R1232D Ver la hoja de datos (PDF) - RICOH Co.,Ltd.

Número de pieza

componentes Descripción

fabricante

R1232D

PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER

RICOH Co.,Ltd. 

R1232D

BLOCK DIAGRAMS

R1232Dxx1A/B

VDD

3

AGND

7

VIN 2

LX 8

Current Limit

Slope

Compensation

Phase

Compensation

Output

Contorol

QR

S PWM

Comparator

Vref

Error

Amplifer

Oscillator

Soft Start

1

PGND

TEST Circuit

UVLO

6

TEST “L” or GND Fixed

Chip Enable

5 VOUT

4 CE

“H” Active

R1232D001C/D

VDD

3

AGND

7

VIN 2

LX 8

Current Limit

Slope

Compensation

Phase

Compensation

Output

Contorol

QR

S PWM

Comparator

Vref

Error

Amplifer

Oscillator

Soft Start

1

PGND

TEST Circuit

UVLO

6

TEST “L” or GND Fixed

Chip Enable

5 VFB

4 CE

“H” Active

2

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