ap1510 Diodes, Inc., ap1510 Datasheet - Page 2

• Manufacturer Part Number: ap1510
• Description: Pwm Control 3a Step-down Converter
• Manufacturer: Diodes, Inc.

Pin Assignments
Block Diagram
AP1510 Rev. 5
Vcc
OCSET
V
EN
CC
FB
1
2
3
4
(Top View)
AP1510
Shutdown
Thermal
8
7
6
5
Output
Vss
Vss
Output
Output
www.diodes.com
PWM CONTROL 3A STEP-DOWN CONVERTER
2 of 8
EN
Oscillation
Circuit
Name
Pin Descriptions
OCSET
PWM-Switched
Control Circuit
Output
V
V
FB
V
EN
CC
SS
EN
Pin
5, 6
7, 8 GND Pin
1
2
3
4
OCSET
Feedback pin.
Enable Input pin
H: Normal operation
L: Step-down operation stopped
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.
Source with Soft Start
100uA
Reference Voltage
(Step-down operation)
(All circuits deactivated)
Description
+
-
©
AP1510
Diodes Incorporated
MARCH 2008
FB
Vss