附件电路使用了TI参考设计,Q1经常被击穿,在测试T2波形11,12脚波形会超过30V, 但是IRF8113(参考设计推荐)手册中介绍这个MOSFET管最大电压是30V, 在同步整流MOSFET管(Q1)关闭时,它的漏极(D)有一个瞬间30V的尖波,且每个开关周期都会存在。
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