Integrated Transformers With Magnetic Thin Films

This paper presents the design and electrical performance of transformers with magnetic thin films for on-chip power conversion and isolation. The inductance of the devices is greatly enhanced by the use of a high-permeability magnetic material as a solenoid core, resulting in an inductance density...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2016-07, Vol.52 (7), p.1-4
Main Authors: Hao Wu, Lekas, Michael, Davies, Ryan, Shepard, Kenneth L., Sturcken, Noah
Format: Article
Language:English
Subjects:
Circuit faults
CMOS integrated circuits
Couplings
Density
Devices
Inductance
Integrated magnetic devices
Magnetic cores
magnetic thin-films
Magnetism
on-chip transformers
Permeability
Quality factor
Solenoids
Thin films
Transformers
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Description
Summary:This paper presents the design and electrical performance of transformers with magnetic thin films for on-chip power conversion and isolation. The inductance of the devices is greatly enhanced by the use of a high-permeability magnetic material as a solenoid core, resulting in an inductance density of 108 nH/mm 2 . The total thickness of the transformer structures is
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2016.2515501