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TPS54340的数据手册上只有用电阻调节、输出电压固定的例子，我想做一个稳压电源，请问可不可以接单片机用ＤＡ或者ＰＷＭ的办法控制输出电压？
可以尝试DAC的方式给到TPS54340的FB引脚（串入10K电阻），这样从0.2V-1V区间就可以调节输出电压大小。
