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1. 发明申请

WO2018089313A1 LOW COMMON MODE NOISE TRANSFORMER STRUCTURE WITH EXTERNAL FLOAT WIRE MOUNT 审中-公开
标题翻译：具有外部浮线导线的低共模噪声变压器结构
公开(公告)号：WO2018089313A1
公开(公告)日：2018-05-17
申请号：PCT/US2017/060237
申请日：2017-11-06
申请人： POWER INTEGRATIONS, INC.
发明人： HWANG, Kyunghoon
IPC分类号： H01F27/38 , H01F38/42 , H01F27/28 , H02M3/33
CPC分类号： H01F27/38 , H01F27/289 , H01F38/42 , H01F2027/297 , H01F2038/426 , H02M3/33507
摘要： A transformer structure is disclosed to reduce common mode noise on an output load. The transformer structure includes a bobbin mounted on a magnetic core, a plurality of windings wound around the bobbin. The plurality of windings include a primary winding coupled to receive an input voltage, a secondary winding coupled to an output load; and a floating auxiliary winding located between the primary and secondary winding. The floating auxiliary winding includes a first terminal and a second terminal coupled to a pair of external float wires extended towards an isolation mounting sheet placed adjacent to an exterior top surface of the transformer structure. The pair of external float wires forms parallel adjacent and open-ended conductive traces with a predefined pattern on the isolation mounting sheet placed above the exterior top surface of the transformer structure.
摘要翻译：公开了一种变压器结构以降低输出负载上的共模噪声。变压器结构包括安装在磁芯上的绕线管，缠绕绕线管的多个绕组。多个绕组包括耦合成接收输入电压的初级绕组，耦合到输出负载的次级绕组; 以及位于初级和次级绕组之间的浮动辅助绕组。浮动辅助绕组包括第一端子和第二端子，所述第一端子和第二端子联接到朝向隔离安装片延伸的一对外部浮动线，所述隔离安装片放置为与变压器结构的外部顶部表面相邻。这对外浮线形成平行的相邻和开放式导电迹线，在隔离安装片上的预定义图案位于变压器结构的外部顶表面上方。

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