AAT3142ITP-T1 AnalogicTech, AAT3142ITP-T1 Datasheet - Page 2

• Manufacturer Part Number: AAT3142ITP-T1
• Description: High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
• Manufacturer: AnalogicTech

Pin Descriptions
Pin Configuration
2
ChargePump
Pin #
10
11
12
1
2
3
4
5
6
7
8
9
TM
Symbol
EN/SET
C2+
C1+
GND
GND
C1-
C2-
D3
D2
D1
CP
IN
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
Function
Flying capacitor 2 positive terminal. Connect a 1μF capacitor between C2+ and C2-.
Charge pump output. 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-.
Current source output #3.
Current source output #2.
Ground pin; must be connected to Pin 11.
Current source output #1.
S
Input power supply. Requires 1μF capacitor connected between this pin and ground.
Ground pin; must be connected to Pin 7.
Flying capacitor 2 negative terminal.
2
Cwire serial interface control pin.
C2+
C1+
C1-
CP
D3
D2
w w w . a n a l o g i c t e c h . c o m
1
2
3
5
6
4
TSOPJW-12
(Top View)
12
11
10
9
8
7
C2-
GND
IN
EN/SET
D1
GND
PRODUCT DATASHEET
AAT3142
3142.2009.07.1.3