| 基于UC3846的开关电源电压反馈的优化设计 |
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| 引用本文： | 宋鹏,孔令刚.基于UC3846的开关电源电压反馈的优化设计[J].重庆工学院学报,2008,22(8). |
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| 作者姓名： | 宋鹏 孔令刚 |
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| 作者单位： | 兰州交通大学国家绿色镀膜技术与装备工程技术研究中心，兰州交通大学光电技术与智能控制教育部重点实验室 |
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| 摘 要： | 介绍并比较了电流模式PWM控制器中电压反馈的基本电路,设计出了基于电流控制型PWM控制芯片UC3846的电压反馈的实用电路,该电路能满足在高频电路、非线形负载情况下稳定的输出.实验结果证明,该电路具有较好的控制特性和稳定性.
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| 关 键 词： | UC3846 PWM控制 电流模式控制 电压反馈 |
Optimal Design for Voltage Feedback in Switch Power Supply Based on UC3846 |
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| SONG Peng a,KONG Ling-gang b.Optimal Design for Voltage Feedback in Switch Power Supply Based on UC3846[J].Journal of Chongqing Institute of Technology,2008,22(8). |
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| Authors: | SONG Peng a KONG Ling-gang b |
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| Abstract: | This paper introduces and compares the circuit of voltage feedback in the PWM controller of the current mode,designs a kind of circuit with voltage feedback of UC3846 based on the current mode,which satisfies the stable output in the high frequency circuit,nonlinear load circumstance.Experiment result proves that the circuit has good control characteristic and control stability. |
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| Keywords: | UC3846 PWM control current mode control voltage feedback |
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