Ap1501a, Pin descriptions, Block diagram – Diodes AP1501A User Manual
Page 4: 150khz, 5a pwm buck dc/dc converter
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AP1501A
150KHz, 5A PWM BUCK DC/DC CONVERTER
AP1501A Rev. 10
4 of 14
SEPTEMBER 2009
DS31191
©
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
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