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LM5116: 上电瞬间芯片靠近供电引脚烧了一个洞,同时测量mos驱动发现低端mos驱动引脚对地短路

Part Number: LM5116


输入电压70v,输出电压设定54v 2a 。给dcdc上电瞬间出现上电瞬间芯片靠近供电引脚烧了一个洞,同时测量mos驱动发现低端mos驱动引脚对地短路。