| 一种新型的单端反激式开关电源的设计 |
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| 引用本文： | 龚希宾,刘星桥,凌俊杰. 一种新型的单端反激式开关电源的设计[J]. 广西工学院学报, 2004, 15(2): 50-53 |
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| 作者姓名： | 龚希宾 刘星桥 凌俊杰 |
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| 作者单位： | 江苏大学电气学院,江苏,镇江,212013;江苏大学电气学院,江苏,镇江,212013;江苏大学电气学院,江苏,镇江,212013 |
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| 基金项目： | 江苏自然科学基金(BK9509504)资助。 |
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| 摘 要： | 阐述了一种采用UC3842集成芯片实现的单端反激式开关电源。根据UC3842的特性给出了该新型开关电源的具体设计步骤,并给出了详细的电路参数及高频变压器的设计方法。该开关稳压电源采用双闭环电流控制模式,其输入、输出电路采用光耦隔离。经测试表明按此方法设计的+24V/1.5A的开关稳压电源可靠性高。
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| 关 键 词： | 单端反激式 高频变压器 光耦隔离 |
| 文章编号： | 1004-6410(2004)02-0050-04 |
| 修稿时间： | 2004-03-02 |
The design of a new type of switching power supply with single-ended flyback |
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| GONG Xi-bin,LIU Xing-qiao,LING Jun-jie. The design of a new type of switching power supply with single-ended flyback[J]. Journal of Guangxi University of Technology, 2004, 15(2): 50-53 |
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| Authors: | GONG Xi-bin LIU Xing-qiao LING Jun-jie |
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| Abstract: | A switching power supply with single-ended flyback is introduced, in which an integrated chip named UC3842 is used.Based on the features of the chip,the paper provides the concrete designing steps of the new type of switching power supply.Detailed parameters of the circuit,and the design method of the high-frequency transformer are given.The mode of double closed-loop control is adopted in the switching power supply,its input and output circuits apply the optical coupler isolation.According to the tests,the switching power supply of +24V/1.5A designed by this method is of high reliability. |
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| Keywords: | single-ended flyback high-frequency transformer optical coupler isolation |
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