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AAT3151 Datasheet(PDF) 2 Page - Advanced Analog Technology, Inc.

Part No. AAT3151
Description  High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications
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Maker  AAT [Advanced Analog Technology, Inc.]
Homepage  http://www.aatech.com.tw
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AAT3151 Datasheet(HTML) 2 Page - Advanced Analog Technology, Inc.

 
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Pin Descriptions
Pin Configuration
TDFN33-12/STDFN33-12
(Top View)
Pin #
Symbol
Function
1
D4
Current sink input #4.
2
EN/SET
AS
2Cwire serial interface control pin.
3
C1+
Flying capacitor 1 positive terminal. Connect a 1µF capacitor between C1+ and C1-.
4
C1-
Flying capacitor 1 negative terminal.
5
VOUT
Charge pump output to drive load circuit. Requires 1µF capacitor connected
between this pin and ground.
6
C2+
Flying capacitor 2 positive terminal. Connect a 1µF capacitor between C2+ and C2-.
7
C2-
Flying capacitor 2 negative terminal.
8
VIN
Input power supply. Requires 1µF capacitor connected between this pin and
ground.
9
GND
Ground.
10
D1
Current sink input #1.
11
D2
Current sink input #2.
12
D3
Current sink input #3.
EP
Exposed paddle (bottom). Connect to GND directly beneath package.
D4
EN/SET
C1+
1
C1-
VOUT
C2+
D3
D2
D1
GND
VIN
C2-
2
3
4
5
6
12
11
10
9
8
7
AAT3151
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
2
3151.2007.03.1.10


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