DESIGN OF A HIGH-FREQUENCY PLANAR POWER TRANSFORMER IN MULTILAYER TECHNOLOGY

被引:49
作者
VANDERLINDE, D
BOON, CAM
KLAASSENS, JB
机构
[1] Hollandse Signaalapparaten B.V., The Hague
[2] Delft University of Technology, Delft
关键词
D O I
10.1109/41.88907
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A high-frequency power transformer in multilayer printed circuit board (ML-PCB) technology is presented for applications in switched-mode power supplies operating at frequencies up to several megahertz. The mechanical configuration of laboratory prototypes is discussed, as well as the electrical, parasitic, and thermal behavior. The presentation is focused on the leakage inductance since the analysis of other aspects is relatively simple. Test results show high efficiency, low leakage inductance, good thermal behavior, and line insulation properties of the transformer. Further, the topology enables the designer to make a tradeoff between leakage inductance and interwinding capacitance. Due to the well-defined geometry, parasitic interwinding capacitance and leakage inductance are reproducable and can be computed relatively easily.
引用
收藏
页码:135 / 141
页数:7
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