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Power supplies fit space-constraint designs

Posted: 13 Mar 2009 ?? ?Print Version ?Bookmark and Share

Keywords:AC/DC? power supply? compact design?

ECP20 AC/DC power supply

XP Power has developed the ECP20 series of compact, low profile 20W AC/DC power supplies that are suitable for low power PCB-mounted applications.

Measuring just 67mm x 40mm x 18.6mm, delivering a power density of 6.6W per cubic inch, and a class leading efficiency of up to 87 percent, the units are suitable for designs where space is at a premium.

The series comprises a total of 11 models; eight single-output and three dual-output versions. Single-output units cover the nominal voltages of 3.3-, 5-, 9-, 12-, 24-, 30- or 48Vdc. Dual output models provide 12-, 15- or 24Vdc. With a low no-load power consumption of The units are also suitable for applications requiring a short duration of higher output power. All models have a peak load capability that can provide 130 percent of rated output power for a maximum of 30 seconds. In this way, design engineers need not specify a more expensive, higher wattage power supply just to accommodate such short peak load conditions.

In addition, the ECP20 series can operate across a wide range of temperatures, from 0C to + 50C without derating and up to + 70C with derating. No additional heat sinking or forced air flow is required for the power supplies to deliver its full power capability. The series has a Class II input, meaning that no grounding is required, so suits portable equipment designs, or where a reliable ground source is not always available.

External filtering components are not required since the power supplies already meet EN55022, level B for conducted and radiated EMC. All models carry the internationally recognized EN and UL safety approvals.

Available from stock, the ECP20 single output version is priced $25.74 for OEM quantities.

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