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电源加载的时候，偶尔有时驱动方波不规则，移向占空比也乱掉，几个周期后就好了，但同一桥壁两个方波倒是对称的。有谁碰到过，是怎么回事呢？
可能跟你的反馈环路有关，你可以看看你误差放大器输出波形是否不稳定。
