AAT3129
High Efficiency 1X/1.5X/2X Charge Pump
for RGB Color LED Applications
Typical Characteristics
Operating Characteristics
(VIN = 4.2V; DR, DB, and DG in 1X Mode)
Operating Characteristics
(VIN = 3.9V; DR and DG in 1X Mode; DB in 1.5X Mode)
5.2V
4.1V
CP
(1V/div)
CP
(1V/div)
3.8V
VISRC
(1V/div)
VISRC
(1V/div)
IISRC
(50mA/div)
IISRC
(50mA/div)
100µs/div
100µµs/div
Operating Characteristics
(VIN = 3.6V; DR in 1X Mode; DG and DB in 1.5X Mode)
Line Response
(1X Mode; IISRC = 60mA)
VIN
5.3V
CP
(1V/div)
3.7V
4.2V
(1V/div)
VCP
(1V/div)
3.5V
VISRC
(1V/div)
VISRC
(1V/div)
IISRC
(50mA/div)
IISRC
(50mA/div)
100µµs/div
1ms/div
Line Response
(1X, 1.5X Mode; IISRC = 60mA)
VIN
(1V/div)
VCP
3.5V
3.9V
(1V/div)
VISRC
(1V/div)
IISRC
(50mA/div)
1ms/div
6
3129.2005.11.1.3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
