EPC EPC9105

Description

The EPC9105 demonstration board is a nominal 48 V input, 12 V output,1.2 MHz resonant intermediate bus converter (IBC) with a 30A maximum output current and 36 V to 60 V input voltage range.The demonstration board features the EPC2001 (100 V rated) andEPC2015 (40 V rated) enhancement mode on silicon field effect transistors(eGaN® FETs) as well as the first eGaN FET specific integratedcircuit driver – the Texas Instruments LM5113. The EPC9105 board isintended to showcase the performance that can be achieved usingthe eGaN FETs and eGaN driver together in high frequency resonantapplications.The EPC9105 demonstration board’s active area is 1.18 x 1.76 inches,designed to occupy the same board area as a standard eighth brickconverter. The demonstration board is oversized to allow connec-tions for bench evaluation. The additional board area outside of theactive IBC area contains a minimum number of connections to ensurean accurate thermal profile of the eGaN FET based IBC.There are various probe points to facilitate simple waveform measurementsand efficiency calculations. For more information on theEPC2001 or EPC2015 eGaN FETs, or the LM5113 driver, please referto the datasheets available from EPC at www.epc-co.com and www.TI.com. For more detailed circuit information, see the block diagramsin figure 1, figure 2, and the demonstration board schematic

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