Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 36, Issue 5, Pages 3518-3520Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/20.908880
Keywords
micro-DC/DC converter; planar inductor; power IC
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A 1 W class step-down micro-DC/DC converter that integrates a (4 mm x 4 mm) planar inductor on a (4 mm x 5 mm) power IC has been fabricated. The converter operation was stable at 3 MHz switching, achieving a power density of 5.6 W/cm(3) and a converter efficiency of approximately 80%.
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