AP1509-XXS データシートの表示（PDF） - Diodes Incorporated.
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AP1509-XXS Datasheet PDF : 12 Pages
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AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
Pin Assignments
VIN
Output
FB
SD
(Top View)
1
8
2
7
3
6
4
5
SOP-8L
GND
GND
GND
GND
Pin Descriptions
Name
VIN
Output
GND
FB
SD
Description
Operating voltage input
Switching output
Ground
Output voltage feedback control
ON/OFF Shutdown
Block Diagram
SD
Current
Source
bias
1.235V
Reference
2.5V
Regulator
Start
up
200mV
220mV
+
Com_p
VIN
Comp
+
+
Frequecy
FB
_Amp
compen-
sation
Comp
+
Pre-driver
2A
Switch
150kHz
OSC.
Thermal
Shutdown
Output
Gnd
AP1509 Rev. 1
2 of 12
www.diodes.com
DECEMBER 2006
© Diodes Incorporated
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