High Efficiency 1X/1.5X/2X Charge Pump
for RGB Color LED Applications
Typical Characteristics
Operating Characteristics
(V
IN
= 4.2V; DR, DB, and DG in 1X Mode)
CP
(1V/div)
V
ISRC
(1V/div)
I
ISRC
(50mA/div)
4.1V
AAT3129
Operating Characteristics
(V
IN
= 3.9V; DR and DG in 1X Mode; DB in 1.5X Mode)
CP
(1V/div)
V
ISRC
(1V/div)
I
ISRC
(50mA/div)
5.2V
3.8V
μ
100μs/div
μ
100μs/div
Operating Characteristics
(V
IN
= 3.6V; DR in 1X Mode; DG and DB in 1.5X Mode)
5.3V
V
IN
(1V/div)
V
CP
(1V/div)
V
ISRC
(1V/div)
I
ISRC
(50mA/div)
Line Response
(1X Mode; I
ISRC
= 60mA)
CP
(1V/div)
V
ISRC
(1V/div)
I
ISRC
(50mA/div)
3.5V
3.7V
4.2V
μ
100μs/div
1ms/div
Line Response
(1X, 1.5X Mode; I
ISRC
= 60mA)
V
IN
(1V/div)
V
CP
(1V/div)
V
ISRC
(1V/div)
I
ISRC
(50mA/div)
3.5V
3.9V
1ms/div
6
3129.2007.01.1.4