ap1512a-50k5 Diodes, Inc., ap1512a-50k5 Datasheet - Page 2

• Manufacturer Part Number: ap1512a-50k5
• Description: 50khz, 2a/3a Pwm Buck Dc/dc Converter
• Manufacturer: Diodes, Inc.

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