AP1512A-K5L-13 Datasheet, PDF (2/12 Pages) Diodes Incorporated – 50KHz, 2A/3A PWM BUCK DC/DC CONVERTER

AP1512/A
50KHz, 2A/3A PWM BUCK DC/DC CONVERTER
Pin Assignments
( Top View )
Metal Tab GND
TO263-5L
5 SD
4 FB
3 GND
2 Output
1 V_IN
Pin Descriptions
Name
V_IN
Output
GND
FB
SD
Description
Operating voltage input
Switching output
Ground
Output voltage feedback control
ON/OFF Shutdown
Block Diagram
SD
V_IN
200mV
220mV
Current
Source
bias
1.235V
Reference
2.5V
Regulator
Start
up
+
Com_{_}p
Comp
+
Frequecy
FB
+
_^Amp
compen-
sation
Comp
+
Pre-driver
2A
Switch
(3A for
AP1512A)
Output
50KHz
OSC.
Thermal
Limit
Gnd
AP1512/A Rev. 4
2 of 12
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MAY 2008
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