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Seminar Outline

 Limitations of today‟s 600 V Silicon

 Topologies where superjunction performs well

 Topologies where superjunction application is limited

 GaN HEMT characteristics

– Depletion-mode, cascode, enhancement-mode

– GaN applied to hard and soft-switching topologies

 Gate drive considerations for GaN

 PFC Application examples

– Standard boost, dual boost, totem-pole bridgeless

 LLC converter example

 ZVS phase-shifted full-bridge example

 Motor drive example

APEC 2015 Seminar S17