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TPS54560B: 输入电容烧毁

n y
Prodigy 10 points
Part Number: TPS54560B

输入电压58V输出电压24V，测试输入电压纹波在600mV左右。输入电容四个2.2uF/100V ，其中靠近Vin脚的电容烧毁了，可能什么原因