| 一种超宽输入范围的开关电源的设计 |
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| 引用本文： | 陈丹江,张伟,肖质红,叶银忠. 一种超宽输入范围的开关电源的设计[J]. 电气自动化, 2011, 33(3): 65-67 |
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| 作者姓名： | 陈丹江 张伟 肖质红 叶银忠 |
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| 作者单位： | 上海海事大学;浙江万里学院;上海应用技术学院; |
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| 基金项目： | 浙江省优秀青年教师资助项目(SF01000440) |
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| 摘 要： | 介绍了一种基于升压电路和反激电路的超宽输入范围的开关电源电路.其中升压电路采用PFC控制芯片实现,反激电路采用TOPSwitch控制.在输入电压较低的情况下,采用先升压再DC/DC变换的工作模式;在输入电压较高的情况下,直接采用DC/DC变换的模式.两种模式的切换采用迟滞比较器进行控制.实验结果表明,当输入范围达到交流...
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| 关 键 词： | 超宽输入范围 开关电源 升压电路 反激电路 迟滞比较 |
Design of a Switching Power Supply with Super Wide Voltage Input Range |
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| Chen Danjiang,Zhang Wei,Xiao Zhihong,Ye Yinzhong. Design of a Switching Power Supply with Super Wide Voltage Input Range[J]. Electrical Automation, 2011, 33(3): 65-67 |
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| Authors: | Chen Danjiang Zhang Wei Xiao Zhihong Ye Yinzhong |
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| Affiliation: | Chen Danjiang1,2 Zhang Wei2 Xiao Zhihong2 Ye Yinzhong3 (1.Shanghai Maritime University,Shanghai 200135,China,2.Zhejiang Wanli University,Ningbo Zhejiang 315100,3.Shanghai Institute of Technology,Shanghai 200235,China) |
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| Abstract: | A new switching power supply with super wide voltage input range based on boost and flyback circuit was presented in this paper.The boost circuit was controlled by L6561 and flyback circuit was controlled by TOPSwitch.When input voltage was low,this voltage was stepped up by boost circuit and then converted by flyback circuit.If input voltage was high,this voltage was connected to flyback circuit directly.These two modes were controlled by a hysteresis comparator.The experimental results show that when inpu... |
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| Keywords: | super wide input range switching power supply boost circuit flyback circuit circuit hysteresis comparator |
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