| Issue |
E3S Web Conf.
Volume 16, 2017
11th European Space Power Conference
|
|
|---|---|---|
| Article Number | 14011 | |
| Number of page(s) | 7 | |
| Section | Power Management & Distribution: DC/DC Converters | |
| DOI | https://doi.org/10.1051/e3sconf/20171614011 | |
| Published online | 23 May 2017 | |
Output Impedance Improvement Using Coupled Inductors
Dpt. Ingeniería Electrónica / ETSE, Universidad de Valencia, Avd. de la Universitat s/n, 46100 Burjassot, Spain
Email: esteban.sanchis@uv.es
When using a single DC/DC converter with multiple outputs and having a buck topology, which has one filter inductor per output, the designer can choose to couple these outputs together. This paper demonstrates additional benefits of coupling output inductors together. Apart from saving mass and volume, and due to an improved small signal behaviour it also reduces the output impedance of the regulated output. The paper will analyse a seven output push-pull converter used as a space power converter module and verify the theoretical results with experimental measurements.
Key words: small signal analysis / output impedance / coupled inductors / peak current control
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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