AAT3155 Datasheet, PDF (2/11 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

AAT3155
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
Symbol
D3
D2
D1
GND
IN
C2-
C2+
OUTCP
C1-
C1+
EN/SET
D4
Function
Current sink input #3.
Current sink input #2.
Current sink input #1.
Ground.
Input power supply. Requires 1µF capacitor connected between this pin and
ground.
Flying capacitor 2 negative terminal.
Flying capacitor 2 positive terminal. Connect a 1µF capacitor between C2+ and
C2-.
Charge pump output to drive load circuit. Requires 1µF capacitor connected
between this pin and ground.
Flying capacitor 1 negative terminal.
Flying capacitor 1 positive terminal. Connect a 1µF capacitor between C1+ and
C1-.
S²Cwire serial interface control pin.
Current sink input #4.
Pin Configuration
TSOPJW-12
(Top View)
D3 ¹
D2 ²
D1 ³
GND ⁴
IN ⁵
C2- ⁶
12 _D4
11 _EN/SET
10 _C1+
9 _C1-
8 _OUTCP
7 _C2+
2
3155.2006.05.1.1