MAX1748EVKIT: FAQ

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  • MAX1748evkit产生-10V/+9V偏置电压失效,原因是什么?

    MAX1748是常用的TFT供电方案,可以从3.3V或5V产生一路主电源和两路正/负高压偏置电源,适用于电压稳定度要求较高的应用。 标准的MAX1748evkit设计为输出10V/200mA主电源,以及-5V/+15V偏置电源,有些TFT屏则需要由5V电源产生-10V/+19V偏置电压,故通过调节反馈分压电阻,直接把MAX1748evkit的输出改为-10V/+19V,空载时输出正常(-9.5V…

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