![](/html/Diodes/283952/page6.png)
AP1520
PWM CONTROL 2A STEP-DOWN CONVERTER
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
OCSET
open
A
EN VSS
Enable function test
A
OUTPUT
VCC
FB
+
OCSET
-
EN
VSS
Feedback function test
OUTPUT
VCC
FB
+
OCSET
-
EN VSS
+
V
-
Operation function test
AP1520 Rev. 5
DS31174
6 of 9
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JULY 2009
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