Efficiency Increase in On-Chip Buck Converter by Introduction of High Permeability Material to Inductor on Interposer

Abstract

H. FUKETA a) , Y. SHINOZUKA a) , K. ISHIDA a) , M. TAKAMIYA a) , T. FUJII b) , H. SHIMIZU b) , K. KOBAYASHI b) , T.SATO c) , and T. SAKURAI a)

On-chip buck converter with spiral ferrite inductor and reducing IR drop in 3D stacked integration

“…1) Efficiency improvement of the buck converter by introducing high permeability material to an inductor on interposer is investigated [1]. 2) A circuit technique to reduce IR drop in 3D stacked integration using the buck converter is presented [2].…”