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UC3843做的反激电路,启动过程中原边和副边均会出现一个较大的尖峰电流,导致输出二极管会被烧毁,请问是什么原因呢?

各位前辈:

你们好,我最近在调试3843的反激电路,做的是原边反馈。启动过程中会出现一个很大的尖峰电流,根据测得电流波形,应该是启动过程中电感饱和了,但是该怎么解决呢.

你们好