R1122N4.2B-TR Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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R1122N4.2B-TR

LOW NOISE 150mA LDO REGULATOR

RICOH Co.,Ltd. 

n OPERATION

R1122XX1A

3

VDD

CE

4

Vref

Current Limit

1

VOUT

3

VDD

R1

R2 GND

CE

2

4

R1122XX1B

Vref

Current Limit

1

VOUT

R1

R2 GND

2

In these ICs, fluctuation of Output Voltage, VOUT is detected by Feed-back Registers, R1 and R2, and the result is compared

with a reference voltage by Error Amplifier, so that a constant voltage is output.

A current limit circuit for protection at short mode, and a chip enable circuit are included.

Rev. 1.10

-6-

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