| 摘要 |
This disclosure relates to switched-mode power supplies, to transformers for such power supplies, and to methods of operating switched-mode power supplies. A switch mode power supply (SMPS), the switched-mode power supply having a power input, a switch, a transformer, and a power output; said transformer having a primary winding on a primary side of said power supply coupled to said power input via said switch, and a secondary winding on a secondary side of said switched-mode power supply coupled to said power output; wherein said transformer further includes first and second auxiliary windings, wherein said first auxiliary winding is more closely coupled to said primary winding than to said secondary winding and wherein said second auxiliary winding is more closely coupled to said secondary winding than to said primary winding.
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