| 同步整流器驱动方式对开关电源效率的影响 |
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| 引用本文： | 宫元九 宋伟. 同步整流器驱动方式对开关电源效率的影响[J]. 辽宁大学学报(自然科学版), 1997, 24(2): 29-35 |
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| 作者姓名： | 宫元九 宋伟 |
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| 作者单位： | [1]辽宁大学电子科学与工程系 [2]哈尔滨理工大学 |
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| 摘 要： | 在低电压大电流输出的开关电源中，输出整流器的功率损耗是影响效率的关键因素，本文详细地分析了在采用功率ＭＯＳＦＥＴ实现整流输出的同步整流中技术中，同步整流器的驱动方式对电源效率的影响，指出采用控制驱动的方式可比自驱动方式获得更高的效率。
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| 关 键 词： | 控制驱动 开关电源 功率 同步整流器 驱动方式 |
Influences of Driven Methods on Synchronous Rectifier of Switch-mode Power Supply |
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| Gong Yuanjiu Zhang Shaocheng Liaoning University,Shenyang Song Wei Harbin University of Science and Technolgy,Harbin. Influences of Driven Methods on Synchronous Rectifier of Switch-mode Power Supply[J]. Journal of Liaoning University(Natural Sciences Edition), 1997, 24(2): 29-35 |
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| Authors: | Gong Yuanjiu Zhang Shaocheng Liaoning University Shenyang Song Wei Harbin University of Science Technolgy Harbin |
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| Affiliation: | Gong Yuanjiu Zhang Shaocheng Liaoning University,Shenyang 110036 Song Wei Harbin University of Science and Technolgy,Harbin 150080 |
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| Abstract: | The rectifier power loss is the key factor limiting the efficiency of a low voltage switch mode power supply. The influences of synchronous rectifier driving method on power supply efficiency are analysed in this paper. It is proposed that higher efficiency may be obtained by using control driven synchronous rectifier than by using self driven synchronous rectifier. |
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| Keywords: | Synchronous rectification Self driven Control driven Switch mode power supply Power MOSFET Schottky diode. |
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