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Magnetic properties of compressed amorphous powder cores and their application to a fly-back converter

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8 Author(s)
Endo, I. ; Technol. Dev. Lab., Amagasaki, Japan ; Tatsumi, H. ; Otsuka, I. ; Yamamoto, H.
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Fe-based amorphous powder cores with glass binder were fabricated by hot-pressing techniques. The cores exhibited low core losses, relatively low effective permeability and high flux density, which are superior magnetic properties when applied to choking coil or fly-back transformers operating in the high frequency range. The core obtained was applied to a fly-back converter working at 100 kHz. The conversion efficiency examined at output power up to 300 W was higher than that of converters using a typical commercial Sendust core and a single gap ferrite core

Published in:

Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )

Date of Publication:

Sep 2000

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