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AAT3167 Datasheet, PDF (2/14 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
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AAT3167
High Efficiency 1X/1.5X/2X Charge
Pump for White LED Applications
Pin Descriptions
Pin #
1, 3
2
4
5
6
7
8
9, 11
10
12
13
14
15
16
EP
Symbol
N/C
EN/SET
OUTCP
C2+
C1+
C1-
C2-
GND
IN
D1
D2
D3
D4
D5
Function
No connection.
AS2Cwire serial interface control pin.
Charge pump output to drive load circuit. Requires 1µF capacitor connected between this
pin and ground.
Flying capacitor 2 positive terminal. Connect a 1µF capacitor between C2+ and C2-.
Flying capacitor 1 positive terminal. Connect a 1µF capacitor between C1+ and C1-.
Flying capacitor 1 negative terminal.
Flying capacitor 2 negative terminal.
Ground.
Input power supply. Requires 1µF capacitor connected between this pin and ground.
Current sink input #1.
Current sink input #2.
Current sink input #3.
Current sink input #4.
Current sink input #5.
Exposed paddle (bottom); connect to ground as closely as possible to the package.
Pin Configuration
TDFN34-16
(Top View)
N/C 1
EN/SET 2
N/C 3
OUTCP 4
C2+ 5
C1+ 6
C1- 7
C2- 8
16 D5
15 D4
14 D3
13 D2
12 D1
11 GND
10 IN
9 GND
QFN44-16
(Top View)
N/C 1
EN/SET 2
N/C 3
OUTCP 4
12 D1
11 GND
10 IN
9 GND
2
3167.2006.05.1.3
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