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- W3194716448 abstract "In this work, we present the analytical model of buck converter with 3D in-package air-core inductor (150 μm thick). To optimize the power efficiency at a targeted power density, models including 3D inductor and power switches are developed. Compared to 3D EM simulation, the proposed inductor model has a modeling error within 12% for the inductance calculation. With the proposed design methodology, an inductor with Q-factor up to 35 @ 300 MHz is achieved. From the system aspect, the loss breakdown in the integrated power converter is investigated. A 0.5-ratio buck converter can reach 88.5% efficiency @ 1–5W/mm2 based on the optimized inductor designs, with output voltage ranging from 0.7 V to 0.9 V and based on 28 nm CMOS." @default.
- W3194716448 created "2021-08-30" @default.
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- W3194716448 date "2021-01-01" @default.
- W3194716448 modified "2023-10-01" @default.
- W3194716448 title "System Optimization: High-Frequency Buck Converter with 3D In-Package Air-Core Inductor" @default.
- W3194716448 doi "https://doi.org/10.1109/tcpmt.2021.3102435" @default.
- W3194716448 hasPublicationYear "2021" @default.
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