A chip-area efficient voltage regulator for VLSI systems

Authors:
Ka Nang Leung;Yuan Yen Mai;Philip K. T. Mok
Affiliations:
Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong and Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technolo ...;Supertex, Inc., Kowloon, Hong Kong and Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong;Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong
Venue:
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Year:
2010

Citing 2
Cited 0

Adaptively-biased capacitor-less CMOS low dropout regulator with direct current feedback

ASP-DAC '06 Proceedings of the 2006 Asia and South Pacific Design Automation Conference
Design of Analog CMOS Integrated Circuits

Design of Analog CMOS Integrated Circuits

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Abstract

This paper presents an error amplifier structure to improve load regulation of low-voltage low-dropout regulators. The proposed error amplifier has ultrawide swing to extend the high-gain region so that the size of power transistor can be reduced. Experimental results show that the required power transistor size is reduced by 25% to achieve similar performance in load regulation. Moreover, extra power consumption and increase of silicon area are not significant.