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[SOLVED] CCM BOOST PFC ltspice simulation confusing point

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Li123

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Hello i would like to simulate PFC CCM using ltspice,and find a exited model to use, but in the model there is a point i am not clear, i already highlight it wiht red coulor,could you kindly tell me what's that meaning?

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FvM

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The PFC control algorithm needs some explanation, where did you get it?
 

CataM

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In a CCM boost, you have d(t)=1-Vin(t)/Vout. That is what is implemented by B2 source and E6 source.
 

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