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AAT3140 Datasheet(PDF) 2 Page - Advanced Analog Technology, Inc.

Part No. AAT3140
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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AAT3140 Datasheet(HTML) 2 Page - Advanced Analog Technology, Inc.

 
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Pin Descriptions
Pin Configuration
TSOPJW-12
(Top View)
1
2
3
4
5
6
12
11
10
9
8
7
C2+
CP
C1-
C1+
D3
D2
C2-
GND
IN
EN/SET
D1
D4
Pin #
Symbol
Function
1
C2+
Flying capacitor 2 positive terminal. Connect a 1µF capacitor between C2+
and C2-.
2
CP
Charge pump output. Requires 1µF capacitor connected between this pin and
ground.
3
C1-
Flying capacitor 1 negative terminal.
4
C1+
Flying capacitor 1 positive terminal. Connect a 1µF capacitor between C1+
and C1-.
5
D3
Current source output #3.
6
D2
Current source output #2.
7
D4
Current source output #4.
8
D1
Current source output #1.
9
EN/SET
S
2Cwire serial interface control pin.
10
IN
Input power supply. Requires 1µF capacitor connected between this pin and
ground.
11
GND
Ground.
12
C2-
Flying capacitor 2 negative terminal.
AAT3140
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
2
3140.2007.03.1.3


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