Diodes AP5004 - Manual (Page 7)

AP5004
PWM CONTROL 2.5A STEP-DOWN CONVERTER
AP5004
Document number: DS31444 Rev. 5 - 2
7 of 11
www.diodes.com
August 2010
© Diodes Incorporated
Test Circuit
A
FB Vcc
GND
EN
open
open
FB
Vcc
GND
EN
+
-
Os
c
illa
ti
o
n
OUTPUT OUTPUT
A
FB
Vcc
GND
EN
+
-
+
-
V
OUTPUT
Vboost
open
Vboost
Vboost
Enable function test Feedback function test
Operation function test
220uF
0.1uF
33uH
470uF
530 ohm
100 ohm