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Rev.3.0_00 SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Seiko Instruments Inc. 1 The S-817 Series is a 3-terminal positive voltage regulator, developed using CMOS technology. Small ceramic capacitors can be used as the output capacitor, and the S-817 series provides stable operation with low loads down to 1 µA. Compared with the conventional voltage regulator, it is of low current consumption, and with a lineup of the super small package (SNT-4A:1.2 x 1.6mm). It is optimal as a power supply of small portable device. Features

Ultra-low current consumption: Operating current: Typ. 1.2 µA, Max. 2.5 µA
Output voltage: 1.1 to 6.0 V, selectable in 0.1 V steps.
Output voltage accuracy: ±2.0%
Output current: 50 mA capable (3.0 V output product, V IN=5 V) *1 75 mA capable (5.0 V output product, V IN=7 V) *1
Dropout voltage: Typ. 160 mV (V OUT = 5.0 V, IOUT = 10 mA)
Low ESR capacitor (e.g. A ceramic capacitor of 0.1 µF or more) can be used as an output capacitor.
Short circuit protection for: Series A
Excellent Line Regulation: Stabl e operation at light load of 1 µA *1. Attention should be paid to the power dissipation of the package when the load is large. Applications
Power source for battery-powered devices
Power source for personal communication devices
Power source for home electric/electronic appliances Packages Package name Drawing code Package Tape Reel Zigzag SNT-4A PF004-A PF004-A PF004-A  SC-82AB NP004-A NP004-A NP004-A  SOT-23-5 MP005-A MP005-A MP005-A  SOT-89-3 UP003-A UP003-A UP003-A  TO-92 (Bulk) YS003-B    TO-92 (Tape and reel) YF003-A YF003-A YF003-A  TO-92 (Tape and ammo) YF003-A YZ003-C  YZ003-C

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 3 Product Name Structure

The product types and output voltage for the S-817 Series can be selected at the user’s request. Refer to the “Product name” for the meanings of the characters in the product name and “Product name list” for the full product names 1. Product name 1. 1 S-817A series 1. 1. 1 SNT-4A package S-817 A xx A PF - xxx TF G Fixed IC direction in tape specifications*1 Product name (abbreviation) Package name (abbreviation)*2 PF : SNT-4A Output voltage 11 to 60 (e.g. When the output voltage is

1.5 V, it is expressed 15)

A : Yes *1. Refer to the specifications at the end of this book. *2. Refer to the “ 2. Product name list”. 1. 1. 2 SC-82AB and SOT-23-5 package S-817 A xx A xx - xxx T2 IC direction in tape specifications*1 Product name (abbreviation) Package name (abbreviation)*2 NB : SC-82AB MC : SOT-23-5 Output voltage 11 to 60 (e.g. When the output voltage is A : Yes *1. Refer to the specifications at the end of this book. *2. Refer to the “ 2. Product name list”.

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 4 1. 2 S-817B series 1. 2. 1 SOT-23-5 and SOT-89-3 package S-817 B xx A xx - xxx T2 IC direction in tape specifications*1 Product name (abbreviation) Package name (abbreviation)*2 MC : SOT-23-5 UA : SOT-89-3 Output voltage 11 to 60 (e.g. When the output voltage is B : No *1. Refer to the specifications at the end of this book. *2. Refer to the “ 2. Product name list”. 1. 2. 2 TO-92 package S-817 B xx A Y - x Packing form B : Bulk T : Tape and reel Z : Tape and ammo Package name (abbreviation)*1 Y : TO-92 Output voltage 11 to 60 (e.g. When the output voltage is B : No *1. Refer to the “ 2. Product name list”.

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 5 2. Product name list 2. 1 S-817A series Table 1 Output voltage SNT-4A SC-82AB SOT-23-5 1.1 V ± 2.0 % S-817A11APF-CUATFG S-817A11ANB-CUA-T2  1.2 V ± 2.0 % S-817A12APF-CUBTFG S-817A12ANB-CUB-T2  1.3 V ± 2.0 % S-817A13APF-CUCTFG S-817A13ANB-CUC-T2  1.4 V ± 2.0 % S-817A14APF-CUDTFG S-817A14ANB-CUD-T2 S-817A14AMC-T2 1.5 V ± 2.0 % S-817A15APF-CUETFG S-817A15ANB-CUE-T2  1.6 V ± 2.0 % S-817A16APF-CUFTFG S-817A16ANB-CUF-T2 S-817A16AMC-T2 1.7 V ± 2.0 % S-817A17APF-CUGTFG S-817A17ANB-CUG-T2  1.8 V ± 2.0 % S-817A18APF-CUHTFG S-817A18ANB-CUH-T2  1.9 V ± 2.0 % S-817A19APF-CUITFG S-817A19ANB-CUI-T2  2.0 V ± 2.0 % S-817A20APF-CUJTFG S-817A20ANB-CUJ-T2  2.1 V ± 2.0 % S-817A21APF-CUKTFG S-817A21ANB-CUK-T2  2.2 V ± 2.0 % S-817A22APF-CULTFG S-817A22ANB-CUL-T2  2.3 V ± 2.0 % S-817A23APF-CUMTFG S-817A23ANB-CUM-T2  2.4 V ± 2.0 % S-817A24APF-CUNTFG S-817A24ANB-CUN-T2  2.5 V ± 2.0 % S-817A25APF-CUOTFG S-817A25ANB-CUO-T2  2.6 V ± 2.0 % S-817A26APF-CUPTFG S-817A26ANB-CUP-T2  2.7 V ± 2.0 % S-817A27APF-CUQTFG S-817A27ANB-CUQ-T2  2.8 V ± 2.0 % S-817A28APF-CURTFG S-817A28ANB-CUR-T2  2.9 V ± 2.0 % S-817A29APF-CUSTFG S-817A29ANB-CUS-T2  3.0 V ± 2.0 % S-817A30APF-CUTTFG S-817A30ANB-CUT-T2  3.1 V ± 2.0 % S-817A31APF-CUUTFG S-817A31ANB-CUU-T2  3.2 V ± 2.0 % S-817A32APF-CUVTFG S-817A32ANB-CUV-T2  3.3 V ± 2.0 % S-817A33APF-CUWTFG S-817A33ANB-CUW-T2  3.4 V ± 2.0 % S-817A34APF-CUXTFG S-817A34ANB-CUX-T2  3.5 V ± 2.0 % S-817A35APF-CUYTFG S-817A35ANB-CUY-T2  3.6 V ± 2.0 % S-817A36APF-CUZTFG S-817A36ANB-CUZ-T2  3.7 V ± 2.0 % S-817A37APF-CVATFG S-817A37ANB-CVA-T2  3.8 V ± 2.0 % S-817A38APF-CVBTFG S-817A38ANB-CVB-T2  3.9 V ± 2.0 % S-817A39APF-CVCTFG S-817A39ANB-CVC-T2  4.0 V ± 2.0 % S-817A40APF-CVDTFG S-817A40ANB-CVD-T2  4.1 V ± 2.0 % S-817A41APF-CVETFG S-817A41ANB-CVE-T2  4.2 V ± 2.0 % S-817A42APF-CVFTFG S-817A42ANB-CVF-T2  4.3 V ± 2.0 % S-817A43APF-CVGTFG S-817A43ANB-CVG-T2  4.4 V ± 2.0 % S-817A44APF-CVHTFG S-817A44ANB-CVH-T2  4.5 V ± 2.0 % S-817A45APF-CVITFG S-817A45ANB-CVI-T2  4.6 V ± 2.0 % S-817A46APF-CVJTFG S-817A46ANB-CVJ-T2  4.7 V ± 2.0 % S-817A47APF-CVKTFG S-817A47ANB-CVK-T2  4.8 V ± 2.0 % S-817A48APF-CVLTFG S-817A48ANB-CVL-T2  4.9 V ± 2.0 % S-817A49APF-CVMTFG S-817A49ANB-CVM-T2  5.0 V ± 2.0 % S-817A50APF-CVNTFG S-817A50ANB-CVN-T2  5.1 V ± 2.0 % S-817A51APF-CVOTFG S-817A51ANB-CVO-T2  5.2 V ± 2.0 % S-817A52APF-CVPTFG S-817A52ANB-CVP-T2  5.3 V ± 2.0 % S-817A53APF-CVQTFG S-817A53ANB-CVQ-T2  5.4 V ± 2.0 % S-817A54APF-CVRTFG S-817A54ANB-CVR-T2  5.5 V ± 2.0 % S-817A55APF-CVSTFG S-817A55ANB-CVS-T2  5.6 V ± 2.0 % S-817A56APF-CVTTFG S-817A56ANB-CVT-T2  5.7 V ± 2.0 % S-817A57APF-CVUTFG S-817A57ANB-CVU-T2  5.8 V ± 2.0 % S-817A58APF-CVVTFG S-817A58ANB-CVV-T2  5.9 V ± 2.0 % S-817A59APF-CVWTFG S-817A59ANB-CVW-T2  6.0 V ± 2.0 % S-817A60APF-CVXTFG S-817A60ANB-CVX-T2  Remark Please contact the SII marketing department for products with an output voltage over than those specified above.

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 6 2. 2 S-817B series Table 2 Output voltage SOT-23-5 SOT-89-3 TO-92*1 1.1 V ± 2.0 % S-817B11AMC-CWA-T2 S-817B11AUA-CWA-T2 S-817B11AY-X 1.2 V ± 2.0 % S-817B12AMC-CWB-T2 S-817B12AUA-CWB-T2 S-817B12AY-X 1.3 V ± 2.0 % S-817B13AMC-CWC-T2 S-817B13AUA-CWC-T2 S-817B13AY-X 1.4 V ± 2.0 % S-817B14AMC-CWD-T2 S-817B14AUA-CWD-T2 S-817B14AY-X 1.5 V ± 2.0 % S-817B15AMC-CWE-T2 S-817B15AUA-CWE-T2 S-817B15AY-X 1.6 V ± 2.0 % S-817B16AMC-CWF-T2 S-817B16AUA-CWF-T2 S-817B16AY-X 1.7 V ± 2.0 % S-817B17AMC-CWG-T2 S-817B17AUA-CWG-T2 S-817B17AY-X 1.8 V ± 2.0 % S-817B18AMC-CWH-T2 S-817B18AUA-CWH-T2 S-817B18AY-X 1.9 V ± 2.0 % S-817B19AMC-CWI-T2 S-817B19AUA-CWI-T2 S-817B19AY-X 2.0 V ± 2.0 % S-817B20AMC-CWJ-T2 S-817B20AUA-CWJ-T2 S-817B20AY-X 2.1 V ± 2.0 % S-817B21AMC-CWK-T2 S-817B21AUA-CWK-T2 S-817B21AY-X 2.2 V ± 2.0 % S-817B22AMC-CWL-T2 S-817B22AUA-CWL-T2 S-817B22AY-X 2.3 V ± 2.0 % S-817B23AMC-CWM-T2 S-817B23AUA-CWM-T2 S-817B23AY-X 2.4 V ± 2.0 % S-817B24AMC-CWN-T2 S-817B24AUA-CWN-T2 S-817B24AY-X 2.5 V ± 2.0 % S-817B25AMC-CWO-T2 S-817B25AUA-CWO-T2 S-817B25AY-X 2.6 V ± 2.0 % S-817B26AMC-CWP-T2 S-817B26AUA-CWP-T2 S-817B26AY-X 2.7 V ± 2.0 % S-817B27AMC-CWQ-T2 S-817B27AUA-CWQ-T2 S-817B27AY-X 2.8 V ± 2.0 % S-817B28AMC-CWR-T2 S-817B28AUA-CWR-T2 S-817B28AY-X 2.9 V ± 2.0 % S-817B29AMC-CWS-T2 S-817B29AUA-CWS-T2 S-817B29AY-X 3.0 V ± 2.0 % S-817B30AMC-CWT-T2 S-817B30AUA-CWT-T2 S-817B30AY-X 3.1 V ± 2.0 % S-817B31AMC-CWU-T2 S-817B31AUA-CWU-T2 S-817B31AY-X 3.2 V ± 2.0 % S-817B32AMC-CWV-T2 S-817B32AUA-CWV-T2 S-817B32AY-X 3.3 V ± 2.0 % S-817B33AMC-CWW-T2 S-817B33AUA-CWW-T2 S-817B33AY-X 3.4 V ± 2.0 % S-817B34AMC-CWX-T2 S-817B34AUA-CWX-T2 S-817B34AY-X 3.5 V ± 2.0 % S-817B35AMC-CWY-T2 S-817B35AUA-CWY-T2 S-817B35AY-X 3.6 V ± 2.0 % S-817B36AMC-CWZ-T2 S-817B36AUA-CWZ-T2 S-817B36AY-X 3.7 V ± 2.0 % S-817B37AMC-CXA-T2 S-817B37AUA-CXA-T2 S-817B37AY-X 3.8 V ± 2.0 % S-817B38AMC-CXB-T2 S-817B38AUA-CXB-T2 S-817B38AY-X 3.9 V ± 2.0 % S-817B39AMC-CXC-T2 S-817B39AUA-CXC-T2 S-817B39AY-X 4.0 V ± 2.0 % S-817B40AMC-CXD-T2 S-817B40AUA-CXD-T2 S-817B40AY-X 4.1 V ± 2.0 % S-817B41AMC-CXE-T2 S-817B41AUA-CXE-T2 S-817B41AY-X 4.2 V ± 2.0 % S-817B42AMC-CXF-T2 S-817B42AUA-CXF-T2 S-817B42AY-X 4.3 V ± 2.0 % S-817B43AMC-CXG-T2 S-817B43AUA-CXG-T2 S-817B43AY-X 4.4 V ± 2.0 % S-817B44AMC-CXH-T2 S-817B44AUA-CXH-T2 S-817B44AY-X 4.5 V ± 2.0 % S-817B45AMC-CXI-T2 S-817B45AUA-CXI-T2 S-817B45AY-X 4.6 V ± 2.0 % S-817B46AMC-CXJ-T2 S-817B46AUA-CXJ-T2 S-817B46AY-X 4.7 V ± 2.0 % S-817B47AMC-CXK-T2 S-817B47AUA-CXK-T2 S-817B47AY-X 4.8 V ± 2.0 % S-817B48AMC-CXL-T2 S-817B48AUA-CXL-T2 S-817B48AY-X 4.9 V ± 2.0 % S-817B49AMC-CXM-T2 S-817B49AUA-CXM-T2 S-817B49AY-X 5.0 V ± 2.0 % S-817B50AMC-CXN-T2 S-817B50AUA-CXN-T2 S-817B50AY-X 5.1 V ± 2.0 % S-817B51AMC-CXO-T2 S-817B51AUA-CXO-T2 S-817B51AY-X 5.2 V ± 2.0 % S-817B52AMC-CXP-T2 S-817B52AUA-CXP-T2 S-817B52AY-X 5.3 V ± 2.0 % S-817B53AMC-CXQ-T2 S-817B53AUA-CXQ-T2 S-817B53AY-X 5.4 V ± 2.0 % S-817B54AMC-CXR-T2 S-817B54AUA-CXR-T2 S-817B54AY-X 5.5 V ± 2.0 % S-817B55AMC-CXS-T2 S-817B55AUA-CXS-T2 S-817B55AY-X 5.6 V ± 2.0 % S-817B56AMC-CXT-T2 S-817B56AUA-CXT-T2 S-817B56AY-X 5.7 V ± 2.0 % S-817B57AMC-CXU-T2 S-817B57AUA-CXU-T2 S-817B57AY-X 5.8 V ± 2.0 % S-817B58AMC-CXV-T2 S-817B58AUA-CXV-T2 S-817B58AY-X 5.9 V ± 2.0 % S-817B59AMC-CXW-T2 S-817B59AUA-CXW-T2 S-817B59AY-X 6.0 V ± 2.0 % S-817B60AMC-CXX-T2 S-817B60AUA-CXX-T2 S-817B60AY-X *1. X changes according to the packing form in TO-92. B: Bulk, T: Tape and Reel, Z: Tape and ammo.

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 7 Pin Configurations Table 3 Pin No. Symbol Description

1 VOUT Output voltage pin

2 VIN Input voltage pin

3 VSS GND pin

4 NC*1 No connection

*1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Figure 3 Table 4 Pin No. Symbol Description

1 VSS GND pin

3 VOUT Output voltage pin

*1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Figure 4 Table 5 Pin No. Symbol Description

4 NC *1 No connection

5 NC *1 No connection

*1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Figure 5 Table 6 Pin No. Symbol Description

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 8 Table 7 Pin No. Symbol Description Absolute Maximum Ratings Table 8 (Ta=25°C unless otherwise specified) Item Symbol Absolute Maximum Rating Units Input voltage V IN VSS−0.3 to VSS+12 V Output voltage V OUT VSS−0.3 to VIN+0.3 V Power dissipation P D SNT-4A 300 *1 mW SC-82AB 150 SOT-23-5 250 SOT-89-3 500 TO-92 400 Operating temperature range Topr −40 to +85 °C Storage temperature Tstg −40 to +125 °C *1. At mounted on JEDEC high heat dissipation printed circuit board Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions.

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 9 Electrical Characteristics 1. S-817A series Table 9 (Ta=25°C unless otherwise specified) Item Symbol Conditions Min. Typ. Max. Units Measur- ement circuits Output voltage *1 V OUT(E) V IN=VOUT(S)+2 V, IOUT=10 mA VOUT(S) × 0.98 VOUT(S) VOUT(S) × 1.02 V 1 Output current *2 I OUT V OUT(S)+2 V 1.1 V ≤ VOUT(S) ≤ 1.9 V 20 − − mA 3 ≤ VIN≤10 V 2.0 V ≤ VOUT(S) ≤ 2.9 V 35 − − Dropout voltage *3 V drop I OUT = 10 mA1.1 V ≤ VOUT(S) ≤ 1.4 V − 0.92 1.58 V 1 Line regulation 1 ∆ VOUT1 VOUT(S) + 1 V ≤ VIN ≤ 10 V, IOUT = 1 mA − 5 20 mV Line regulation 2 ∆ VOUT2 VOUT(S) + 1 V ≤ VIN ≤ 10 V, IOUT = 1 µA − 5 20 Load regulation ∆ VOUT3 VIN=VOUT(S)+ 2 V 1.1 V ≤ VOUT(S) ≤ 1.9 V, 1 µA ≤ IOUT ≤ 10 mA − 5 20 2.0 V ≤ VOUT(S) ≤ 2.9 V, 1 µA ≤ IOUT ≤ 20 mA − 10 30 3.0 V ≤ VOUT(S) ≤ 3.9 V, 1 µA ≤ IOUT ≤ 30 mA − 20 45 4.0 V ≤ VOUT(S) ≤ 4.9 V, 1 µA ≤ IOUT ≤ 40 mA − 25 65 5.0 V ≤ VOUT(S) ≤ 6.0 V, 1 µA ≤ IOUT ≤ 50 mA − 35 80 Output voltage temperature coefficient *4 OUT OUT VTa V ∆ VIN = VOUT(S) + 1 V, IOUT = 10 mA, /°C Current consumption I SS V IN = VOUT(S) + 2 V, no load − 1.2 2.5 µA 2 Input voltage V IN − − − 10 V 1 Short current limit I OS V IN = VOUT(S) + 2 V, VOUT pin = 0 V − 40 − mA 3 *1. V OUT(S): Specified output voltage V OUT(E): Effective output voltage i.e., the output voltage when fixing IOUT(=10 mA) and inputting VOUT(S)+2.0 V. *2. Output current at which output voltage becomes 95 % of VOUT(E) after gradually increasing output current. *3. V drop = VIN1−(VOUT(E) × 0.98), where VIN1 is the Input voltage at which output voltage becomes 98% of VOUT(E) after gradually decreasing input voltage. *4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. VTa VVVCmV/ Ta V OUT OUT OUT(S) OUT ∆×=° 3*2*1* *1. Temperature change ratio of the output voltage *2. Specified output voltage *3. Output voltage temperature coefficient

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 10 2. S-817B series Table 10 (Ta=25°C unless otherwise specified) Item Symbol Conditions Min. Typ. Max. Units Measur- ement circuits Output voltage *1 V OUT(E) V IN=VOUT(S)+2 V, IOUT=10 mA VOUT(S) × 0.98 VOUT(S) VOUT(S) × 1.02 V 1 Output current *2 I OUT V OUT(S)+2 V 1.1 V ≤ VOUT(S) ≤ 1.9 V 20 − − mA 3 ≤ VIN≤10 V 2.0 V ≤ VOUT(S) ≤ 2.9 V 35 − − Dropout voltage *3 V drop IOUT = 10 mA 1.1 V ≤ VOUT(S) ≤ 1.4 V − 0.92 1.58 V 1 Line regulation 1 ∆ VOUT1 VOUT(S) + 1 V ≤ VIN ≤ 10 V, IOUT = 1 mA − 5 20 mV Line regulation 2 ∆ VOUT2 V OUT(S) + 1 V ≤ VIN ≤ 10 V, IOUT = 1 µA − 5 20 Load regulation ∆ VOUT3 VIN=VOUT(S)+ 2 V 1.1 V ≤ VOUT(S) ≤ 1.9 V, 1 µA ≤ IOUT ≤ 10 mA − 5 20 2.0 V ≤ VOUT(S) ≤ 2.9 V, 1 µA ≤ IOUT ≤ 20 mA − 10 30 3.0 V ≤ VOUT(S) ≤ 3.9 V, 1 µA ≤ IOUT ≤ 30 mA − 20 45 4.0 V ≤ VOUT(S) ≤ 4.9 V, 1 µA ≤ IOUT ≤ 40 mA − 25 65 5.0 V ≤ VOUT(S) ≤ 6.0 V, 1 µA ≤ IOUT ≤ 50 mA − 35 80 Output voltage temperature coefficient *4 OUT OUT VTa V ∆ VIN = VOUT(S) + 1 V, IOUT = 10 mA, /°C Current consumption I SS V IN = VOUT(S) + 2 V, no load − 1.2 2.5 µA 2 Input voltage V IN − − − 10 V 1 *1. V OUT(S): Specified output voltage V OUT(E): Effective output voltage i.e., the output voltage when fixing IOUT(=10 mA) and inputting VOUT(S)+2.0 V. *2. Output current at which output voltage becomes 95 % of VOUT(E) after gradually increasing output current. *3. V drop = VIN1−(VOUT(E) × 0.98), where VIN1 is the Input voltage at which output voltage becomes 98% of VOUT(E) after gradually decreasing input voltage. *4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. VTa VVVCmV/ Ta V OUT OUT OUT(S) OUT ∆×=° 3*2*1* *1. Temperature change ratio of the output voltage *2. Specified output voltage *3. Output voltage temperature coefficient

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 12 Explanation of Terms 1. Low ESR ESR is the abbreviation for Equivalent Series Resistance. Low ESR output capacitors (CL) can be used in the S-817 Series. 2. Output voltage (VOUT) The accuracy of the output voltage is ±2.0% guaranteed under the specified conditions for input voltage, which differs depending upon the product items, output current, and temperature. Caution If the above conditions change, the output voltage value may vary and go out of the accuracy range of the output voltage. See the electrical characteristics and characteristics data for details. 3. Line regulations 1 and 2 ( ∆VOUT1, ∆VOUT2) Indicate the input voltage dependencies of output voltage. That is, the values show how much the output voltage changes due to a change in the input voltage with the output current remained unchanged. 4. Load regulation ( ∆VOUT3) Indicates the output current dependencies of output voltage. That is, the values show how much the output voltage changes due to a change in the output current with the input voltage remained unchanged. 5. Dropout voltage (V drop) Indicates a difference between input voltage (VIN1) and output voltage when output voltage falls by 98% of VOUT(E) by gradually decreasing the input voltage (VIN). Vdrop = VIN1−[VOUT(E) × 0.98]

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 13 6. Temperature coefficient of output voltage 

OUT OUT V∆Ta The shadowed area in Figure 12 is the range where VOUT varies in the operating temperature range when the temperature coefficient of the output voltage is ±100 ppm/°C. VOUT(E) Ex. S-817A15 Typ. −40 25 +0.15 mV / °C VOUT [V] *1. VOUT(E) is the value of the output voltage measured at 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. [] [ ] [] 1000Cppm/VTa VVVCmV/Ta V OUT OUT OUT(S) OUT ÷°•∆ ∆×=°∆ ∆ 3*2**1 *1. Change in temperature of output voltage *2. Specified output voltage *3. Output voltage temperature coefficient

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 17 The S-817 Series can be configured as a constant current circuit. Refer to Figure 15 and 16. Constant amperage (IO) is calculated using the following equation (VOUT(E): Effective output voltage): IO = (VOUT(E) ÷ RL) +ISS. Please note that it is impossible to set constant amperage I O in case of circuit (1) of Figure 15 to the value exceeding the drive ability of the S-817. However, circuit (2) of Figure 16 is an example to set constant amperage to the value exceeding the drive ability of the S-817. Circuit (2) incorporates a current boosting circuit. The maximum input voltage of the constant current circuit is the value obtained by adding 10 V to voltage of the device (V O). It is not recommended to attach a capacitor between the S-817 power source VIN and VSS pin or between output VOUT and VSS pin because rush current flows at powering on. An example of input voltage between V IN and VO in circuit (2) vs. IO current characteristics VIN, VO pins, Input voltage - IO current S-817A11ANB, S-817B11AMC, Tr : 2SK1213Y, R1 : 1 kΩ, VO=2 V 0.00 0.10 0.20 0.30 0.40 0.50 0.60 VIN−VO(V) IO(A) RL=1.83 Ω 2.2 Ω 2.75 Ω 3.67 Ω 5.5 Ω 11 Ω

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 18 3. Output Voltage Adjustment Circuit (Only for S817B Series (Product without short circuit protection)) GND VOUT VIN VIN CL CIN VSS S-817 Series Figure 17 The output voltage can be boosted by using the configuration shown in Figure 17. The output Voltage (VO) can be calculated using the following equation (VOUT(E):Effective output voltage): V O = VOUT(E) × (R1 + R2) ÷ R1 + R2 × ISS Set R1 and R2 to high values of resistance so as not to be affected by current consumption (ISS). Capacitor C1 is effective in minimizing output fluctuation at powering on or due to power or load fluctuation. Determine the optimum value on your actual device. But it is not also recommended to attach a capacitor between the S-817 Series power source VIN and VSS pin or between output VOUT and VSS pin because output fluctuation or oscillation at powering on might occur. As shown in Figure 17, a capacitor must be mounted between VIN and GND, and between VOUT and GND. Precautions

Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low. When mounting an output capacitor between the VOUT and VSS pins (C L) and a capacitor for stabilizing the input between VIN and VSS pins (C IN), the distance from the capacitors to these pins should be as short as possible.
Note that the output voltage may increase when a se ries regulator is used at low load current (1.0 µA or less).
Generally a series regulator may cause oscillation, depending on the selection of external parts. The following conditions are recommended for this IC. However, be sure to perform sufficient evaluation under the actual usage conditions for selection, including evaluation of temperature characteristics. Output capacitor (CL) : 0.1 µF or more Equivalent Series Resistance (ESR) : 30 Ω or less Input series resistance (RIN) : 10 Ω or less
The voltage regulator may oscillate when the imp edance of the power supply is high and the input capacitor is small or an input capacitor is not connected.
The application conditions for the input voltage, out put voltage, and load current should not exceed the package power dissipation.
Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit.
SII claims no responsibility for any disputes arisin g out of or in connection with any infringement by products including this IC of patents owned by a third party.

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 19 Typical Characteristics 1. Output Voltage vs. Output Current (when load current increases) (a) S-817A Series S-817A11A (Ta=25 ° C) 0.0 0.3 0.6 0.9 1.2 0 20 40 60 80 I OUT (mA) V OUT (V) V IN = 1.5V 2.1V 3.1V 4.1V S-817A20A (Ta=25 ° C) 0.0 0.5 1.0 1.5 2.0 2.5 0 30 60 90 120 I OUT (mA) V IN= 2.4V 10V 5V 4V V OUT (V) S-817A30A (Ta=25 ° C) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 30 60 90 120 150 IOUT (mA) V IN = 3.4V 10V V OUT (V) S-817A50A (Ta=25 ° C) 0.0 1.0 2.0 3.0 4.0 5.0 0 40 80 120 160 200 IOUT (mA) V IN =5.4V 10V V OUT (V) (b) S-817B series S-817B11A (Ta=25°C) 0.0 0.3 0.6 0.9 1.2 0 50 100 150 200 250 IOUT (mA) VOUT (V) VIN= 1.5V 2.1V 3.1V 4.1V S-817B20A (Ta=25°C) 0.0 0.5 1.0 1.5 2.0 2.5 0 50 100 150 200 250 300 IOUT (mA) VOUT (V) V IN=2.4V 3V 4V 10V S-817B30A (Ta=25°C) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 50 100 150 200 250 300 IOUT (mA) VOUT (V) VIN= 3.4V 5V 6V 10V S-817B50A (Ta=25°C) 0.0 1.0 2.0 3.0 4.0 5.0 0 50 100 150 200 250 300 IOUT (mA) VOUT (V) VIN =5.4V 7V 8V 10V

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 20 2. Output Voltage vs. Input Voltage S-817A11A/S-817B11A (Ta=25°C) 0.0 0.5 1.0 1.5 0 2 4 6 8 10 V IN (V) I OUT 1mA 10mA 20mA =1 µ A V OUT (V) S-817A20A/S-817B20A (Ta=25°C) 0.0 0.5 1.0 1.5 2.0 2.5 0 2 4 6 8 10 V IN (V) I OUT =1 µ A 1mA 10mA 20mA 50mA V OUT (V) S-817A30A/S-817B30A (Ta=25°C) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 2 4 6 8 10 V IN (V) I OUT =1 µ A 1mA 20mA 50mA 10mA V OUT (V) S-817A50A/S-817B50A (Ta=25°C) 0.0 1.0 2.0 3.0 4.0 5.0 0 2 4 6 8 10 V IN (V) I OUT =1 µ A 1mA 10mA 20mA 50mA V OUT (V)

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 21 3. Maximum Output Current vs. Input Voltage (a) S-817A Series S-817A11A 100 0 2 4 6 8 10 V IN (V) I OUT max.(mA) Ta=-40 ° C 25 ° C 85 ° C S-817A20A 100 120 1 3 5 7 9 V IN (V) Ta=-40 ° C 25 ° C 85 ° C I OUT max.(mA) S-817A30A 120 150 180 2 4 6 8 10 V IN (V) Ta=-40 ° C 25 ° C 85 ° C I OUT max.(mA) S-817A50A 100 150 200 250 4 6 8 10 V IN (V) Ta=-40 ° C 25 ° C 85 ° C I OUT max.(mA) (b) S-817B Series S-817B11A 100 150 200 250 300 0 2 4 6 8 10 VIN (V) IOUT max.(mA) Ta=-40°C 25°C 85°C S-817B20A 100 150 200 250 300 0 2 4 6 8 10 VIN (V) IOUT max.(mA) Ta=-40°C 25°C 85°C S-817B30A 100 150 200 250 300 2 4 6 8 10 VIN (V) IOUT max.(mA) Ta=-40°C 25°C 85°C S-817B50A 100 150 200 250 300 4 6 8 10 VIN (V) IOUT max.(mA) Ta=-40°C 25°C 85°C

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 22 4. Dropout Voltage vs. Output Current S-817A11A/S-817B11A 500 1000 1500 2000 0 5 10 15 20 IOUT (mA) Vdrop (mV) Ta=-40°C 25°C 85°C S-817A20A/S-817B20A 500 1000 1500 2000 0 10 20 30 40 IOUT (mA) Vdrop (mV) Ta=-40°C 25°C 85°C S-817A30A/S-817B30A 400 800 1200 1600 0 10 20 30 40 50 IOUT (mA) Vdrop (mV) Ta=-40°C 25°C 85°C S-817A50A/S-817B50A 200 400 600 800 1000 0 10 20 30 40 50 IOUT (mA) Vdrop (mV) Ta=-40°C 25°C 85°C 5. Output Voltage vs. Ambient Temperature S-817A11A/S-817B11A 1.08 1.09 1.10 1.11 1.12 -50 0 50 100 Ta (°C) (V) VOUT VIN=3.1V, IOUT=10mA S-817A20A/S-817B20A 1.96 1.98 2.00 2.02 2.04 -50 0 50 100 Ta (°C) (V) VIN=4V, IOUT=10mA VOUT S-817A30A/S-817B30A 2.94 2.97 3.00 3.03 3.06 -50 0 50 100 Ta (°C) (V) VIN=5V, IOUT=10mA VOUT S-817A50A/S-817B50A 4.90 4.95 5.00 5.05 5.10 -50 0 50 100 Ta (°C) (V) VIN=7V, IOUT=10mA VOUT

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 23 6. Line Regulation 1 vs. Ambient Temperature 7. Line Regulation 2 vs. Ambient Temperature S-817B11/20/30/50A S-817A11/20/30/50A -50 -25 0 25 50 75 100 Ta (°C) ∆VOUT1 (mV) 3V 2V VOUT=1.1V 5V VIN=VOUT(S)+1V↔10V, IOUT=1mA S-817B11/20/30/50A S-817A11/20/30/50A -50 -25 0 25 50 75 100 Ta (°C) ∆VOUT2 (mV) 3V 2V VOUT=1.1V 5V VIN=VOUT(S)+1V↔10V, IOUT=1µA 8. Load Regulation vs. Ambient Temperature S-817B11/20/30/50A S-817A11/20/30/50A -50 -25 0 25 50 75 100 Ta (°C) ∆VOUT3 (mV) 2V(IOUT=20mA) VOUT=1.1V(IOUT=10mA) 3V(IOUT=30mA) 5V(IOUT=50mA) VIN=VOUT(S)+2V, IOUT=1µA↔IOUT

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 24 9. Current Consumption vs. Input Voltage S-817A11A/S-817B11A 0.4 0.8 1.2 1.6 0 2 4 6 8 10 VIN (V) ISS1 (µA) 85°C Ta=-40°C 25°C S-817A20A/S-817B20A 0.4 0.8 1.2 1.6 0 2 4 6 8 10 VIN (V) ISS1 (µA) Ta=-40°C 25°C 85°C S-817A30A/S-817B30A 0.4 0.8 1.2 1.6 0 2 4 6 8 10 VIN (V) ISS1 (µA) Ta=-40°C 25°C 85°C S-817A50A/S-817B50A 0.4 0.8 1.2 1.6 0 2 4 6 8 10 VIN (V) ISS1 (uA) Ta=-40°C 25°C 85°C

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 25 Reference Data 1. Transient Response Characteristics (Typical data: Ta=25 °C) Overshoot Input voltage O utput voltage or Load current Undershoot 1. 1 At powering on S-817A30A (when using a ceramic capacitor, CL=1 µF) TIME(100 µs/div) VOUT (0.5 V/div) 10 V 0 V 3 V VIN=0 V→10 V, IOUT=10 mA, CL=1 µF Load dependencies of overshoot at powering on C L dependencies of overshoot at powering on 0.01 0.02 0.03 0.04 0.05 IOUT(A) Over Shoot(V) VOUT=0 V→VOUT(S)+2 V, CL=1 µF 0.01 0.02 0.03 0.04 0.05 0.01 0.1 1 CL(µF) Over Shoot(V) 2V VIN=0 V→VOUT(S)+2 V, IOUT=10 mA VDD dependencies of overshoot at powering on “T a” dependencies of overshoot at powering on 0.01 0.02 0.03 0.04 0.05 0 2 4 6 8 10 VDD(V) Over Shoot(V) VIN=0 V→VDD, IOUT=10 mA, CL=1 µF 0.01 0.02 0.03 0.04 0.05 -50 0 50 100 Ta(°C) Over Shoot(V) VIN=0 V→VOUT(S)+2 V, IOUT=10 mA, CL=1 µF

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 26 1. 2 At powering on S-817B30A (when using a ceramic capacitor, CL=1 µF) VIN=0 V→10 V, IOUT=10 mA, CL=1 µF TIME(100 µs/div) VOUT (0.5 V/div) 10 V 0 V 3 V Load dependencies of overshoot at powering on C L dependencies of overshoot at powering on 0.01 0.02 0.03 0.04 0.05 IOUT(A) Over Shoot(V) VIN=0 V→VOUT(S)+2 V, CL=1 µF 0.01 0.02 0.03 0.04 0.05 0.01 0.1 1 10 CL(µF) Over Shoot(V) 2V3V VIN=0 V→VOUT(S)+2 V, IOUT=10 mA VDD dependencies of overshoot at powering on “T a” dependencies of overshoot at powering on 0.01 0.02 0.03 0.04 0.05 0 2 4 6 8 10 VDD(V) Over Shoot(V) VIN=0 V→VDD, IOUT=10 mA, CL=1 µF 0.01 0.02 0.03 0.04 0.05 -50 0 50 100 Ta(°C) Over Shoot(V) 2V 3V 5V VIN=0 V→VOUT(S)+2 V, IOUT=10 mA, CL=1 µF

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 27 1. 3 Power fluctuation S-817A30A / S-817B30A (when using a ceramic capacitor, CL=1 µF) VIN=4 V→10 V,IOUT=1 mA, CL=1 µF TIME(200 µ s/div) V OUT (0.2 V/div) 10 V 4 V 3 V Load dependencies of overshoot at power fluctuation C L dependencies of overshoot at power fluctuation 0.1 0.2 0.3 0.4 0.5 IOUT(A) Over Shoot(V) 2 V 3 V 5 V VIN=VOUT(S)+1 V→ VOUT(S)+2 V, CL=1 µF 0.2 0.4 0.6 0.8 0.01 0.1 1 10 CL(µF) Over Shoot(V) 2 V 3 V 5 V VIN=VOUT(S)+1 V→VOUT(S)+2 V, IOUT=1 mA VDD dependencies of overshoot at power fluctuation “Ta” dependencies of overshoot at power fluctuation 0.2 0.4 0.6 0.8 0 2 4 6 8 10 VDD(V) Over Shoot(V) VIN=VOUT(S)+1 V→VDD, IOUT=1 mA, CL=1 µF 0.2 0.4 0.6 0.8 -50 0 50 100 Ta(°C) Over Shoot(V) VIN=VOUT(S)+1 V→VOUT(S)+2 V, IOUT=1 mA, CL=1 µF

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 28 VIN=10 V→4 V,IOUT=1 mA, CL=1 µF TIME(50 µs/div) V OUT (0.02 V/div) 10 V 3 V 4 V Load dependencies of undershoot at power fluctuation C L dependencies of undershoot at power fluctuation 0.1 0.2 0.3 0.4 0.5 IOUT(A) Under Shoot(V) VIN=VOUT(S)+2 V→VOUT(S)1 V, CL=1 µF 0.2 0.4 0.6 0.8 0.01 0.1 1 10 CL(µF) Under Shoot(V) 2V VIN=VOUT(S)+2 V→VOUT(S)+1 V, IOUT=1 mA VDD dependencies of undershoot at power fluctuation “Ta” dependencies of undershoot at power fluctuation 0.02 0.04 0.06 0.08 0.1 0 2 4 6 8 10 VDD(V) Under Shoot(V) VIN=VDD→VOUT(S)+1 V, IOUT=1 mA, CL=1 µF 0.02 0.04 0.06 0.08 0.1 -50 0 50 100 Ta(°C) Under Shoot(V) 2V VIN=VOUT(S)+2 V→VOUT(S)+1 V, IOUT=1 mA, CL=1 µF

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Rev.3.0_00 S-817 Series Seiko Instruments Inc. 29 1. 4 Load fluctuation S-817A30A/S-817B30A (when using a ceramic capacitor, CL=1 µF) IOUT=30 mA→10 µA,V IN=5 V, CL=1 µF TIME(20 ms/div) V OUT (0.2 V/div) 10 µA 3 V 30 mA Load current dependencies of overshoot at load fluctuation CL dependencies of overshoot at load fluctuation 0.5 1.5 IOUT(A) Over Shoot(V) 2V 3V VIN=VOUT(S)+2 V, IOUT=IL→ 10 µA, CL=1 µF 0.2 0.4 0.6 0.8 0.01 0.1 1 10 CL(µF) Over Shoot(V) VIN=VOUT(S)+2 V, IOUT=10 mA→10 µA VDD dependencies of overshoot at load fluctuation “Ta” dependencies of overshoot at load fluctuation 0.05 0.1 0.15 0.2 0 2 4 6 8 10 VDD(V) Over Shoot(V) 2V 3V VIN=VDD, IOUT=10 mA,→10 µA, CL=1 µF 0.05 0.1 0.15 0.2 -50 0 50 100 Ta(°C) Over Shoot(V) VIN=VOUT(S)+2 V, IOUT=10 mA→10 µA, CL=1 µF

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Rev.3.0_00 Seiko Instruments Inc. 30 IOUT=10 µA→30mA, VIN=5V, CL=1 µF TIME(50 ms/div) VOUT (0.2V/div) 30mA 10µA Load current dependencies of undershoot at load fluctuation CL dependencies of undershoot at load fluctuation 0.5 1.5 IOUT(A) Under Shoot(V) VIN=VOUT(S)+2 V, IOUT=10 µA→IL, CL=1 µA 0.2 0.4 0.6 0.8 1.2 1.4 0.01 0.1 1 CL(µF) Under Shoot(V) VIN=VOUT(S)+2 V, IOUT=10 µA→10 mA VDD dependencies of undershoot at load fluctuation “Ta” dependencies of undershoot at load fluctuation 0.1 0.2 0.3 0.4 0.5 0 2 4 6 8 10 VDD(V) Under Shoot(V) 3V 5V VIN=VDD, IOUT=10 µA→10 mA, CL=1 µF 0.1 0.2 0.3 0.4 0.5 -50 0 50 100 Ta(°C) Under Shoot(V) VIN=VOUT(S)+2 V, IOUT=10 µA →10 mA, CL=1 µF

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The information described herein is subject to change without notice.
Seiko Instruments Inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. The application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design.
When the products described herein are regulated products subject to the Wassenaar Arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority.
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Product Information

S817 specifications and overview.

Summary

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR

Description

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR

Source title S817 Datasheet(PDF) - Seiko Instruments Inc

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