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DC/DC converters boast 85% efficiency

Posted: 19 Nov 2008 ?? ?Print Version ?Bookmark and Share

Keywords:DC/DC converter? efficiency standard?

MEV, MEA series

Murata Power Solutions has launched two new series of isolated 1W, DC/DC converters that set new standards for efficiency, miniaturization and reliability.

The single output MEV and dual output MEA series are the new high performance versions of the company's NMV and NMA series. The new series build on this reputation to give designers the choice of an enhanced performance version of the current NMV and NMA family.

With efficiency levels from 84 percent, an improvement of 10 percent versus the existing products, the MEV and MEA series respond to the current industry emphasis on minimizing power usage. Improved load regulation performance of The MEV series is design to provide local supplies on control system boards with the added benefit of 3kVdc galvanic isolation to reduce switching noise. The MEA series meanwhile has 1kVdc isolation and is excellent for providing dual rail supplies.

Supplied in a UL 94V-0 industry standard pinout SIP 7 package measuring 19.5mm x 6mm x 10mm high, the RoHS-compliant MEV and MEA series have a power density of 0.85W/cm3. Both ranges offer input voltages of either 5V or 12V; output voltages range from 5V to 15V. The fully encapsulated design uses toroidal magnetics, ceramic substrates and capacitors. No external components are required.

The MEV and MEA series offer wide -40C to +85C temperature performance at full 1W load with free air convection cooling.

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