| 基于峰值电流控制的反激式LED电源设计 |
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| 引用本文： | 陈新兵,唐雄民,胡维,谢斌盛. 基于峰值电流控制的反激式LED电源设计[J]. 广州大学学报(自然科学版), 2014, 0(6): 65-68 |
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| 作者姓名： | 陈新兵 唐雄民 胡维 谢斌盛 |
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| 作者单位： | 广州大学实验中心;广东工业大学自动化学院; |
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| 基金项目： | 国家自然科学青年基金资助项目(51207026) |
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| 摘 要： | 针对高性能LED驱动成本偏高的问题,基于原边反馈与峰值电流控制方案,设计了一种经济型反激式电源拓扑,采用恒流驱动芯片BP9021A实现了其硬件电路,性能测试表明,该设计具有恒流特性好、性能稳定、结构简洁和成本低廉等优点.
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| 关 键 词： | 原边反馈 峰值电流模式 反激变换器 LED恒流驱动 |
Design of flyback LED power supply in peak current mode |
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| Affiliation: | CHEN Xin-bing,TANG Xiong-min,HU Wei,XIE Bin-sheng (1. Lab Center, Guangzhou University, Guangzhou 510006, China; 2. School of Automation, Guangdong University of Technology, Guangzhou 510006, China) |
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| Abstract: | For the high price of high-performance LED driver,a novel flyback power supply in peak current mode is designed by primary-side feedback,which is introduced in the aspect of topology,hardware and performance.The test results proved that it is a practical isolated power supply for LED with the characters of constant current,steady performance,simple structure,small size and low cost. |
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| Keywords: | primary-side feedback peak current mode flyback converter constant current LED driver |
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