ISL6333 데이터 시트보기 (PDF) - Intersil

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ISL6333

4-Phase Buck PWM Controller

Intersil 

ISL6333, ISL6333A, ISL6333B, ISL6333C

Typical Application Diagram - ISL6333, ISL6333B

+5V

RGND

VDIFF

DVC

RGND VSEN

+5V VCC

RSET

FB

IDROOP

BYP1

PVCC1

+12V

COMP

APA

VCC

OFS

FS

REF

IMON

SS

PUVCC

BOOT1

UGATE1

PHASE1

1.8Ω

LGATE1

ISEN1-

ISEN1+

PVCC2_3

ISL6333/B

BOOT2

UGATE2

PHASE2

1.8Ω

+12V

VID7

VID6

VID5

VID4

VID3

VID2

VID1

VID0

CPURST_N

PSI#

VR_RDY

LGATE2

ISEN2-

ISEN2+

+12V

BOOT3

UGATE3

PHASE3

1.8Ω

EN

GND

LGATE3

ISEN3-

ISEN3+

LOAD

*NOTE: ISL6333 - Connect the IDROOP pin to the FB pin. The CPURST_N pin does not exist.

*NOTE: ISL6333B - The CPURST_N pin should connect to the CPURST_N signal. The IDROOP pin does not exist.

10

FN6520.3

October 8, 2010

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