参考TPS54620手册时,手册中提到按照下面的参考设计,可以将穿越频率提升到118K:

我使用tina仿真时(average model),实际该电路的穿越频率只有50K左右:

1): 为什么差异如此大? 找不到问题点
2):采用另外一个TPS54620模型(trans model),瞬态可以,但是交流一直报错,无法交叉验证
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