AAT3129
High Efficiency 1X/1.5X/2X Charge Pump
for RGB Color LED Applications
Typical Characteristics
Turn-On to 1.5X Mode
(VIN = 3.6V; ISRC = 60mA)
Turn-On to 1X Mode
(VIN = 4.2V; ISRC = 60mA)
EN/SET
(2V/div)
EN/SET
(2V/div)
CP
(2V/div)
CP
(2V/div)
IISRC
(50mA/div)
IISRC
(50mA/div)
100µµs/div
100µµs/div
Turn-On to 2X Mode
(VIN = 2.8V; ISRC = 60mA)
Turn-Off from 1.5X Mode
(VIN = 3.6V; Addr = 2; Data = 16)
EN/SET
(2V/div)
EN/SET
(2V/div)
VISRC
(2V/div)
CP
(2V/div)
IISRC
(50mA/div)
IISRC
(50mA/div)
100µµs/div
100µs/div
3129.2005.11.1.3
5