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Posts Tagged ‘LED’

ZXSC400 in the Luxeon High Powered LED and Datasheet

Saturday, September 12th, 2009

ZXSC400 is a voltage mode boost converter that can be used in white LED backlighting for LCD, general LED backlighting, LED flashlights or general LED driving from batteries. The following schematic diagram shows you how the ZXSC400 driving a Luxeon® V Star LED, a high powered LED. And we provide you also the datasheet of this device from the Zetex Semiconductors.

New RGB Backlighting System for Liquid Crystal Display

Tuesday, August 25th, 2009

We provide you with an article contain information about new backlighting system for Liquid Crystal Displays (LCDs) utilize RGB LED lightsources, an optical sensor and feedback controller. The aim of using optical feedback is a color stability over temperature, maintaining constant brightness, and controlling any color point or brightness required by the LCDs.

Wiring 555 IC as a Square Wave Oscillator for Two LED Flasher Application

Monday, August 3rd, 2009

the following article will provide you with an application kit – a two LED flasher which uses 555 IC Timer to be wired as a Square Wave Oscillator (astable operation mode). This application kit has a double ended output connection in which the LEDs will start to flash simultaneously ON and OFF when connected to a battery or 5V to 15V power supply.