| 基于UC3844的反激式开关电源设计 |
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| 引用本文： | 张波,汪义旺,凌湘斌.基于UC3844的反激式开关电源设计[J].通信电源技术,2014(3):27-29. |
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| 作者姓名： | 张波 汪义旺 凌湘斌 |
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| 作者单位： | [1]苏州市职业大学电子信息工程学院,江苏苏州215104; [2]江苏省光伏发电工程技术研究开发中心,江苏苏州215104 |
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| 基金项目： | 2012年江苏省高校大学生实践创新训练计划项目（2012JSSPITP4077）;苏州市职业大学成果创新项目（2013SZDCC02） |
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| 摘 要： | 电源的优劣直接影响到各类电子设备的性能，文中设计了一款性能优良的开关电源。该电源控制电路以UC3844为核心进行设计；DC/DC变换主电路采用单端反激式电路；电源电压反馈部分采用典型的TL431加光耦PC817。实验结果表明该电路效率高，输出稳定，性能优越，成本相对较低。
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| 关 键 词： | 集成控制器 单端反激式 电流模式 反馈控制 |
The Design of Single-Ended Flyback Switching Mode Power Supply Based on UC3844 |
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| Affiliation: | ZHANG Bo, WANG Yi-wang, LING Xiang-bin ( 1. Department of Electronic Information Engineering, Suzhou Vocational University, Suzhou 215104 , China; 2. Jiangsu Photovoltaic Power Generation Engineering Technology Research and Development Centers, Suzhou 215104, China) ( 1. Department of Electronic Information Engineering, Suzhou Vocational University, Suzhou 215104 , China; 2. Jiangsu Photovoltaic Power Generation Engineering Technology Research and Development Centers, Suzhou 215104, China) |
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| Abstract: | Power directly affect the performance of various types of electronic equipment,so we designed one excellent performance switching mode power supply.Taking UC3844 as the core of the design of the power supply control,the DC/DC converter main circuit uses a single-ended flyback circuit.Supply voltage feedback section using typical optocoupler PC8 1 7 and TL43 1 ,the paper gave a detailed analysis.The experimental results show that the circuit has high efficiency, stability of output,superior performance and relatively low cost. |
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| Keywords: | integrated controller single-ended flyback current mode feedback control |
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