This Anachip version datasheet is replaced
with Diodes Inc. datasheet AP1520
PWM Control 2A Step-Down Converter
AP1520
Typical Performance Characteristics (Continued)
AP1520 Vout Ripple
(Vin=12V; Vout=3.3V; Iout=0.1A)
AP1520 Vout Ripple
(Vin=12V; Vout=3.3V; Iout=2A)
Test Circuit
open
VCC OUTPUT FB open
OCSET
A
EN VSS
Enable function test
A
VCC OUTPUT FB
+
OCSET
-
EN VSS
Feedback function test
OUTPUT
VCC
FB
+
OCSET
-
EN VSS
Operation function test
+
V
-
Anachip Corp.
www.anachip.com.tw
Rev. 1.5 Apr 10, 2006
5/7