On-chip high performance magnetics for point-of-load high-frequency DC-DC converters

On-chip high performance magnetics for point-of-load high-frequency DC-DC converters

This paper presents the design, fabrication, and characterization of on silicon integrated micro-transformers for high frequency power applications. The microtransformer device is used and tested in DC-DC converter application at high switching frequency. This device has stable L vs. f characteristi...

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Bibliographic Details
Published in:2016 IEEE Applied Power Electronics Conference and Exposition (APEC) pp. 3097 - 3100
Main Authors: Dinulovic, Dragan, Shousha, Mahmoud, Haug, Martin, Gerfer, Alexander, Wens, Mike, Thone, Jef
Format: Conference Proceeding
Language:English
Published: IEEE 01-03-2016
Subjects:
Coils
Current measurement
DC-DC converter
Fabrication
high swetching frequency
Inductance
Loss measurement
Magnetic cores
Magnetisc on Silicon
Microtransformer
power conversion
power transformer
switched-mode power supply
Switching frequency
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Summary:This paper presents the design, fabrication, and characterization of on silicon integrated micro-transformers for high frequency power applications. The microtransformer device is used and tested in DC-DC converter application at high switching frequency. This device has stable L vs. f characteristic up to 50 MHz. The design is improved regarding to the electrical resistance and current capability. The microtransformer shows an inductivity of about 60 nH, resistance of 350 mΩ and can be applied for current up to 1.5 A.
ISBN:1467383937
9781467383936
DOI:10.1109/APEC.2016.7468306