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TPS54331的电感导致一上电就烧片

Other Parts Discussed in Thread: TPS54331

利用TPS54331电源芯片实现24转5V输出。电路图如下。测试的过程中,发现一上电24V,TPS54331烧毁。测量烧毁的芯片,2脚VIN对1脚,8脚,7脚短路。查找原因发现更换电感L800,就恢复正常。可能的原因是电感导致烧片,但不知道电感是如何导致烧片的原理,请专家指导一下,谢谢。