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An EMI suppression MOSFET driver

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1 Author(s)
Yee, H.P. ; Semi-Tech. Design Inc., Seattle, WA, USA

The MOSFFTs dVdrain/dt during turn off is sensed by the EMI suppression driver circuit, which selectively adjust the Vgs transition time at a voltage near the MOSFFT's threshold voltage. This technique controls the dVdrain/dt and reduces the EMI noise produced by a hard switching power MOSFET while keep its power loss at a minimum

Published in:

Applied Power Electronics Conference and Exposition, 1997. APEC '97 Conference Proceedings 1997., Twelfth Annual  (Volume:1 )

Date of Conference:

23-27 Feb 1997