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Part Number
|
LP3933 |
|
Manufacturer
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National Semiconductor |
|
Description
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Lighting Management |
|
Published
|
Mar 22, 2005 |
|
Detailed Description
|
LP3933 Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
March 2004
LP3933 Lighting Management S...
|
|
Datasheet
|
LP3933
|
Overview
LP3933 Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
March 2004
LP3933 Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
General Description
The LP3933 is a complete lighting management system designed for portable wireless applications.
It contains a boost DC/DC converter, 4 white-LED drivers to drive the main LCD panel backlight, 2 white-LED drivers for the subLCD panel and two sets of RGB/FLASH LED drivers.
Both backlight drivers have 8-bit constant current drivers that are separately adjustable and matched to 0.
5% (typ.
).
The RGB LED drivers are PWM-driven with programmable color, intensity and blinking patterns.
In addition, they feature...
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