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AAT3167 Datasheet(PDF) 2 Page - Advanced Analog Technology, Inc.

Part No. AAT3167
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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AAT3167 Datasheet(HTML) 2 Page - Advanced Analog Technology, Inc.

 
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Pin Descriptions
Pin Configuration
QFN44-16
STDFN33-14
(Top View)
(Top View)
D4
EN/SET
C1+
1
C1-
OUTCP
C2+
D3
D1
GND
IN
GND
C2-
D5 2
3
4
5
6
7
14
D2
13
12
11
10
9
8
1
2
3
4
12
11
10
9
N/C
EN/SET
N/C
OUTCP
GND
IN
GND
D1
Pin #
AAT3167ISN
AAT3167IFO
Symbol
Function
1, 3
n/a
N/C
No connection.
2
3
EN/SET
AS2Cwire serial interface control pin.
4
6
OUTCP
Charge pump output to drive load circuit. Requires 1µF ceramic capacitor
connected between this pin and ground.
5
7
C2+
Flying capacitor 2 positive terminal. Connect a 1µF ceramic capacitor
between C2+ and C2-.
6
4
C1+
Flying capacitor 1 positive terminal. Connect a 1µF ceramic capacitor
between C1+ and C1-.
7
5
C1-
Flying capacitor 1 negative terminal.
8
8
C2-
Flying capacitor 2 negative terminal.
9, 11
9, 11
GND
Ground.
10
10
IN
Input power supply. Requires 1µF ceramic capacitor connected between
this pin and ground.
12
12
D1
Current sink input #1.
13
13
D2
Current sink input #2.
14
14
D3
Current sink input #3.
15
1
D4
Current sink input #4.
16
2
D5
Current sink input #5.
EP
EP
Exposed paddle (bottom); connect to ground as closely as possible to the
package.
AAT3167
High Efficiency 1X/1.5X/2X Charge
Pump for White LED Applications
2
3167.2007.03.1.4


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