APW8739
4-Channel LED Backlight Converter with SMBus Controlled
Features
4 channels 6V to 24V Input Voltage Supply Drive up to 68(17x4) White LEDs
(3.5V/180mA each) Current Match (balance) +/- 1% (Typ.) Current Accuracy +/-1% (Typ.) Built internal SW MOSFET Rds(on) 0.25 ohm (typ.) SMBus control to program below:
-LED Current: 22.58mA to 180 mA...