ISL6568CRZ-T 查看數據表（PDF） - Intersil

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ISL6568CRZ-T

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

Intersil 

Block Diagram

ICOMP OCSET

ISL6568

PGOOD

ENLL

ISUM

IREF

ISEN AMP

100µA

OC

RGND

VSEN

VDIFF

VID4

VID3

VID2

VID1

VID0

VID12.5

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

E/A

OFFSET

CHANNEL

CURRENT

BALANCE

CHANNEL

CURRENT

SENSE

1

N

∑

0.66V

POWER-ON

RESET

GATE

CONTROL

LOGIC

SHOOT-

THROUGH

PROTECTION

GATE

CONTROL

LOGIC

SHOOT-

THROUGH

PROTECTION

PHASE 2

DETECT

ISEN1 ISEN2

GND

3

VCC

PVCC

BOOT1

UGATE1

PHASE1

LGATE1

FS

BOOT2

UGATE2

PHASE2

LGATE2

FN9187.4

March 9, 2006

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