A Digitally Controlled Transient Suppression Method for Integrated DC-DC Converters

被引：0
|
作者：
Ng, Kendy [1 ]
Wang, Jing [1 ]
Ng, Wai Tung [1 ]
机构：
[1] Univ Toronto, Edward S Rogers Sr Elect & Comp Engn Dept, Toronto, ON M5S 3G4, Canada
来源：
EDSSC: 2008 IEEE INTERNATIONAL CONFERENCE ON ELECTRON DEVICES AND SOLID-STATE CIRCUITS | 2008年
关键词：
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：
In this paper a transient suppression method applicable to integrated DC-DC converter is introduced. This method is designed for point-of-load applications where load current frequently varies. An auxiliary buck stage is added to a traditional buck stage that turns on only during transient to assist sinking or injecting load current. This helps swiftly to restore the output voltage to steady state and reduce transient variation. Simulation shows that for a 3W, 12V to 1V buck converter, this method effectively suppress the overshoot to be less than 3% when subjected to a 3A to 0A transient. This represents a 30% reduction in output voltage variations during transient comparing to control methods that only focus on fast recovery.
引用
收藏
页码：339 / 342
页数：4
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