ISL6525 View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

ISL6525

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

Intersil 

ISL6525

12VCC

VIN

CIN

1µF

330µF/25V

0.1µF

1µF

10K

6

SS 3

RT 1

V OUT

CDELAY

1000pF

VCC

PGOOD DELAY

13 7

MONITOR AND

PROTECTION

14

2 OCSET

10 BOOT

4.99K

SPARE

OSC

U1

REF ISL6525

9 UGATE Q1

8 PHASE

13 VCC

-

FB 5

+

-

+

12 LGATE

Q2

11 PGND

4

6

SPARE

COMP

GND

33pF

20K

6.8nF

C16

1K

SPARE SPARE

1N4148

0.1µF

L1

COUT

1000µF

Component Selection Notes:

CIN - 330µF 25W VDC, Rubycon ZA series or equivalent

COUT - 1000µF 6.3W VDC, Rubycon ZA series or equivalent

L1 - Core: Micrometals T44-52; Winding: 12 Turns of 19AWG

Q1 - Intersil MOSFET; HUF76121D

Q2 - Intersil MOSFET; HUF76129D

FIGURE 11. DC-DC CONVERTER APPLICATION CIRCUIT

VOUT

10

FN4998.3

December 27, 2004

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