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液晶显示背光驱动器的效率计算与优化_英版

消耗积分:1 | 格式:rar | 大小:790 KB | 2016-11-23

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Backlight displays have become the largest power consumer in mobile devices and personal electronics. When selecting components for an LED driver, efficiency is the most important consideration. The five main backlight driver components that generate the most power loss include: the boost inductor, switching FET, Schottky diode, quiescent current, and headroom voltage. This application note will provide the equations to calculate power loss from these five main components along with comparing the trade-offs of optimizing each depending on preference. Calculations for power loss, as well comparison of trade-offs for optimizing each component, are also provided.



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