R1230D001C 查看數據表（PDF） - RICOH Co.,Ltd.

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R1230D001C

PWM/VFM step-down DC/DC converter with Synchronous Rectifier

RICOH Co.,Ltd. 

n BLOCK DIAGRAM

lR1230DXX1A/B

VDD

VIN

MODE “L”= PWM “H”= VFM

OSC

Lx

PWM/VFM

CONTROL

Phase Compensation

OUTPUT

CONTROL

Vref

VOUT

Current Protection

UVLO

Soft Start

CE

Chip Enable

“H” Active

CE

PGND

lR1230D001C/D

VIN

AGND

VDD

MODE “L”= PWM “H”= VFM

OSC

VFB

PWM/VFM

Lx

CONTROL

Phase Compensation

OUTPUT

CONTROL

Current Protection

UVLO

Vref

Chip Enable

“H” Active

CE

Soft Start

PGND

Rev. 1.17

AGND

- 2-

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