| 高效率PWM DC/DC转换器的设计 |
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| 引用本文： | 徐静平,谭亚伟,钟德刚.高效率PWM DC/DC转换器的设计[J].计算机与数字工程,2007,35(9):139-142. |
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| 作者姓名： | 徐静平 谭亚伟 钟德刚 |
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| 作者单位： | 华中科技大学电子科学与技术系,武汉,430074 |
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| 摘 要： | 采用同步整流技术和轻负载条件下的自动突发模式,设计一种高效率PWM DC/DC转换器.将该转换器用于一个输出电压为3.3V的升压型开关电源系统中,HSPICE仿真结果表明,该转换器在轻、重负载时都具有高的效率,最高可达92.78%.
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| 关 键 词： | PWM控制 同步整流 自动突发模式 死区时间 效率 转换器 设计 Efficiency High Design 负载条件 仿真结果 HSPICE 开关电源系统 升压型 输出电压 突发模式 自动 同步整流技术 |
| 修稿时间： | 2006-02-20 |
Design of A High - Efficiency PWM DC/DC Converter |
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| Xu Jingping.Design of A High - Efficiency PWM DC/DC Converter[J].Computer and Digital Engineering,2007,35(9):139-142. |
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| Authors: | Xu Jingping |
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| Affiliation: | Xu Jingping |
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| Abstract: | In this paper,a high-efficiency PWM DC/DC Converter is proposed by using synchronous rectification technology and automatic burst mode operation at light loads. This converter has successfully been used for a 3.3 V step-up switching regulator system, and high efficiency at both light and heavy loads is confirmed through HSPICE simulation, with the highest efficiency of 92.78%. |
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| Keywords: | PWM control synchronous rectification burst mode dead-time |
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