RT9241A Просмотр технического описания (PDF) - Richtek Technology

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RT9241A

Two-Phase DC/DC Controller for CPU Core Power Supply

Richtek Technology 

RT9241A/B

Function Block Diagram

DVD

VDD

PGOOD

VID0

VID1

VID2

VID3

VID4

VSEN

ADJ

FB

GND

DAC

Power On Reset

120%

VDAC

108%

VDAC

92%

VDAC

+

-

INH

+

OVP, PGOOD

-

POR Logic

+

-

Current

Limit

Droop

Control

+ EA

-

Oscillator

Current

Balance

Processor

INH

PWM Logic

+

& Driver

-

PWMCP

INH

PWM Logic

+

& Driver

-

PWMCP

-

CS1 +

-

CS2 +

SS

Control

PWM1

PWM2

ISP1

ISN1

ISP2

ISN2

COMP

SS

www.richtek.com

4

DS9241AB-05 March 2007

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