Title :
Micro-DC/DC converter that integrates planar inductor on power IC
Author :
Nakazawa, Haruo ; Edo, Masaharu ; Katayama, Yasushi ; Gekinozu, Masakazu ; Sugahara, Satoshi ; Hayashi, Zenchi ; Kuroki, Kazuo ; Yonezawa, Eiichi ; Matsuzaki, Kazuo
Author_Institution :
Fuji Electr. Corp. Res. & Dev. Ltd., Matsumoto City, Japan
fDate :
9/1/2000 12:00:00 AM
Abstract :
A 1 W class step-down micro-DC/DC converter that integrates a (4 mm×4 mm) planar inductor on a (4 mm×5 mm) power IC has been fabricated. The converter operation was stable at 3 MHz switching, achieving a power density of 5.6 W/cm3 and a converter efficiency of approximately 80%
Keywords :
DC-DC power convertors; inductors; power integrated circuits; 1 W; 3 MHz switching; 80 percent; converter efficiency; micro-DC/DC converter; planar inductor; power IC; power density; step-down converter; Circuit testing; DC-DC power converters; Driver circuits; Inductors; Magnetic films; Power integrated circuits; Power supplies; Pulse width modulation; Substrates; Switching converters;
Journal_Title :
Magnetics, IEEE Transactions on
