LP5521 Datasheet (National Semiconductor) - Programmable Three Channel LED Driver

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