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求助呀!!!!

Other Parts Discussed in Thread: UC2844

各位TI的工程师你们好!

          最近在TI官网上下载了UC2844的SPICE模型,使用了TINA9仿真软件进行仿真,在使用示波器看各个点的波形是出现了 Operating point not found 。打开提示栏的帮助按钮,按照给的帮助提示自己尝试着去修改DC max. iteration number.,还是不行。

我现在不知道是什么原因导致的!恳求TI的各位工程师们,能够给予相关的帮助,在此万分的感谢!(注:附件中是我的仿真的原理图。)

DRIVER2.TSC