AP1530 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1530 Datasheet PDF : 8 Pages
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Pin Assignments
AP1530
PWM CONTROL 3A STEP-DOWN CONVERTER
Pin Descriptions
FB 1
EN 2
OCSET 3
VCC 4
AP1530
8 Vss
7 Vss
6 Output
5 Output
Name
FB
EN
OCSET
VCC
Output
VSS
Pin Description
1 Feedback pin.
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
Switch Pin. Connect external
5、6
inductor/diode here. Minimize
trace area at this pin to reduce
EMI.
7、8 GND Pin
Block Diagram
Vcc
Output
Oscillation
Circuit
Reference Voltage
Source with Soft Start
Thermal
Shutdown
PWM-Switched
+
Control Circuit
-
FB
VEN
100uA
Vss
EN
OCSET
AP1530 Rev. 1
2 of 8
www.diodes.com
MARCH 2007
© Diodes Incorporated
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