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High Efficiency on Si-Integrated Microtransformers for Isolated Power Conversion Applications.
- Source :
-
IEEE Transactions on Power Electronics . Oct2015, Vol. 30 Issue 10, p5746-5754. 9p. - Publication Year :
- 2015
-
Abstract
- This paper details the design, fabrication, and characterization of silicon-integrated microtransformers for isolated bias supplies. Racetrack-shaped microtransformers were designed and fabricated using the advanced double-layer metal (DLM) microfabrication process. The DLM devices have high inductance density of more than 80 nH/mm2 with an efficiency of approximately 78.2% at 20 MHz at 0.5-W output. This is the highest efficiency and power density reported for an integrated transformer in the literature. The inductance drop is less than 20% with a bias current of 0.35 A with up to 6-kV dc breakdown voltage achieved. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08858993
- Volume :
- 30
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Power Electronics
- Publication Type :
- Academic Journal
- Accession number :
- 103129984
- Full Text :
- https://doi.org/10.1109/TPEL.2014.2372759