ISL6554 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

ISL6554

Microprocessor CORE Voltage Regulator Using Multi-Phase Buck PWM Control Without Programmable Droop

Renesas Electronics 

ISL6554

Block Diagram

PGOOD

VCC

VSEN

COMP

VID4

VID3

VID2

VID1

VID0

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

FN9003 Rev 3.00

February 11, 2005

Page 2 of 16

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