UCC3895 Phase Shift PWM Controller

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SPICE simulation of average and transient model of the UCC3895, a phase-shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. It allows constant frequency PWM in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The input voltage is 50V and the output voltage is 3.3V. The transient SPICE simulation takes about 25 mins on a 4 core 2.8GHz machine.


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