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TPS54560 接通负载就烧毁 请大家指点一下!

Other Parts Discussed in Thread: TPS54560

TPS54560 接通负载就烧毁,1,2脚那里爆开,输入48V,输出24V,接的感性负载电磁离合器,功率大概72W,电路图如下,SW输出波形都正常,方波很漂亮,直接接8R电阻的话测试没问题,莫非接感性负载不行???请大家指点下~