# [1]欧阳长莲,章国宝,严仰光.新一代计算机电源开关变换器的建模分析[J].东南大学学报(自然科学版),2001,31(6):81-86.[doi:10.3969/j.issn.1001-0505.2001.06.020] 　Ouyang Changlian,Zhang Guobao,Yan Yangguang.Modeling Analysis of Switch Converter in the Future Computer Power Supply[J].Journal of Southeast University (Natural Science Edition),2001,31(6):81-86.[doi:10.3969/j.issn.1001-0505.2001.06.020] 点击复制 新一代计算机电源开关变换器的建模分析() 分享到： var jiathis_config = { data_track_clickback: true };

31

2001年第6期

81-86

2001-11-20

## 文章信息/Info

Title:
Modeling Analysis of Switch Converter in the Future Computer Power Supply

1 南京航空航天大学自动化学院,南京 210016; 2 东南大学自动化研究所,南京 210096
Author(s):
1 College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; 2 Research Institute of Automation , Southeast University, Nanjing 210096, China)

Keywords:

TM131.1;TM133
DOI:
10.3969/j.issn.1001-0505.2001.06.020

Abstract:
This paper introduces modeling analysis of synchronous rectifier BUCK converter in the future computer power supply, which operates in continuous conduction mode (CCM). A new modeling method is given for including parasitic components of the converter. Power switch is equivalent to a series connection of an on-resistance and an ideal switch with is replaced by dependent current and voltage sources. Equivalent average values of on-resistance are determined based on the principle of energy conservation. In order to simplify the obtained models of the converter, a reflection rule is developed, with which averaged parasitic components are shifted to the inductor branch. Large-signal averaged, DC and small-signal circuit models of synchronous rectifier BUCK converter operating in continuous conduction mode are derived. The open-loop transfer functions are educed. It satisfies the simulated models. The advantages of the proposed method are that the operation quantity of the method is much smaller compared with state-space averaging method and the models include parasitic components of the converter. It is apparent and of clear physical significance, therefore, convenient for further analysis research.

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