AAT3122 Ver la hoja de datos (PDF) - Advanced Analogic Technologies

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Fabricante

AAT3122

High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications

Advanced Analogic Technologies 

AAT3122

High Efficiency 1X/1.5X Fractional Charge

Pump for White LED Applications

Pin Descriptions

Pin #

1

2

3

4

5,6,7,8

9

10

11

12

Symbol

C2+

OUT

C1-

C1+

D

EN/SET

IN

GND

C2-

Function

Flying Capacitor 2 + terminal. Connect a 1.0µF Capacitor between C2+ and C2-

Charge pump output. Requires 1.0 µF bypass capacitor to ground.

Flying Capacitor 1 - terminal

Flying Capacitor 1 + terminal. Connect a 1.0µF Capacitor between C1+ and C1-

Output current Source with drive capability of up to 120mA.

Input Control Pin. Serial data interface that controls the level of output current. See

application information for more details.

Input power supply. Requires 1uF bypass capacitor to ground.

Ground

Flying Capacitor 2 - terminal

Pin Configuration

TSOPJW-12

C2+ 1

OUT 2

C1- 3

C1+ 4

D5

D6

12 C2-

11 GND

10 IN

9 EN/SET

8D

7D

2

3122.2004.08.1.2

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