Diodes AP1501A - Manual (Page 4)

AP1501A
150KHz, 5A PWM BUCK DC/DC CONVERTER
AP1501A Rev. 10 4 of 14 SEPTEMBER 2009
DS31191 www.diodes.com © Diodes Incorporated
Pin Descriptions
Current
Source
bias
1.235V
Reference
2.5V
Regulator
150kHz
OSC.
Start
up
+
+
_
+
_
Thermal
Shutdown
Pre-driver
Comp
Comp
Gnd
Output
V
IN
SD
FB
220mV 200mV
5A
Switch
+
_
_ Amp
Comp
Freq.
Compensation
Name Description
V
IN
Operating voltage input
Output Switching output
Gnd Ground
FB Output voltage feedback control
SD ON/OFF shutdown
Block Diagram