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Design of high-input voltage regulator modules with a novel integrated magnetics

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2 Author(s)
Peng Xu ; Bradley Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA ; Lee, F.C.

A novel integrated magnetic structure was proposed to improve the performance of high-input voltage regulator modules (VRMs) by significantly reducing the leakage inductance of magnetics. Another benefits of using the proposed structure include reduced core loss, simplified manufacture process and reduction of the primary current ripple. As a result, the size and cost of VRMs could be reduced greatly. The concept was demonstrated on a push-pull forward VRM, which delivers power from a 48-V input to a 1.2-1.5 V/70 A microprocessor load

Published in:

Applied Power Electronics Conference and Exposition, 2001. APEC 2001. Sixteenth Annual IEEE  (Volume:1 )

Date of Conference:

2001