1. University of Palermo,Department of Engineering,Palermo,Italy
2. University of Enna Kore,Faculty of Engineering and Architecture,Enna,Italy
3. National Research Council of Italy,Institute for High Performance Computer and Networking,Palermo,Italy
4. STMicroelectronics,ADG Power and Discretes R&D Division,Catania,Italy
5. STMicroelectronics,R&D and Public Affairs,Catania,Italy