AP1506 查看數據表（PDF） - Diodes Incorporated.
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AP1506 Datasheet PDF : 14 Pages
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AP1506
150KHz, 3A PWM BUCK DC/DC CONVERTER
Pin Descriptions
Pin Name
VIN
Output
GND
FB
SD
Description
Operating Voltage Input
Switching Output
Ground
Output Voltage Feedback Control
ON/OFF Shutdown
Functional Block Diagram
SD
VIN
200mV 220mV
Current
Source
bias
1.235V
Reference
2.5V
Regulator
Start
up
+
Comp
-
Comp
+
+
Frequecy
Amp compen-
3A
FB
sation
Comp
+
Pre-driver
Switch
150KHz
OSC.
Thermal
Shutdown
Output
GND
AP1506
Document number: DS31015 Rev. 7 - 2
3 of 14
www.diodes.com
June 2010
© Diodes Incorporated
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