Ap1538, Test circuit – Diodes AP1538 User Manual

Page 8

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AP1538

18V 3A 300KHz BUCK CONVERTER

AP1538 Rev. 5

8 of 13

OCTOBER 2009

DS31451

www.diodes.com

©

Diodes Incorporated

Test Circuit


A

FB

V

CC

V

SS

EN

open

open

FB

EN

+

-

Os

c

ill

a

ti

o

n

OUTPUT

OUTPUT

A

FB

EN

+

-

+

-

V

OUTPUT

OCSET

OCSET

OCSET

Enable function test

Feedback function test

Operation function test

V

CC

V

CC

V

SS

V

SS































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