SYS-CON MEDIA Authors: Carmen Gonzalez, Sean Houghton, Glenn Rossman, Ignacio M. Llorente, Xenia von Wedel

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Efficient Power Conversion (EPC) Introduces Development Board for High Current, High Step-Down Buck Converter Applications

Efficient Power Conversion Corporation (EPC) introduces the EPC9016 half-bridge development board for high current, high step-down voltage, buck Intermediate Bus Converter (IBC) applications using eGaN FETs. In this application two low-side (synchronous rectifier) field effect transistors (FETs) are connected in parallel since they will be conducting for a much longer period compared to the single high side (control) FET.

eGaN FETs have superior current sharing capability compared to silicon MOSFETs, making them ideal for parallel operation. This development board expands upon EPC’s work on optimal layout based on ultra-low inductance packages. The optimum layout techniques used increase efficiency while reducing voltage overshoot and EMI.

The EPC9016 development board is a 40 V maximum device voltage, 25 A maximum output current, half-bridge and featuring the EPC2015 eGaN FET with an onboard LM5113 gate driver. The half-bridge configuration contains a single topside device and two parallel bottom devices and is recommended for high step-down ratio buck converter applications such as point-of-load converters and buck converters for non-isolated telecom infrastructure.

The development board is 2” x 1.5” and contains all critical components and layout for optimal switching performance. There are also various probe points to facilitate simple waveform measurement and efficiency calculation.

A Quick Start Guide, http://epc-co.com/epc/Products/DemoBoards/EPC9016.aspx, is included with the EPC9016 development board for reference and ease of use.

EPC9016 development boards are priced at $130 each and are available for immediate delivery from Digi-Key at http://www.digikey.com/Suppliers/us/Efficient-Power-Conversion

Design Information and Support for eGaN FETs:

About EPC

EPC is the leader in enhancement mode gallium nitride based power management devices. EPC was the first to introduce enhancement-mode gallium-nitride-on-silicon (eGaN) FETs as power MOSFET replacements in applications such as DC-DC converters, wireless power transfer, envelope tracking, RF transmission, solar micro inverters, remote sensing technology (LiDAR), and class-D audio amplifiers with device performance many times greater than the best silicon power MOSFETs. Visit our web site: www.epc-co.com.

Sign-up to receive EPC updates via email: http://bit.ly/EPCupdates or text "EPC" to 22828

Follow EPC on Twitter at http://twitter.com/#!/EPC_CORP

Like EPC on Facebook at http://www.facebook.com/EPC.Corporation

eGaN is a registered trademark of Efficient Power Conversion Corporation, Inc.

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