LM27964 Datasheet - Texas Instruments

LM27964 White LED Driver

The LM27964 is a charge-pump-based white-LED driver that is ideal for mobile phone display backlighting. The LM27964 can drive up to 6 LEDs in parallel along with multiple keypad LEDs, with a total output current up to 180mA. Regulated internal current sources deliver excellent current matching in a.

LM27964 Features

* 1

* 2 87% Peak LED Drive Efficiency

* 0.2% Current Matching between Current Sinks

* Drives 6 LEDs with up to 30mA per LED in Two Distinct Groups, for Backlighting Two Displays (main LCD and sub LCD)

* Dedicated Keypad LED Driver with up to 80mA of Drive Current

LM27964-etcTI.pdf