R1230D351A-TR 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

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R1230D351A-TR

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

RICOH Co.,Ltd. 

s BLOCK DIAGRAM

qR1230DXX1A/B

VDD

VIN

MODE “L”= PWM “H”= VFM

OSC

PWM/VFM

CONTROL

Phase Compensation

Lx

OUTPUT

CONTROL

Vref

VOUT

Current Protection

UVLO

Soft Start

CE

Chip Enable

“H” Active

CE

PGND

qR1230D001C/D

VIN

AGND

VDD

MODE “L”= PWM “H”= VFM

OSC

VFB

PWM/VFM

Phase Compensation

Lx

CONTROL

OUTPUT

CONTROL

Current Protection

UVLO

Vref

Chip Enable

“H” Active

CE

Soft Start

PGND

AGND

Rev. 1.12

-2-

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