| 基于原边控制的LED驱动电源设计 |
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| 引用本文： | 沈霞,张永春,李红伟.基于原边控制的LED驱动电源设计[J].电源技术,2012,36(8):1171-1173. |
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| 作者姓名： | 沈霞 张永春 李红伟 |
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| 作者单位： | 1. 西南石油大学电气信息学院,四川成都,610500
2. 常州工学院电子信息与电气工程学院,江苏常州,213002 |
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| 基金项目： | 四川省教育厅重点项目资助 |
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| 摘 要： | LED由于其节能,环保而在照明领域得到广泛应用。为减少器件,降低成本,在传统的反激变换器的基础上,采用飞兆FAN100控制芯片设计了一种原边控制的LED驱动电源。在阐述了原边控制的原理和优点基础上,给出了电路原理图,关键元件的参数计算和选取方法。实验结果证明了该设计的可行性和有效性。
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| 关 键 词： | LED驱动电源 反激变换器 原边控制 |
Design of LED power supply based on primary side control |
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| SHEN Xia
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ZHANG Yong-chun
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LI Hong-wei.Design of LED power supply based on primary side control[J].Chinese Journal of Power Sources,2012,36(8):1171-1173. |
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| Authors: | SHEN Xia ZHANG Yong-chun LI Hong-wei |
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| Affiliation: | 1(1.School of Electronics and Information Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China; 2.School of Electronic information & Electric Engineering,Changzhou Institute of Technology,Changzhou Jiangsu 213002,China) |
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| Abstract: | LED has been widely used in lighting areas for its energy saving and environment projection.In order to decrease elements and costs,a primary control LED driver power supply was designed based on FAN100.The circuit diagram of power supply without photocoupler was designed,and the methods of parameter calculation and device selection were given after analysis of principles and advantages of primary control.At last,the feasibility and validity of this design was proved through the results of experiments. |
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| Keywords: | power supply of LED flyback converter primary side control |
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