| 单端正激变压器的设计 |
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| 引用本文： | 吕银芳,许会玲,王侃权.单端正激变压器的设计[J].现代电子技术,2007,30(8):19-20,23. |
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| 作者姓名： | 吕银芳 许会玲 王侃权 |
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| 作者单位： | 1. 陕西金山电器有限公司,陕西,咸阳,712021
2. 陕西凌华电子有限公司,陕西,宝鸡,721006 |
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| 摘 要： | 开关电源非常广泛地应用在通讯、计算机、汽车和消费电子产品等领域。开关电源主要有两种模式,一种是AC/DC模式,一种是DC/DC模式。作为开关电源核心元件的变压器主要起隔离、变压、能量转换的作用。磁芯是变压器的关键元件,他的选择尤为重要,他对变压器的效率、稳定性等起着决定性的作用。变压器的发展方向是高频化、小型化。主要论述了高频小功率DC/DC变压器的设计方法及低损耗磁芯的选用原则。
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| 关 键 词： | 高频 单端正激变压器 低功耗铁氧体 设计 |
| 文章编号： | 1004-373X（2007）08-019-02 |
| 收稿时间： | 2006-10-26 |
| 修稿时间： | 2006-10-26 |
Design of Single Ended Forward Transformer |
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| LV Yinfang,XU Huiling,WANG Kanquan.Design of Single Ended Forward Transformer[J].Modern Electronic Technique,2007,30(8):19-20,23. |
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| Authors: | LV Yinfang XU Huiling WANG Kanquan |
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| Affiliation: | 1. Shaanxi Jinshan Electric Appliances Ltd. ,Xianyang,712021,China;2. Shaanxi Linghua Electronics Ltd. ,Baoji,721006,China |
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| Abstract: | The switch mode power supply is widely used in communication,computer,automobile and electric products.It has two series,one is AC/DC,the other is DC/DC.The transformer plays an important role in the switch mode power supplies,such as isolating,voltage changing and energy transferring.The ferrite core is the key component for the transformer,its property decides the efficiency and reliability of a transformer.The developing trend is high frequency and small-sized to a transformer.This paper introduces how to design a single ended forward transformer and how to choose the lower losses power ferrite core to meet the performance requirements of DC/DC transformer. |
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| Keywords: | high frequency single ended forward transformer lower losses ferrite design |
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