LP5526 Datasheet - National Semiconductor

LP5526 Lighting Management

LP5526 is a Lighting Management Unit for portable applications. It is used to drive display backlights, keypad LEDs, RGB LEDs and camera flash LEDs. LP5526 can drive 2 separately connected strings of LEDs with high voltage boost converter. The RGB driver allows driving either individual color LEDs o.

LP5526 Features

* n High efficiency boost converter with programmable output voltage up to 20V n 2 individual drivers for serial display backlight LEDs n Automatic dimming controller n Stand alone RGB controller n Dedicated flash function n Safety function to avoid prolonged flash n 3 general purpose IO pins n 25-bum

LP5526_NationalSemiconductor.pdf