LP5521 Datasheet - National Semiconductor

LP5521 Programmable Three Channel LED Driver

The LP5521 is a three channel LED driver designed to produce variety of lighting effects for mobile devices. High efficiency charge pump enables LED driving over full Li-Ion battery voltage range. The device has a program memory for creating variety of lighting sequences. When program memory has bee.

LP5521 Features

* Adaptive charge pump with 1x and 1.5x gain provides up to 95% LED drive efficiency

* Charge pump with soft start and overcurrent/short circuit

* protection Low input ripple and EMI Very small solution size, no in

LP5521 Datasheet (363.13 KB)