LLC VCO LTspice simulation

Thread Starter

Lyes

Joined Nov 25, 2019
12
Hi everybody,
I'm using this controller for my half bridge LLC converter:
https://www.st.com/resource/en/datasheet/l6599a.pdf
the spice model does not exist and the datasheet don't tell how they manage to got the gate drive H and L behinde the VCO
i have built the VCO according to the datasheet:
1606302693271.png
a got this in CF:

1606303268343.png
my question is how can i have a gate signal from the signal in CF
GA have to be on when the capacitor charges, and GB have to be on when the capacitor discharges
 

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