| 两路单端电流反激式开关电源设计 |
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| 引用本文： | 张巧杰,熊鸣,祁鲲.两路单端电流反激式开关电源设计[J].北京机械工业学院学报,2011(4):35-39. |
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| 作者姓名： | 张巧杰 熊鸣 祁鲲 |
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| 作者单位： | 北京信息科技大学自动化学院,北京100192 |
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| 基金项目： | 国家自然科学基金项目（11072038）;北京信息科技大学人才引进项目（5029323302） |
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| 摘 要： | 论述了电流反激式开关电源工作原理,设计了一种以TOP223Y为核心的＋12、＋5 V双路输出稳压电源,详细说明了该电源的设计过程,提出了电路的改进及优化方案。通过测试得到的信号波形说明,该方法设计出的开关电源可以减小纹波和提高电源效率,保证电压的稳定输出。
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| 关 键 词： | TOP223Y 反激式开关电源 脉宽调制 |
Two-channel single-chip flyback switching power supply design |
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| ZHANG Qiao-jie,XIONG Ming,QI Kun.Two-channel single-chip flyback switching power supply design[J].Journal of Beijing Institute of Machinery,2011(4):35-39. |
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| Authors: | ZHANG Qiao-jie XIONG Ming QI Kun |
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| Affiliation: | ( School of Automation, Beijing Information Science and Technology University, Beijing 100192, China) |
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| Abstract: | The basic principal of current flyback switching power supply is introduced.A two-channel output of ＋12 V and ＋5 V flyback switching mode power supply based on TOP223Y is designed,and the structure of circuit system is analyzed briefly.The improving and optimizing project is put forward then.By testing the signal waveform,it is demonstrated that the design of this method can reduce the switching power supply ripple,improve the power supply efficiency and ensure stable voltage output. |
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| Keywords: | TOP223Y flyback switching power supply pulse width modulation |
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