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电子工程专辑
28 天
开关电源中平面变压器的点点滴滴
1, PCB 型变压器 印刷电路 PCB(printed circuit board)型变压器可省去绕组骨架,能增大散热面积,能减小在高频工作时由集肤效应和邻近效应所引起的涡流损耗,也能增大电流密度,其电流密度最高可达 20A/mm,功率大,工艺简单。但用 PCB,窗口利用率低 ...
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