ISL6310 查看數據表（PDF） - Intersil

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ISL6310

Two-Phase Buck PWM Controller with High Current Integrated MOSFET Drivers

Intersil 

Block Diagram

ICOMP DROOP OCSET

ISL6310

PGOOD OVP

ISUM

IREF

ISEN AMP

100µA

OC

RGND

VSEN

VDIFF

x1

x1

UVP

OVP

OVP

+150mV

x 0.82

+1V

SOFT-START

AND

FAULT LOGIC

0.2V

CLOCK AND

SAWTOOTH

GENERATOR

∑

PWM1

REF1

REF0

DAC

DAC

∑

PWM2

REF

FB

COMP

OFST

OFFSET

CHANNEL

1

E/A

CURRENT

N

BALANCE

∑

CHANNEL

CURRENT

SENSE

ISEN1

ISEN2

ENLL

0.66V

POWER-ON

RESET

GATE

CONTROL

LOGIC

SHOOT-

THROUGH

PROTECTION

GATE

CONTROL

LOGIC

SHOOT-

THROUGH

PROTECTION

PHASE 2

DETECT

GND

3

VCC

PVCC

BOOT1

UGATE1

PHASE1

LGATE1

FS

BOOT2

UGATE2

PHASE2

LGATE2

2PH

FN9209.3

December 12, 2006

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