| 一种Boost型PFC电路在DCM下的恒频控制方案 |
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| 引用本文： | 潘飞蹊,涂祺铠,梁昆凯,敬守勇.一种Boost型PFC电路在DCM下的恒频控制方案[J].电子器件,2011,34(4):453-458. |
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| 作者姓名： | 潘飞蹊 涂祺铠 梁昆凯 敬守勇 |
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| 作者单位： | 深圳大学电子科学与技术学院;深圳大学光电工程学院; |
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| 基金项目： | 广东省大学生创新实验项目(1059010037) |
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| 摘 要： | 通过对Boost型变换器在不连续导电模式DCM(Discontinued Conduction Mode)下平均电感电流的分析,得到了在恒 频状态下实现功率因数校正 PFC ( Power Factor Correction)时,功率开关管所需的开启时间与输入、输出电压之间的数学关系,并结合实际电路设计,提出了一种PF...
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| 关 键 词： | 有源功率因数校正 Boost型变换器 不连续导电模式 恒频控制 |
A Control Method for Boost PFC Regulator Operating in DCM with Constant Switching Frequency |
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| PAN Feixi,TU Qikai,LIANG KunKai,JING Shouyong.A Control Method for Boost PFC Regulator Operating in DCM with Constant Switching Frequency[J].Journal of Electron Devices,2011,34(4):453-458. |
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| Authors: | PAN Feixi TU Qikai LIANG KunKai JING Shouyong |
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| Affiliation: | PAN Feixi~(1*),TU Qikai~1,LIANG KunKai~1,JING Shouyong~2 (1.College of Electronic Science and Technology,Shenzhen University,Shenzhen 518060,China,2.College of Optoelectronic Engineering,China) |
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| Abstract: | The average inductor current of a Boost converter operating in Discontinued Conduction Mode(DCM) is analyzed,and the mathematical relationship between the power switch turn-on-time and input-output voltage is found to guarantee that the converter operates with constant switching frequency as a Power Factor Correction(PFC) regulator.Along with a practical circuit design,this paper proposes a PFC control method employing the sampling circuit of input-output voltage and a double integral circuit,with which the... |
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| Keywords: | active power factor correction Boost type converter discontinuous conduction mode constant frequency control |
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