NDLI: Anticipatory Control of Voltage Regulator Modules

Content Provider	IEEE Xplore Digital Library
Author	Khaligh, A. Friedl, A.P. Chapman, P. Emadi, A.
Copyright Year	2007
Description	Author affiliation: Illinois Inst. of Technol., Chicago (Khaligh, A.)
Abstract	Fast load transient response and tight regulation are two strict specifications of voltage regulator module (VRM) design for powering desktop and mobile microprocessors. This paper presents a VRM topology for microprocessor applications. In this topology, instead of conventional bulky capacitors, small metal-oxide-semiconductor field-effect transistors (MOSFETs) utilized to provide fast transient requirements of the system. VRM topology based on anticipatory control tightly maintains output voltage of the converter within the required output voltage ripple band during transients. In anticipatory control, since there is no need to instantaneous changes in the inductor current, therefore, the dynamic response of the converter to the load changes is ultra-fast. A 12/1.5-V, 25-A, and 300 kHz VRM, based on anticipatory control is designed, built and tested. The proposed topology is validated with detailed simulation and a hardware prototype.
Starting Page	1542
Ending Page	1547
File Size	4132775
Page Count	6
File Format	PDF
ISBN	1424407834
ISSN	1553572X
DOI	10.1109/IECON.2007.4460115
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-05
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage control Regulators Topology Microprocessors Transient response Capacitors FETs MOSFETs Inductors Testing
Content Type	Text
Resource Type	Article

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