A fully integrated buck converter with a novel digital soft-start circuit

被引:0
|
作者
Zhang Z. [1 ,2 ]
Song M. [2 ]
Wang X. [2 ]
Cheng Z. [3 ]
Xie G. [2 ]
机构
[1] School of Information Science and Technology, Fudan University, Shanghai
[2] School of Electronic Science & Applied Physics, Hefei University of Technology, Hefei, Anhui
[3] Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai
来源
Xie, Guangjun (gjxie8005@hfut.edu.cn) | 2016年 / Taylor and Francis Ltd.卷 / 13期
关键词
Timing circuits;
D O I
10.1080/1448837X.2015.1092998
中图分类号
学科分类号
摘要
A novel digital soft-start circuit in the fully integrated buck converter is presented in this paper. The soft-start approach based on a linearly ramped-up reference is proposed to prevent massive in-rush current and overshoot voltage during the start-up phase of the buck converter. Compared with conventional soft-start circuit, the novel circuit is realized by a compact on-chip circuit that requires no external pins and is very simple as well. A fully integrated DC–DC buck converter with proposed circuit has been based on a 0.18 μm mixed signal CMOS process. The results show that this novel soft-start enables the output voltage of the converter to be linearly ramped up to the steady state. © 2015 Engineers Australia.
引用
收藏
页码:91 / 95
页数:4
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