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| 基于UCC3817A的有源功率因数校正器设计 |
| Design of Power Factor Corrector Based on UCC3817A |
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| DOI：10.3969/j.issn.1671-5322.2012.04.005 |
| 中文关键词: 功率因数校正 开关电源 谐波 UCC3817A |
| 英文关键词: PFC(power factor correction) switching power supply harmonic UCC3817A |
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| 中文摘要: |
| 提高开关电源的功率因数已经成为当前电源产业的当务之急。选择UCC3817A作为有源功率因数校正控制芯片，通过具体电路的设计和主要元件参数的选择，介绍它在抑制开关电源谐波中的应用。制作实验样机进行实验验证，结果表明该样机满足功率因数校正要求，且电路结构简洁，设计过程简单。 |
| 英文摘要: |
| It is now urgent for power industry to increase the power factor of switching power supply.UCC3817A is chose as active PFC IC,and its application in harmonic suppression is introduced by analyzing the circuit design and by selecting the parameters of the main components.The experimental prototype is designed for verification,and the results demonstrate that it meets the requirements of power factor correction and that the circuit structure and the design process are simple. |
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