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IEICE Trans

Kouhei YAMADA

Over Current Protection for PFM Control DC-DC Converter
Kouhei YAMADA Satoshi SUGAHARA Nobuo FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/05/01
Vol. E92-A  No. 5  pp. 1301-1307
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
DC-DC converter, PFM, over current protection, bottom current limiting, 
 Summary | Full Text:PDF
High Efficiency PWM Controlled Micro DC-DC Converter for Portable Electronic Equipments
Satoshi SUGAHARA Kouhei YAMADA Tetsuya KAWASHIMA Masaharu EDO Toshiro SATO Kiyohito YAMASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3704-3711
Type of Manuscript:  PAPER
Category: Energy in Electronics Communications
Keyword: 
DC-DC converter, efficiency, micro inductor, miniaturization, 
 Summary | Full Text:PDF
Capacitance Value Free Switched Capacitor DC-DC Voltage Converter Realizing Arbitrary Rational Conversion Ratio
Kouhei YAMADA Nobuo FUJII Shigetaka TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Vol. E87-A  No. 2  pp. 344-349
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
switched capacitor circuit, voltage converter, DC-DC converter, voltage reference, 
 Summary | Full Text:PDF