ISL6568IRZA datasheet(3/29 Pages) INTERSIL

Part #	ISL6568IRZA

Description	Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications

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Manufacturer	INTERSIL [Intersil Corporation]

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

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3 / 29 page

3

FN9187.4

March 9, 2006

Block Diagram

VID4

DYNAMIC

VID

D/A

VID3

VID2

VID1

VID0

VID12.5

E/A

REF

FB

OFFSET

OFS

COMP

ISUM

IREF

ICOMP

ISEN AMP

OC

OCSET

100µA

ISEN1 ISEN2

CHANNEL

CURRENT

SENSE

∑

1

N

∑

PWM1

∑

CHANNEL

CURRENT

BALANCE

THROUGH

SHOOT-

PROTECTION

BOOT1

UGATE1

PHASE1

LGATE1

PVCC

LOGIC

CONTROL

GATE

BOOT2

UGATE2

PHASE2

LGATE2

CLOCK AND

GENERATOR

SAWTOOTH

SOFT START

AND

FAULT LOGIC

PHASE 2

DETECT

VCC

RESET

POWER-ON

0.66V

ENLL

FS

PGOOD

GND

0.2V

+1V

PWM2

RGND

VSEN

VDIFF

x1

+150mV

OVP

x 0.82

OVP

UVP

x1

VOVP

THROUGH

SHOOT-

PROTECTION

LOGIC

CONTROL

GATE

ISL6568

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Intersil Corporation	ISL6568IRZA	716Kb / 28P	Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications
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Renesas Technology Corp	ISL6568	1Mb / 30P	Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications
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ISL6568IRZA Datasheet(PDF) 3 Page - Intersil Corporation

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