AAT3152
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
EP
Symbol
D4
EN/SET
C1+
C1-
OUTCP
C2+
C2-
IN
GND
D1
D2
D3
Function
Current sink input #4.
S
2
Cwire serial interface control pin.
Flying capacitor 1 + terminal. Connect a 1µF capacitor between C1+ and C1-.
Flying capacitor 1 - terminal.
Charge pump output to drive load circuit. Requires 1µF capacitor connected
between this pin and ground.
Flying capacitor 2 + terminal. Connect a 1µF capacitor between C2+ and C2-.
Flying capacitor 2 - terminal.
Input power supply. Requires 1µF capacitor connected between this pin and
ground.
Ground.
Current sink input #1.
Current sink input #2.
Current sink input #3.
Exposed paddle (bottom); connect to GND directly beneath package.
Pin Configuration
DFN33-12
(TopView)
D4
EN/SET
C1+
C1-
VOUT
C2+
1
2
3
4
5
6
12
11
10
9
8
7
D3
D2
D1
GND
VIN
C2-
2
3152.2004.12.0.9
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
