| Issue |
EPJ Web of Conferences
Volume 40, 2013
JEMS 2012 – Joint European Magnetic Symposia
|
|
|---|---|---|
| Article Number | 16005 | |
| Number of page(s) | 4 | |
| Section | Sensors, MEMS and magnetic devices | |
| DOI | https://doi.org/10.1051/epjconf/20134016005 | |
| Published online | 14 January 2013 | |
https://doi.org/10.1051/epjconf/20134016005
Performances of interleaved and Face to Face integrated magnetic transformers
1
Université de Lyon, F42023, Saint Etienne, France
2
Université de
Saint Etienne, Jean Monnet, F42023, Saint Etienne,
France
3
LT2C, F42023, Saint Etienne, France
4
IUSTA – Abéché, TCHAD
Currently, most of integrated transformers are fabricated without magnetic core. In order to reduce the size and to improve their performances, we were interested in the study of integrated transformers based of thin ferrite films. Interleaved and Face to Face structures were simulated using the Ansoft HFSS simulator over a wide range of frequency (up to 100MHz). A high frequency electrical model has been defined to determine the main characteristics of the transformer and particularly the interwinding capacitance and coupling factor between primary and secondary windings. The simulation results allowed us to determine the geometrical dimensions of these structures in order to optimize the magnetic coupling coefficient and to minimize inter winding capacitance.
© Owned by the authors, published by EDP Sciences, 2013
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