ISL6566IRZ(2004) View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

ISL6566IRZ
(Rev.:2004)

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

Intersil 

ISL6566

Block Diagram

ICOMP OCSET

PGOOD

ENLL

ISUM

IREF

ISEN AMP

100µA

OC

RGND

VSEN

VDIFF

VID4

VID3

VID2

VID1

VID0

VID12.5

VRM10

REF

FB

COMP

OFS

x1

x1

+1V

SOFT-START

AND

FAULT LOGIC

UVP

OVP

OVP

VOVP

+150mV

x 0.82

DYNAMIC

VID

D/A

0.2V

CLOCK AND

SAWTOOTH

GENERATOR

∑

PWM1

∑

PWM2

∑

PWM3

E/A

OFFSET

CHANNEL

CURRENT

BALANCE

CHANNEL

CURRENT

SENSE

1

N

∑

ISEN1 ISEN2 ISEN3

0.66V

POWER-ON

RESET

GATE

SHOOT-

CONTROL THROUGH

LOGIC PROTECTION

GATE

SHOOT-

CONTROL THROUGH

LOGIC PROTECTION

CHANNEL

DETECT

GATE

SHOOT-

CONTROL THROUGH

LOGIC PROTECTION

GND

2

VCC

PVCC1

BOOT1

UGATE1

PHASE1

LGATE1

FS

PVCC2

BOOT2

UGATE2

PHASE2

LGATE2

PVCC3

BOOT3

UGATE3

PHASE3

LGATE3

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