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 VOUT [V] t [s] VIN VOUT VIN [V] 40 20 0 20 40 60 80 100120140 160 3.06 3.04 3.02 3.00 2.98 2.96 2.94 VOUT [V] t [s] VIN VOUT S-1167B50 IOUT = 30 mA, tr = tf = 5.0 μs, COUT =1.0 μF, CIN = 1.0 μF VIN [V] 40 20 0 20 40 60 80 100 120140 160 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 VOUT [V] t [s] VIN VOUT 2. Load Transient Response Characteristics (Ta = 25°C) S-1167B15 VIN = 2.5 V, COUT = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA S-1167B30 VIN = 4.0 V, COUT = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA 40 20 0 20 40 60 80 100 120140 160 1.70 1.65 1.60 1.55 1.50 1.45 1.40 150 100 50 100 150 VOUT [V] IOUT [mA] t [s] IOUT VOUT 40 20 0 20 40 60 80 100 120140 160 3.15 3.10 3.05 3.00 2.95 2.90 2.85 150 100 50 100 150 VOUT [V] IOUT [mA] t [s] IOUT VOUT S-1167B50 VIN =6.0 V, COUT = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA 40 20 0 20 40 60 80 100 120140 160 5.15 5.10 5.05 5.00 4.95 4.90 4.85 150 100 50 100 150 VOUT [V] IOUT [mA] t [s] IOUT VOUT

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 21 3. ON / OFF Pin Transient Response Characteristics (Ta = 25°C) S-1167B15 VIN = 2.5 V, COUT =1.0 μF, CIN = 1.0 μF, IOUT = 100 mA S-1167B30 V IN = 4.0 V, COUT =1.0 μF, CIN = 1.0 μF, IOUT = 100 mA VOUT [V] VON / OFF [V] t [ms] VOUT VON / OFF VOUT [V] VON / OFF [V] t [ms] VOUT VON / OFF S-1167B50 VIN = 6.0 V, COUT =1.0 μF, CIN = 1.0 μF, IOUT = 100 mA VOUT [V] VON / OFF [V] t [ms] VON / OFF VOUT

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1167 Series Rev.3.2_00 Seiko Instruments Inc. 22  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-1167 Series A type Product name Product code (1) (2) (3) S-1167A15-M5T1x P 2 A S-1167A1J-M5T1x P 3 P S-1167A19-M5T1x P 2 E S-1167A30-M5T1x P 2 P S-1167A33-M5T1x P 2 S S-1167A36-M5T1x P 2 V S-1167A50-M5T1x P 3 J 1. 2 S-1167 Series B type Product name Product code Product name Product code S-1167B15-M5T1x P 4 A S-1167B36-M5T1x P 4 V S-1167B16-M5T1x P 4 B S-1167B37-M5T1x P 4 W S-1167B17-M5T1x P 4 C S-1167B38-M5T1x P 4 X S-1167B18-M5T1x P 4 D S-1167B39-M5T1x P 4 Y S-1167B19-M5T1x P 4 E S-1167B40-M5T1x P 4 Z S-1167B20-M5T1x P 4 F S-1167B41-M5T1x P 5 A S-1167B21-M5T1x P 4 G S-1167B42-M5T1x P 5 B S-1167B22-M5T1x P 4 H S-1167B43-M5T1x P 5 C S-1167B23-M5T1x P 4 I S-1167B44-M5T1x P 5 D S-1167B24-M5T1x P 4 J S-1167B45-M5T1x P 5 E S-1167B25-M5T1x P 4 K S-1167B46-M5T1x P 5 F S-1167B26-M5T1x P 4 L S-1167B47-M5T1x P 5 G S-1167B27-M5T1x P 4 M S-1167B48-M5T1x P 5 H S-1167B28-M5T1x P 4 N S-1167B49-M5T1x P 5 I S-1167B29-M5T1x P 4 O S-1167B50-M5T1x P 5 J S-1167B30-M5T1x P 4 P S-1167B51-M5T1x P 5 K S-1167B31-M5T1x P 4 Q S-1167B52-M5T1x P 5 L S-1167B32-M5T1x P 4 R S-1167B53-M5T1x P 5 M S-1167B33-M5T1x P 4 S S-1167B54-M5T1x P 5 N S-1167B34-M5T1x P 4 T S-1167B55-M5T1x P 5 O S-1167B35-M5T1x P 4 U Remark 1. x: G or U 2. Please select products of environmental code = U for Sn 100%, halogen-free products.

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1167 Series Seiko Instruments Inc. 23 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) to (6): Lot number Product name vs. Product code Product name Product code Product name Product code S-1167B15-I6T2U P 4 A S-1167B36-I6T2U P 4 V S-1167B16-I6T2U P 4 B S-1167B37-I6T2U P 4 W S-1167B17-I6T2U P 4 C S-1167B38-I6T2U P 4 X S-1167B18-I6T2U P 4 D S-1167B39-I6T2U P 4 Y S-1167B19-I6T2U P 4 E S-1167B40-I6T2U P 4 Z S-1167B20-I6T2U P 4 F S-1167B41-I6T2U P 5 A S-1167B21-I6T2U P 4 G S-1167B42-I6T2U P 5 B S-1167B22-I6T2U P 4 H S-1167B43-I6T2U P 5 C S-1167B23-I6T2U P 4 I S-1167B44-I6T2U P 5 D S-1167B24-I6T2U P 4 J S-1167B45-I6T2U P 5 E S-1167B25-I6T2U P 4 K S-1167B46-I6T2U P 5 F S-1167B26-I6T2U P 4 L S-1167B47-I6T2U P 5 G S-1167B27-I6T2U P 4 M S-1167B48-I6T2U P 5 H S-1167B28-I6T2U P 4 N S-1167B49-I6T2U P 5 I S-1167B29-I6T2U P 4 O S-1167B50-I6T2U P 5 J S-1167B30-I6T2U P 4 P S-1167B51-I6T2U P 5 K S-1167B31-I6T2U P 4 Q S-1167B52-I6T2U P 5 L S-1167B32-I6T2U P 4 R S-1167B53-I6T2U P 5 M S-1167B33-I6T2U P 4 S S-1167B54-I6T2U P 5 N S-1167B34-I6T2U P 4 T S-1167B55-I6T2U P 5 O S-1167B35-I6T2U P 4 U

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