This Anachip version datasheet is replaced
with Diodes Inc. datasheet AP1520
PWM Control 2A Step-Down Converter
AP1520
Ordering Information
AP 1520 X X
Block Diagram
Package
S: SOP-8L
Packing
Blank : Tube
A : Taping
Output
Oscillation
Circuit
Reference Voltage
Source with Soft Start
Vcc
Thermal
Shutdown
PWM-Switched
+
Control Circuit
-
FB
VEN
100uA
Vss
EN
Absolute Maximum Ratings
OCSET
Symbol
Parameter
Rating
Unit
VCC
VCC Pin Voltage
VSS - 0.3 to VSS + 25
V
VFB
Feedback Pin Voltage
VSS - 0.3 to VCC
V
VEN
EN Pin Voltage
VSS - 0.3 to VIN + 0.3
V
VOUTPUT Switch Pin Voltage
VSS - 0.3 to VIN + 0.3
V
PD
TOPR
TSTG
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Internally limited
mW
-20 to +125
oC
-40 to +150
oC
Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must
therefore not be exceeded under any conditions.
Anachip Corp.
www.anachip.com.tw
Rev. 1.5 Apr 10, 2006
2/7