| 摘要 |
PROBLEM TO BE SOLVED: To reduce the cost of an energy transfer element for power converter circuits. SOLUTION: In one embodiment, the energy transfer element includes a magnetic element having an external surface with at least a first winding and a second winding wound around the external surface of the magnetic element without a bobbin. As such, energy received from a power converter circuit input is transferred from the first winding to the second winding through a magnetic coupling provided by the magnetic element to a power converter circuit output. COPYRIGHT: (C)2005,JPO&NCIPI
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