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UCC28019: saber仿真模型报错

Part Number: UCC28019


根据芯片数据手册中的示例(图一)搭建了PFC仿真模型(图二),在Saber中进行直流工作点分析时报错(图三);如果忽略直流工作点分析时的报错直接进行瞬态仿真,输入输出电压及驱动电压采样点及波形见图四、图五。初步判断为芯片不工作,请问是否有解决方法?

图一

图二

图三

图四

图五