| 摘要 |
<p>PROBLEM TO BE SOLVED: To simplify a snubber circuit by lowering a spike voltage generated in a primary auxiliary winding or the voltage itself within a converter trans former comprising a flyback converter. SOLUTION: This converter transformer is provided with bobbins 3a-3e exceeding three each sectioned by a plurality of flanges 2a-2f in a resin made bobbin 2 to division arrange the the primary side windings P1-1, P1-2. P2 as well as the secondary side windings S1, S2 by different bobbins 3a-3e. Next, one bobbin 3a is independently wound up with a primary winding P2 for feeding a power source to a driving control and overcurrent protective circuits. Besides, another bobbin 3c provided in the space between this bobbin 3a at a distance from another bobbin 3b is wound up with the primary exciting winding P1-1. Finally, the bobbin 3b between the bobbins 3a and 3c respectively wound up with the primary exciting winding P1-1 and the primary auxiliary winding P2 is wound up with the secondary winding S2 or a primary winding constantly consuming power.</p> |
