RT9204CS Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Lista de partido

RT9204CS

Dual Regulator - Standard Buck PWM DC-DC and Linear Power Controller

Richtek Technology 

Preliminary

RT9204

+ COUT

1000µF

CVCC

1µF

GND

VCC

BOOT

RT9204

CBOOT

0.1µF

MU

D

L

G

S

5µH

Diode

C1

+ C2

1µF

470µF

GND Return

Layout Placement

Layout Notes

1. Put C1 & C2 to be near the MU drain and ML source nodes.

2. Put RT9204 to be near the COUT

3. Put CBOOT as close as to BOOT pin

4. Put CVCC as close as to VCC pin

Function Block Diagram

VCC

DRV

FBL

FB

LDO_

0.8V

Reference

Power

on Reset

UVP

1V

OVP

Soft Start

6.0V

Regulator

0.5V

0.8V

35dB

Error Amp

UVP

SS

PWM

Control

Logic

BOOT

UGATE

GND

600kHz

Oscillator

DS9204-00 February 2002

www.richtek-ic.com.tw

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