A Current Average Control Method for Transient-Glitch Reduction in Variable Frequency DC-DC Converters

被引：0
|
作者：
Chen, Hsin-Shu [1 ,2 ]
Tai, Jia-Nan [1 ,2 ]
Chen, Yi-Jan Emery [1 ,2 ]
Chen, Jau-Horng [3 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Elect Engn, Taipei, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei, Taiwan
[3] Natl Taiwan Univ, Dept Engn Sci & Ocean Engn, Taipei, Taiwan
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2017年
关键词：
Variable frequency; transient glitch; DC-DC; EMI; MODULATION; DESIGN;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A control method of reducing transient-glitch voltage in variable frequency (VF) DC-DC converters is proposed in this paper. By modulating the period between two hopping frequencies to a calculated time length, the proposed control method keeps the average of the inductor current undisturbed and leads to less transient effects. Simulation results show the improvements on the transient-glitch voltage, the transient settling time, and the transient spur are about 85.3%, 46.4% and 17.6dB respectively when the switching frequency hops between 1.1MHz and 3.9MHz.
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页数：4
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