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带上负载用它升压时，我设置的是输出是输入的两倍，当我调节输入到15V时，芯片就烧了，这是怎么回事啊？
把你的原理图发出来看看
空载时是没问题的，输出是输入的两倍，但是接上负载后，我输入从0V升，到达14V左右电感会有细微的响声，之后芯片就冒烟了
