ISL6556BCB-T Ver la hoja de datos (PDF) - Intersil

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ISL6556BCB-T

Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application

Intersil 

ISL6565BCB Block Diagram

ISL6556B

RGND

VSEN

VDIFF PGOOD

OVP

S OVP R

x1

LATCH

Q

VCC

POWER-ON

RESET (POR)

OVP

+200mV

SOFT-START

AND

FAULT LOGIC

CLOCK AND

SAWTOOTH

GENERATOR

∑

PWM

OFS

OFFSET

∑

PWM

1.24V

EN

THREE-STATE

FS

PWM1

PWM2

REF

VID4

VID3

VID2

VID1

VID0

VID12.5

COMP

FB

DYNAMIC

VID

D/A

TCOMP

T

∑

PWM

∑

PWM

E/A

I_TRIP

OC

∑

CHANNEL

CURRENT

BALANCE

I_TOT

CHANNEL

DETECT

SAMPLE

&

HOLD

PWM3

PWM4

CHANNEL

CURRENT

SENSE

ISEN1

ISEN2

ISEN3

ISEN4

GND

3

FN9097.4

December 28, 2004

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