A Fast Hysteretic Buck Converter With Adaptive Ripple Controller

被引：0

作者：

Wey, Chin-Long ^{[1
]}

Li, Ze-Yan ^{[1
]}

Chang, Kun-Chun ^{[1
]}

Sung, Gang-Neng ^{[2
]}

Wey, Dennis K. ^{[3
]}

机构：

[1] Natl Cent Univ, Deparment Elect Engn, Tao Yuan, Taiwan

[2] Natl Chip Implementat Ctr, Natl Appl Res Labs, Hsinchu, Taiwan

[3] Michigan State Univ, Dept Elect & Comp Engn, Lansing, MI 48864 USA

来源：

2012 IEEE 55TH INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2012年

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The paper presents the design of a fast voltage-mode hysteretic buck converter with adaptive ripple controller. The conventional hysteretic converters have the merit of fast response and yet stable operation. However, the output voltage ripple is always higher than the fixed window of the hysteretic comparator. The adaptive ripple controller is a circuit which automatically generates a virtual hysteresis window for the hysteretic comparator such that the output voltage ripples are stable within the fixed hysteresis window according to the load conditions. The hysteretic comparator with the adaptive ripple controller has been designed and implemented with the TSMC.35 CMOS process.

引用

页码：1156 / 1159

页数：4

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