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UCC28056 Design Calculator计算得到的损耗(FET LOSS)过高

Other Parts Discussed in Thread: UCC28019A, UCC28056

如图,根据TK20A60U的参数填入后,发现第139行Psw数值有30多W,但实测远没有这么多。


手动把Coss的数值改小后,Psw也明显降低,请问能否帮忙解答,为什么Coss过高时会算出这么大的损耗?(而实际测得的损耗并没有这么大。)