ISL6525 View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

ISL6525

Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

Intersil 

ISL6525

Typical Application

12V

VCC

+5V OR +12V

OCSET

SS

MONITOR AND

PROTECTION

BOOT

RT

OSC

UGATE

PHASE

ISL6525

+VO

REF

PVCC +12V

-

FB

+

+

-

LGATE

PGND

COMP

GND

Block Diagram

OCSET

FB

COMP

RT

VCC

REFERENCE

110%

+

-

POWER-ON

RESET (POR)

90%

+-

VCC 10µA

10µA

200µA

+

- OVER-

CURRENT

4V

SOFT-

START

DACOUT

+

-

ERROR

AMP

PWM

COMPARATOR

+

-

INHIBIT

PWM

GATE

CONTROL

LOGIC

OSCILLATOR

DELAY

PGOOD

SS

BOOT

UGATE

PHASE

LGATE

PGND

GND

2

FN4998.3

December 27, 2004

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