磁珠及其在开关电源中的应用
作者:张厚升 上传时间:2007-5-30 14:53:03
摘要:本文介绍了铁氧体磁珠及其工作原理,分析了磁珠与电感的联系与区别,着重介绍了片式电感与片式磁珠及其应用。详细分析了磁珠在开关电源设计过程中的使用与选用。
叙词:磁珠,铁氧体,电磁干扰(EMI),电感
Abstract:The ferrite magnetic bead and its principle of work are introduced in this paper. The relation and the difference of magnetic bead and inductance are analyzed. Chip inductor and chip magnetic bead are introduced emphatically. Finally, the use and the select of ferrite magnetic in switching power supply design process are given in detail.
Keyword:magnetic bead, ferrite, Electro Magnetic Interference (EMI), inductance
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