ISL6552 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

ISL6552

Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

Renesas Electronics 

ISL6552

Block Diagram

PGOOD

VCC

VSEN

COMP

VID3

VID2

VID1

VID0

VID25mV

FB

X 0.9

X1.15

+ UV

-

OVP

+

-

OV

LATCH

S

POWER-ON

RESET (POR)

CLOCK AND

SAWTOOTH

GENERATOR

THREE

STATE

+



-

PWM

+

-

SOFT-

START

AND FAULT

LOGIC

+



-

PWM

+

-

+



-

PWM

+

-

D/A

+ E/A

-

+



-

+ PWM

-

I_TOT

+

+

+

+

-

+

OC I_TRIP

CURRENT

CORRECTION

PHASE

NUMBER CHANNEL

DETECTOR

GND

FS/EN

PWM1

PWM2

PWM3

PWM4

ISEN1

ISEN2

ISEN3

ISEN4

FN4918 Rev 2.00

July 2004

Page 3 of 18

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