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Reducing magnetic size by coupling for high frequency integrated POL converter (2007)
Year: 2007

With the LTCC(Low Temperature Co-fire Ceramic) process, it is revealed that employing coupled inductor can greatly reduce the magnetic size and footprint.
The following pictures of the conventional non-coupled inductors and coupled inductor for the same application, 70nH/20A per inductor, explicitly demonstrate the significance of the couple concept.