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TPS40210-SEPIC耦合式变压器设计



TPS40210-做了12v2.5电源,使用SEPIC方案,总希望效率能再高一点(已经使用双电感),看到介绍使用耦合式变压器能提高2-3%文章,变压器按照反激变压器设计吗?有什么参考设计吗?