LT3799 simulation example 600Hz -> 50Hz

Hello,

I tried to simulate the LT3799 being driven by 50 Hz supply, not the 600 Hz as in the Linear's example (jigs).

The input current did not follow the input voltage at 50 Hz, just the opposite as it was at 600Hz.

Why is that ?

Is the PFC is depended on the mains frequency ?

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