Diodes AP5002 - Manual (Page 8)

AP5002
PWM CONTROL 2A STEP-DOWN CONVERTER
AP5002 Rev. 8 8 of 10 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
(Continued)
AP5002 Vout Ripple
(Vin=12V; Vout=5V; Iout=0.2A)
AP5002 Vout Ripple
(Vin=12V; Vout=5V; Iout=2A)
Test Circuit
A
FB VCC
VSS
EN
open
open
FB VCC
VSS
EN
+
-
Osc
ill
a
ti
o
n
OUTPUT OUTPUT
A
FB
VCC
VSS
EN
+
-
+
-
V
OUTPUT
COMP
COMP
COMP
Enable function test Feedback function test
Operation function test
1.2K
6.8K
22u
6.8K 1500p