RT9214PS Просмотр технического описания (PDF) - Richtek Technology

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RT9214PS

5V/12V Synchronous Buck PWM DC-DC Controller

Richtek Technology 

Function Block Diagram

VCC

Bias & Regulators

(3V_Logic & 3VDD_Analog)

Reference

0.8VREF

Power On

Reset

0.6V

UV_S

Soft-Start

&

Fault Logic

GM

EO

FB

Oscillator

(300kHz)

GND

RT9214

EN

PH_M

0.1V

1.5V

3V

40uA

OC

-

0.4V

+

+

-

Gate

Control

Logic

VCC

OPS

BOOT

UGATE

PHASE

LGATE

DS9214-13 September 2007

www.richtek.com

3

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