AP1510
Pin Descriptions
Pin Number
1
2
3
4
5, 6
7, 8
Pin Name
FB
EN
OCSET
VCC
Output
VSS
Description
Feedback pin
Enable Input pin
H: Normal operation
(Step-down operation)
L: Step-down operation stopped
(All circuits deactivated)
Add an external resistor to set max output current
IC power supply pin
Switch Pin. Connect external inductor/diode here. Minimize trace area at this pin to reduce EMI.
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
AP1510
Document number: DS31018 Rev. 8 - 2
2 of 9
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December 2017
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