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EFE-Slide3

The topology selected for the EFE is based on TDK-Lambda's modified LLC topology. This patented circuit was originally used on the 90% efficiency NV series. The benefits for this topology are many and include lower ripple currents in the output capacitors which results in less heat rise and extended product life. Also, zero voltage switching in the power MOSFETs dissipates less heat, and the topology allows the synchronous rectifiers in the output to be self driven, again reducing power losses and keeping the efficiency high.

PTM Published on: 2011-11-04