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Original question:
LM5145: SW voltage stress check
LM5145输入48V，输出26V，空载情况下
LM5145 SW引脚存在-16.465V下冲，脉冲宽度4.67ns
麻烦评估一下存在该下冲的情况下LM5145是否会损坏；如果会损坏，大概多久损坏
Hi 风险很大的。
建议你用webench在线仿真确认一下电路，但是重点在于确认layout，特别是SW, 建议严格按照datasheet参照和说明来做。
