| 新型非隔离负电压DC/DC开关电源的设计与实现 |
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| 引用本文： | 黄雍俊,王剑,田联房. 新型非隔离负电压DC/DC开关电源的设计与实现[J]. 电测与仪表, 2011, 48(8): 72-75,96 |
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| 作者姓名： | 黄雍俊 王剑 田联房 |
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| 作者单位： | 华南理工大学自动化科学与工程学院,广州,510641;华南理工大学自动化科学与工程学院,广州,510641;华南理工大学自动化科学与工程学院,广州,510641 |
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| 基金项目： | 广东省高等学校学科与专业建设专项资金(粤教科函[2010]119号);广东省科技重大专项(2009A080305004);番禺区科技计划项目(2009-Z-39-1);番禺区科技计划项目(2010-专-12-04) |
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| 摘 要： | 针对现有非隔离负电压DC/DC开关电源在带负载能力以及输出纹波上的不足,提出了一种基于峰值电流控制的新型非隔离负电压DC/DC开关电源,实现在连续电流模式(CCM)下输出电容能始终通过输出电感得到充电.进而有效抑制输出纹波的影响,确保了负电源的高效率工作和带负载能力.实验结果验证了设计的可行性和有效性.
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| 关 键 词： | 负载能力 输出纹波 峰值电流控制 开关电源 |
Design and Implementation of a New Non-isolated Negative Voltage DC/DC Switch Power Supply |
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| HUANG Yong-jun,WANG Jian,TIAN Lian-fang. Design and Implementation of a New Non-isolated Negative Voltage DC/DC Switch Power Supply[J]. Electrical Measurement & Instrumentation, 2011, 48(8): 72-75,96 |
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| Authors: | HUANG Yong-jun WANG Jian TIAN Lian-fang |
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| Affiliation: | (College of Automation Science and Engineering,South China University of Technology, Guangzhou 510641,China) |
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| Abstract: | With the shortage in load ability and output ripple of non-isolated negative voltage DC/DC switch power supply at present,this paper proposes a new non-isolated negative voltage DC/DC power supply based on peak current control,which make output capacitance always gets charged by output inductance in continuous current mode(CCM).So the output ripple will be restrained,then the power supply will work efficiently and offer good load capability.The feasibility and availability of the design is validated by the result of experiments. |
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| Keywords: | load capability output ripple peak current control switch power supply |
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