RT9645 데이터 시트보기 (PDF) - Richtek Technology

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RT9645

5 Channels ACPI Regulator

Richtek Technology 

Function Block Diagram

Preliminary

RT9645

SS2/EN2 FB2

FB

COMP1

COMP2

PWM2

SB3V_SEN

SB3V_DRV

EN_Detect

SS

-

+

+

-

VDD 70k

-

+

+

-

35k

+

-

VREF

-

UV

+

VREF

PVIN

VTT_DRV

VTT_EN

VTT_SEN

VDD

+

-

-

+

VDDQ UV

or

FSB-VTT UV

VDDQ OC

SB3V Fault (UV &OC)

Thermal shut_down

Back S5

Hiccup

Digital &

Peripheral Control

EN_Detect

-

+

+

-

Oscillator

BOOT

UGATE

PHASE

PVIN

LGATE

IOC2

40uA

-

ISNS2

+

IOC1

40uA

-

ISNS

+

PVIN

VDD

VCC_DRV

SB5V_DRV

GND

S3 S5

DS9645-00 August 2007

www.richtek.com

5

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