In Alushta 20-25 September 2010 under the patronage of the National Academy of Sciences of Ukraine was held the international scientific-technical conference "Power electronics and energy efficiency-2010" , which was attended by scientists from Ukraine, Russia, Poland, Estonia, Austria, Germany, Syria and other countries. At the conference, a presentation was made by K. T. N.,technical Director of OOO NPP "IMPULSE" Kolosov Valery Ivanovich. His topic is "to minimize the static power losses in the key element of the single-ended DC/DC converters".