AP3152
120mA HIGH EFFICIENCY WHITE LED DRIVER
Pin Assignment
( Top View )
D4
SDI
1
2
12
11
D3
D2
C1 P
C1 N
V OUT
C2 P
3
4
5
6
Exposed
Pad
10
9
8
7
D1
GND
V IN
C2 N
DFN3030-12
Pin Descriptions
Pin Name
D4
SDI
C1 P
C1 N
V OUT
C2 P
C2 N
V IN
GND
D1
D2
D3
GND
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
EP PAD
Description
Current Sink Input #4. Connect to V OUT when un-used.
1-wire Serial Digital Interface Input / PWM input
Positive Terminal of Flying Capacitor. Connect a 1μF capacitor between C1 P and
C1 N .
Negative Terminal of Flying Capacitor.
The charge pump output voltage to drive load circuit. Connect a 1μF capacitor
between this pin and ground.
Positive Terminal of Flying Capacitor. Connect a 1μF capacitor between C2 P and
C2 N .
Negative Terminal of Flying Capacitor.
Input Power Source. Connect a 1μF capacitor between this pin and ground.
Ground.
Current Sink Input #1. Connect to V OUT when un-used.
Current Sink Input #2. Connect to V OUT when un-used.
Current Sink Input #3. Connect to V OUT when un-used.
Exposed Pad (bottom). Connect to ground underneath the package.
AP3152 Rev. 3
2 of 13
FEBRUARY 2009
www.diodes.com
?
Diodes Incorporated
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