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在全桥变换器上用它做原边的驱动，电源启动的时候该芯片有sink电流，峰值1A，容易导致芯片损坏，想请教一下是什么问题？
你好，可以先确认一下HB脚上的电容值和推荐值是否一致，排查上电时电源直接通过二极管对此电容充电导致二极管烧坏的可能。
