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S-T111 - HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR

General Description

1 ON/OFF Shutdown pin 2 VSS GND pin 3 NC 1 No connection 4 VOUT Output voltage pin 5 VIN Input voltage pin

1.

The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

Absolute Maximum Ratings Table 3 Item Input voltage Output voltage Power di

Key Features

  • s 1.5 V to 5.5 V, selectable in 0.1 V steps. ±1.0% 190 mV typ. (3.0 V output product, IOUT = 100 mA) During operation: 50 μA typ. , 90 μA max. During shutdown: 0.1 μA typ. , 1.0 μA max.
  • High peak current capability: 150 mA output is possible (at VIN ≥ VOUT(S) + 1.0 V).
  • 1 Ensures long battery life.
  • Built-in ON/OFF circuit:.
  • Low ESR capacitor can be used: A ceramic capacitor of 0.1 μF or more can be used for the output capacitor. 80 dB typ. (at 1.0 kHz).
  • High.

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Datasheet Details

Part number S-T111
Manufacturer Seiko Instruments
File Size 286.82 KB
Description HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Datasheet download datasheet S-T111 Datasheet

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Full PDF Text Transcription (Reference)

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Rev.2.1_00 HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR S-T111 Series The S-T111 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current consumption developed based on CMOS technology. A built-in low on-resistance transistor provides a low dropout voltage and large output current, and a builtin overcurrent protector prevents the load current from exceeding the current capacitance of the output transistor. An ON/OFF circuit ensures a long battery life. Compared with the voltage regulators using the conventional CMOS process, a larger variety of capacitors are available, including small ceramic capacitors. A small SOT-23-5 package realizes highdensity mounting. „ Features 1.5 V to 5.5 V, selectable in 0.1 V steps. ±1.