AAT3156 データシートの表示（PDF） - Analog Technology Inc
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AAT3156 Datasheet PDF : 14 Pages
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AAT3156
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9, 11
10
12
13
14
15
16
EP
Symbol
D6
EN/SET
N/C
VOUT
C2+
C1+
C1-
C2-
GND
IN
D1
D2
D3
D4
D5
Function
Current sink input #6.
AS2Cwire serial interface control pin.
No connection.
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 GND directly beneath package.
Pin Configuration
QFN44-16
(Top View)
D6 1
EN/SET 2
N/C 3
VOUT 4
AAT3156
12 D1
11 GND
10 IN
9 GND
2
3156.2005.09.1.2
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