Title :
Investigating effects of magnetizing inductance on coupled-inductor voltage regulators
Author :
Xiao, Shangyang ; Qiu, Weihong ; Wu, Thomas X. ; Batarseh, Issa
Author_Institution :
Intersil Corp., Milpitas, CA
Abstract :
Coupled inductors are an emerging topology for computing power supplies as next generation CPU requirements for high efficiency and fast transient response pose great challenge on voltage regulator design. This paper addresses the effects of magnetizing inductance on current-balancing, dynamic response, and current-sensing of multiphase voltage regulator with coupled inductors. State Space Averaging and other mathematical analysis methods are employed. Experimental results are provided to verify the analysis.
Keywords :
computer power supplies; inductance; inductors; transient response; voltage regulators; CPU requirement; coupled-inductor voltage regulator; dynamic response; magnetizing inductance; mathematical analysis method; power supply computing; transient response; Couplings; Inductance; Inductors; Mathematical analysis; Power supplies; Regulators; State-space methods; Topology; Transient response; Voltage;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2008. APEC 2008. Twenty-Third Annual IEEE
Conference_Location :
Austin, TX
Print_ISBN :
978-1-4244-1873-2
Electronic_ISBN :
1048-2334
DOI :
10.1109/APEC.2008.4522934
