ISL6431 데이터 시트보기 (PDF) - Renesas Electronics

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ISL6431

Advanced Pulse Width Modulation (PWM) Controller for Broadband Applications

Renesas Electronics 

ISL6431

Block Diagram

SAMPLE

AND

HOLD

+-

OC

COMPARATOR

VCC

POR AND

SOFTSTART

+

0.8V

-

FB

COMP/OCSET

20A

Typical Application

ERROR

AMP

+-

PWM

COMPARATOR

+-

GATE

CONTROL

PWM LOGIC

VCC

OSCILLATOR

FIXED 300kHz

GND

VCC

BOOT

UGATE

PHASE

LGATE

CDCPL

CBULK

ROCSET

RF

CF

VCC

5

BOOT

1

ISL6431

COMP/OCSET

UGATE

7

2

PHASE

8

CI

LGATE

63

4

FB

GND

DBOOT

CHF

CBOOT

LOUT

COUT

+VO

ROFFSET

RS

FN9018 Rev 1.00

Jun 2002

Page 2 of 10

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