ISL6326B datasheet(3/30 Pages) INTERSIL

Part #	ISL6326B

Description	4-Phase PWM Controller with 8-Bit DAC Code Capable of Precision DCR Differential Current Sensing

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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3 / 30 page

3

FN9286.0

April 21, 2006

ISL6326BCR Block Diagram

-

+

X1

RGND

VSEN

VDIFF

-

+

VR_RDY

+175m V

OFS

REF

DAC

VRSEL

FB

-

+

COM P

OFFSET

1

N

IOUT

VR_HOT

VR_FAN

TM

TCO MP

TEM PERATURE

COM PENSATION

VID7

VID6

VID5

VID4

VID3

VID2

VID1

VID0

Dynam ic

VID

D/A

ISEN1+

ISEN1-

ISEN2+

ISEN2-

ISEN3+

ISEN3-

ISEN4+

ISEN4-

CHANNEL

CURRENT

SENSE

I_TRIP

Σ

CHANNEL

CURRENT

BALANCE

AND PEAK

CURREN T LIM IT

E/A

OVP

0.875

-

+

PO W ER-O N

RESET (POR)

0.875

-

+

SOFTSTART

AND

FAULT LO GIC

EN_VTT

EN_PW R

N

FS

CLOCK AND

RAM P GENERATOR

SS

GND

PW M 2

PW M 1

PW M 3

PW M 4

THERM AL

MONITOR

TEM PERATURE

COM PENSATION

GAIN ADJUST

CHANNEL

DETECT

2.0V -

+

OCP

-

+

OCP

APP and APA

M ODULATOR

APP and APA

M ODULATOR

APP and APA

M ODULATOR

APP and APA

M ODULATOR

ISL6326B

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ISL6326B Datasheet(PDF) 3 Page - Intersil Corporation

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