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LM5025A方案效率偏低——如何提高系统效率?

Other Parts Discussed in Thread: LM5025A

你好,

     LM5025A方案效率偏低——如何提高系统效率?

     选择的是TILM5025A(有源钳位正激)。

     测试条件:输入60V,输出电压13.8,满载电流50A

   测试发现:输出电流20A,整机效率在87.5%

             输出满载(输出50A条件下)效率在80%

     系统损耗200W,热很明显。