| 摘要 |
<p>PURPOSE:To enable a high frequency switching power supply transformer to be restrained from increasing in leakage inductance and loss. CONSTITUTION:An input winding wire 3 is wound on a ferrite core 1 where a groove 1a is formed in spiral on its outer circumference, and a belt-like conductor 4 as an output winding wire is wound on the outer side of the winding wire 3. By this setup, a gap between the ferrite core 1 and the winding wire 3 is diminished to restrain a high frequency switching power supply transformer of this design from increasing in leakage inductance and loss.</p> |
