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
©
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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