LP5521 - Programmable Three Channel LED Driver

Product Overview

National Semiconductor

Part number	LP5521
Manufacturer	National Semiconductor
File Size	363.13 KB
Description	Programmable Three Channel LED Driver
Datasheet	LP5521 Datasheet
Additional preview pages of the LP5521 datasheet.

The LP5521 is a three channel LED driver designed to produce variety of lighting effects for mobile devices.

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 inductor or resistors required 200 nA typical shutdown current Automatic power save mode I2C compatible interface Independently programmable constant current outputs with 8-bit current setting and 8-bit.

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Published: Nov 28, 2008 |