TI专家好,
现在用LM27313来做一款LCD升压背光电路,要求输出19.2V/20mA,想用PWM调光方式,帮忙看看是否可以?
谢谢!
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Hi
按照你TPS27313的电路,实际上已经是可以PWM调光的,它是通过将PWM信号滤波成直流影响FB反馈进而达到控制亮度的。