A full bridge circuit including a transformer for performing voltage conversion including a primary side winding and a secondary side winding, an input capacitor for supplying an input power, and a first switch to a fourth switch, A rectifier bridge circuit having a first diode to a fourth diode connected to the secondary side winding, a rectifier bridge circuit connected to the rectifier bridge circuit, An active clamp circuit composed of an active clamp switch and a clamp capacitor connected in series and an output inductor connected to the active clamp circuit so that the energy received from the primary circuit through the transformer is connected to the output inductor and the active clamp circuit Which includes a secondary side circuit for transferring the output signal to an output capacitor A copper clamp full bridge converter is disclosed.
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