| 基于控制器iW2202的数字开关电源原理与设计 |
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| 引用本文： | 韩广伟.基于控制器iW2202的数字开关电源原理与设计[J].电源技术应用,2006,9(4):44-48. |
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| 作者姓名： | 韩广伟 |
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| 作者单位： | 临沂师范学院 山东 |
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| 摘 要： | 数字开关电源控制器iW2202利用被称做Pulse TrainTM的专有数字控制技术和升压变换器与隔离回扫变换器相结合的BIFRED拓扑,获得超过85%的效率和接近1的功率因数。主要介绍了iW2202的主要特点、工作原理和基于iW2202的70 W膝上电脑电源设计。
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| 关 键 词： | iW2202 数字单级PFC Pulse TrainTM SMPS设计 |
| 收稿时间： | 10 17 2005 12:00AM |
Principle and Design of Digital SMPS Based on Controller iW2202 |
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| HAN Guang-wei.Principle and Design of Digital SMPS Based on Controller iW2202[J].Power Supply Technologles and Applications,2006,9(4):44-48. |
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| Authors: | HAN Guang-wei |
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| Affiliation: | Linyi Teachers College, Linyi Shandong 276005, China |
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| Abstract: | The digital SMPS controller uses a proprietary new digital control technology called Pulse Train?and the BIFRED topology, which combines a Roost converter with an isolated flyback converter to achieve efficiency in excess of 85% and a near-unity power factor. The main features, working principle of iW2202 and design of 70 W laptop computer power supply based on iW2202 are introduced. |
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| Keywords: | iW2202 digital single-stage PFC: Pulse Train? SMPS design |
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