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AAT3159 Datasheet(PDF) 2 Page - Advanced Analogic Technologies

Part No. AAT3159
Description  High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
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Maker  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
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AAT3159 Datasheet(HTML) 2 Page - Advanced Analogic Technologies

 
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AAT3159
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
ChargePumpTM
PRODUCT DATASHEET
2
3159.2007.10.1.0
www .analogictech.com
AAT3159
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
ChargePumpTM
PRODUCT DATASHEET
2
3159.2007.10.1.0
www .analogictech.com
Pin Descriptions
Pin #
Symbol
Function
1
D4
Current sink input #4. Connect to the cathode of LED4. If not used, connect D4 to the OUT pin.
2
SET
LED current setting resistor input/connection.
3
EN/SET
S2Cwire serial interface control input for LED current magnitude control.
4
C1+
Positive terminal of charge pump capacitor 1.
5
C1-
Negative terminal of charge pump capacitor 1.
6
OUT
Charge pump output. Connect all LED anodes to OUT.
7
C2+
Positive terminal of charge pump capacitor 2.
8
C2-
Negative terminal of charge pump capacitor 2.
9, 11
GND
Ground.
10
IN
Input power supply connection.
12
D1
Current sink input #1. Connect to the cathode of LED1. If not used, connect D1 to the OUT pin.
13
D2
Current sink input #2. Connect to the cathode of LED2. If not used, connect D2 to the OUT pin.
14
D3
Current sink input #3. Connect to the cathode of LED3. If not used, connect D3 to the OUT pin.
Pin Configuration
TSOPJW-14
(Top View)
1
2
3
4
5
6
14
13
12
11
10
9
D4
SET
EN/SET
C1+
C1-
OUT
D3
D2
D1
GND
IN
GND
7
8
C2+
C2-


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