期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 39, 期 4, 页码 2049-2056出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2003.812705
关键词
distributed power electronics; integrated passive components; microinductors
Inductors play a key role in dc-dc converters, but few options exist for implementing on-chip inductors for highly miniaturized, monolithic power converters. Microinductors constructed by standard microelectronic fabrication techniques with magnetic films as the core material have been investigated during the past 20 years with mixed results. A 13-mm(2) microinductor based on a spiral geometry and having L = 3.2 muH and Q = 1.3 at 1 MHz is reported here. Key issues regarding microinductor design and performance are discussed.
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