AAT3123 ETC, AAT3123 Datasheet - Page 13

• Manufacturer Part Number: AAT3123
• Description: High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
• Manufacturer: ETC

Additional Application Circuits
3123.2003.09.1.1
V
V
BATTERY
BATTERY
AAT3123 Driving a Display Module with 4 Paralleled White LED's
C
1µF
C
1µF
IN
IN
EN/SET
EN/SET
Typical AAT3123 Application Circuit
C
1µF
C
1µF
OUT
OUT
High Efficiency 1X/1.5X Fractional Charge
V
V
EN/SET
V
V
EN/SET
IN
OUT
AAT3123
IN
OUT
AAT3123
GND
GND
C1+
C2+
C1-
C2-
C1-
C2-
C1+
C2+
D1
D4
D1
D2
D3
D4
D2
D3
Pump for White LED Applications
D4
C1
1µF
C2
1µF
C1
1µF
C2
1µF
R
D1
B
D3
R
D2
B
D2
Display Module
Resistor R is optional
R
D3
B
D1
R
D4
B
13