Title :
Development of film transformer
Author :
Hayano, S. ; Midorikawa, Y. ; Saito, Y.
Author_Institution :
Coll. of Eng., Hosei Univ., Tokyo, Japan
fDate :
11/1/1994 12:00:00 AM
Abstract :
In order to realize the light and small power supplies, we propose a film shape transformer. This new transformer is constructed by chemical etching process. Experimental works show that this film transformer has about 98% coupling factor over 500 kHz and over 95% efficiency at 1.5 MHz. As an initial test, we applied our film transformer to a push-pull type DC to DC converter and succeeded in obtaining 11 W output power
Keywords :
DC transformers; DC-DC power convertors; high-frequency transformers; magnetic thin film devices; 95% efficienc; 98% coupling factor; chemical etching process; film shape transformer; film transformer; push-pull type DC to DC converter; Amorphous magnetic materials; Coaxial components; Coils; DC-DC power converters; Frequency; Magnetic cores; Magnetic films; Magnetic flux; Shape; Transformer cores;
Journal_Title :
Magnetics, IEEE Transactions on
