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lcd backlight control

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lcd backlight controlApplication Brief

LCD Backlight Control
Introduction
Cell phones and other mobile products increasingly incorporate color LCD panels. Because these devices run on battery power with finite battery life, it is becoming more common to use a white LED that can emit bright light for backlighting while consuming little power. As a result, world demand for white LEDs is rapidly increasing. Monolithic Power Systems and Actel are meeting these needs by bringing to market a Fixed Frequency LCD Backlight Control System that realizes low-power consumption, high efficiency, and high precision.

Figure 1 Fixed Frequency LCD Backlight Control System

Monolithic Power Systems MP1529 Fixed Frequency White LED Driver
The MP1529 is a step-up converter plus three current sources for driving two 6-LED backl……
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lcd backlight control
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