| 超宽范围输入的开关电源电路设计 |
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| 引用本文： | 薛明歧,沈雷明. 超宽范围输入的开关电源电路设计[J]. 电源技术应用, 2009, 12(10): 26-27,30 |
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| 作者姓名： | 薛明歧 沈雷明 |
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| 作者单位： | 江苏斯菲尔电气有限公司,江苏江阴214451 |
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| 摘 要： | 本文介绍了一种基于TOP242N集成芯片的超宽范围输入的开关电源设计方法,其输入电压可在80～400V的范围内正常工作,对单端反激式开关电源的电路及其外围电路的设计也进行了相关分析说明,其设计方法也适用于用其它的各类芯片的电路。
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| 关 键 词： | 开关电源 TOP242N 脉宽调制 超宽范围 交流400V输入 |
A Design of Switching Power Supply Circuit with Ultra-wide Range of Input |
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| XUE Mingqi,SHEN Leiming. A Design of Switching Power Supply Circuit with Ultra-wide Range of Input[J]. Power Supply Technologles and Applications, 2009, 12(10): 26-27,30 |
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| Authors: | XUE Mingqi SHEN Leiming |
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| Affiliation: | XUE Mingqi,SHEN Leiming (Jiangsu Sfere Electric Co.,Ltd,Jiangyin 214431,China) |
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| Abstract: | In this paper,we introduce a design method for switching power supply based on TOP242N integrated chip,with ultra-wide input range from 80V to 200V Also,we discuss the internal structure and working principles of TOP242N and analyze the main and peripheral circuits of single-end flyback switching power supply.Our design approach can be applied to other chips. |
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| Keywords: | Switching Power Supply TOP242N Pulse-width Modulation Ultra-wide Range of Input AC 400V Input |
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