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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mano, Y. Seok Bae Jinseok Moon Hyungmi Jung Yongsoo Oh |
| Copyright Year | 2005 |
| Description | Author affiliation: Central R&D Inst., Samsung Electro-mechanics Co., Ltd, Suwon, South Korea (Mano, Y.; Seok Bae; Jinseok Moon; Hyungmi Jung; Yongsoo Oh) |
| Abstract | The demand for miniaturized magnetic passive devices in power modules has been rapidly growing with mobile handset technology. Thus, we developed a minimum construction and sized planar inductor for micro DC-DC converters with a ferrite plating method and conventional flexible PCB processes. The ferrite plating process made it possible to deposit Ni-Zn spinel ferrite on a Cu electroplated planar coil without a non-magnetic insulation layer. These samples of a planar inductor with ferrite layers achieved a high quality factor of 17/spl sim/24 at 3/spl sim/5 MHz and inductance of 1.25/spl sim/1-30 /spl mu/H in 6.0/spl times/6.0/spl times/0.19/spl sim/0.20 mm/sup 3/, respectively. In addition, the estimated power loss of this developed inductor at 5 MHz in a switching buck DC-DC converter was about 15.7%. It showed excellent capability for portable power systems. |
| Sponsorship | Korean Sensors Soc |
| Starting Page | 891 |
| Ending Page | 894 |
| File Size | 565634 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780389948 |
| DOI | 10.1109/SENSOR.2005.1496561 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-05 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Inductors Ferrites DC-DC power converters Magnetic devices Multichip modules Mobile handsets Coils Insulation Q factor Inductance |
| Content Type | Text |
| Resource Type | Article |
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