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开关电源反馈环路稳定性分析与设计研究 被引量:1

Stability Analyses and Design of Feedback Loop of Switching Power Supply
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摘要 文章首先对开关电源反馈环路的基本原理以及常用反馈补偿方式及特点进行阐述,然后以反激式开关电源设计为例,对反馈环路和补偿的关键电路进行计算设计后,对反馈环路在PCB布局方面给出一定的建议,具有一定的参考价值。 In this paper,the basic principle of the feedback loop of switching power supply and the commonly used feedback compensation methods as well as characteristics are described.Finally,taking the fly-back switching power supply as an example,the key circuits of feedback loop and compensation are calculated and designed,and some suggestions on PCB layout of feedback loop are given.
作者 徐巧玲 袁会东 孙吴松 XU Qiao-ling;YUAN Hui-dong;SUN Wu-song(School of Automotive and Mechanical Engineering,Lu'an Vocational and Technical College,Lu’an,Anhui,237000;NanjingByton Automotive Technology Co.,Ltd.,Nanjing 210046,China)
出处 《安徽职业技术学院学报》 2020年第1期24-27,共4页 Journal of Anhui Vocational & Technical College
基金 2016年度安徽省教育厅高校优秀青年人才支持计划重点项目“‘互联网+’环境下农村微电网电能质量改善的研究”(gxyqZD2016571) 安徽省教育厅2018年度高校优秀青年人才支持计划项目“基于DSP和FPGA高频开关电源的研究与设计”(gxyq2018197)。
关键词 开关电源 反馈环路 动态响应 振荡 补偿 相位裕度 switching power supply feedback loop dynamic response oscillation compensation phase margin
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