ISL6565B Просмотр технического описания (PDF) - Intersil

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ISL6565B

Multi-Phase PWM Controller with Precision rDS(ON)or DCR Current Sensing for VR10.X Application

Intersil 

ISL6565B Block Diagram

ISL6565A, ISL6565B

VDIFF PGOOD

OVP

VCC

ENLL

RGND

x1

VSEN

S OVP R

LATCH

Q

SHUNT

REGULATOR

POWER-ON

RESET

UVP

OVP

SOFT-START

AND

FAULT LOGIC

CLOCK AND

SAWTOOTH

GENERATOR

1.24V

EN

FS

VID4

VID3

VID2

VID1

VID0

VID12.5

REF

FB

COMP

OFS

TCOMP

+200mV

x 0.75

∑

PWM

PWM1

DYNAMIC

VID

D/A

∑

OFFSET

TEMP

COMP

∑

PWM

∑

PWM

E/A

I_TRIP

OC

CHANNEL

CURRENT

BALANCE

I_AVG

1

N

∑

CHANNEL

OCP

PWM2

PWM3

CHANNEL

DETECT

CHANNEL

CURRENT

SENSE

ISEN1

ISEN2

ISEN3

ICOMMON

GND

4

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