| 摘要 |
The invention is a power converter having a transformer with a primary side winding and a secondary side winding. Both the primary side and the secondary side have switches which are switched on and off alternately. When the primary master switch is switched on, the transformer charges. When the primary master switch is switched off, the intrinsic capacitance of the secondary slave switch discharges generating the zero voltage switching condition for the secondary slave switch. The secondary slave switch is switched on at a time determined in accordance with the waveform generated by the transformer. When the secondary slave switch is switched on, the transformer discharges and ultimately the charge from an output capacitor flows into the transformer as a backflow which charges the transformer. The secondary slave switch is switched off at a time determined in accordance with a current flowing through said secondary switch. The intrinsic capacitance of primary master switch discharges generating the zero voltage switching condition for primary master switch which is then switched on and the cycle repeats.
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