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LM5122: LM5122升压,48V升到80V,8A,在LTspice里仿真失败

Part Number: LM5122


在TINA可以仿真成功,但是在在LTspice里输出和输出电压大致相同,HO为48v,LO为低电平,FB为0.7V,UVLO是1.4V