LP5521 Programmable Three Channel LED Driver

National Semiconductor

Description

LP5521 Programmable Three Channel LED Driver June 2007 LP5521 Programmable Three Channel LED Driver General .
The LP5521 is a three channel LED driver designed to produce variety of lighting effects for mobile devices.

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Datasheet Specifications

Part number: LP5521
Manufacturer: National Semiconductor
File Size: 363.13 KB
Datasheet: LP5521_NationalSemiconductor.pdf
Description: Programmable Three Channel LED Driver

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

Applications

* Fun / indicator lights LCD sub-display backlighting Keypad RGB backlighting and phone cosmetics Vibra, speakers, waveform generator Typical Application 20186270 © 2007 National Semiconductor Corporation 201862 www. national. com LP5521 Connection Diagrams and Package Mar

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LP5521 Programmable Three Channel LED Driver National Semiconductor

National Semiconductor LP5521-like datasheet