| PWM控制器SG3525的变频控制 |
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| 引用本文： | 贾玉芬,吕建军.PWM控制器SG3525的变频控制[J].煤矿机械,2011,32(2):204-206. |
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| 作者姓名： | 贾玉芬 吕建军 |
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| 作者单位： | 1. 张家口职业技术学院,河北,张家口,075000
2. 北京工业大学,北京,100022 |
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| 摘 要： | 以SG3525为例,简要介绍了PWM控制芯片的工作原理,分析了决定PWM控制芯片脉冲频率的主要因素及其关系,给出了用PWM控制芯片实现变频控制的思路与方法。
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| 关 键 词： | 开关电源 PWM SG3525 变频控制 |
Frequency Control Based on PWM Controller SG3525 |
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| JIA Yu-fen,LV Jian-jun.Frequency Control Based on PWM Controller SG3525[J].Coal Mine Machinery,2011,32(2):204-206. |
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| Authors: | JIA Yu-fen LV Jian-jun |
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| Affiliation: | JIA Yu-fen1,LV Jian-jun2(1.Zhangjiakou Vocational Technical College,Zhangjiakou 075000,China,2.Beijing University of Technology,Beijing 100022,China) |
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| Abstract: | For example SG3525,the working principle of PWM control chip is briefly introduced,the main factors decided to PWM control chip pulse frequency of the main factors affecting pulse frequency PWM control chip and their relationship are analyzed,the ideas and methods of frequency control based on PWM controller SG3525 are given. |
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| Keywords: | switching power supply PWM SG3525 frequency control |
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