| 一种基于UC3844的多路输出电源设计 |
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| 引用本文： | 刘俊,楚君,王玲.一种基于UC3844的多路输出电源设计[J].电子工程师,2007,33(9):49-52. |
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| 作者姓名： | 刘俊 楚君 王玲 |
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| 作者单位： | 1. 湖南工程学院电气与信息工程系,湖南省湘潭市,411101
2. 湖南大学电气与信息工程学院,湖南省长沙市,410082 |
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| 摘 要： | 阐述了一种基于UC3844 PWM(脉宽调制)控制器的新型多路输出反激式开关电源电路的设计。给出了变压器、漏感消除电路、启动电路以及电压电流反馈电路的设计过程。实验结果表明,该电源性能优良,具有稳压效果好、纹波小、负载调整率高等优点。作为电机控制的电源模块,具有很高的应用价值。
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| 关 键 词： | 电流型PWM UC3844 反激式开关电源 |
| 修稿时间： | 2007-03-26 |
Design of a Multi-output Switching Power Supply Based on UC3844 |
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| LIU Jun,CHU Jun,WANG Lin.Design of a Multi-output Switching Power Supply Based on UC3844[J].Electronic Engineer,2007,33(9):49-52. |
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| Authors: | LIU Jun CHU Jun WANG Lin |
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| Affiliation: | 1. Department of Electrical and Information Engineering,Hunan Institute of Engineering,Xiangtan 411101 ,China; 2. College of Electric and Information Engineering, Hunan University, Changsha 410082, China |
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| Abstract: | The design of a new multi-output switching power supply based on UC3844 is proposed in this paper.The design of transformer,leakage inductance elimination circuit,start circuit and voltage and current feedback circuit is introduced in detail.Experiment results show that the power supply has good performance such as high voltage stability,low output voltage ripple,good load adjustment rate and so on.It can be used for motor control as a power module and has better application value. |
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| Keywords: | current PWM UC3844 flyback switch power |
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