AP1530(2009) 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1530 Datasheet PDF : 12 Pages
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Pin Descriptions
AP1530
18V 3A 300KHz BUCK CONVERTER
Pin Name Pin No.
Description
FB
1 Feedback pin
EN
OCSET
VCC
Output
Power-off pin
H: Normal operation
2
(Step-down operation)
L: Step-down operation stopped
(All circuits deactivated)
3 Add an external resistor to set max output current
4 IC power supply pin
5, 6
Switch Pin. Connect external inductor/diode here. Minimize trace area at this pin to
reduce EMI
VSS
7, 8 GND Pin
Block Diagram
Output
Oscillation
Circuit
Reference Voltage Source
Vcc
Thermal
Shutdown
PWM-Switched
+
Control Circuit
-
FB
VEN
100uA
Vss
EN
OCSET
AP1530 Rev. 7
DS31092
3 of 12
www.diodes.com
NOVEMBER 2009
© Diodes Incorporated
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