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Ultracompact power supply fits small real estate

Posted: 18 Jul 2008 ?? ?Print Version ?Bookmark and Share

Keywords:supply AC/DC? 25W ultracompact? PCB?

From XP Power comes the ECL25, a series of single output, ultracompact, low-power AC/DC power supplies. Extending the current ECL product lineup of 10W and 15W units, the new 25W output family is available in chassis, PCB or encapsulated PCB mount formats. With dimensions of 76.2mm x 35.6mm x 26.7mm for the PCB mount version, the units suit low power, low cost applications where board or chassis space is limited. With a power density of 5.7W per cubic inch, the supplies offer one of the highest power densities and are among the smallest in the 25-30W group on the market.

The ECL25 series consists of 21 single output models across the three formats providing output voltages of 3.3, 5, 9, 12, 15, 24 or 48VDC. The 48VDC unit is rated at 82 percent power efficiency. No additional heat sinking or forced airflow is required, making the supplies ideal for most operating environments. They operate at full power from -20 to +50C and derate linearly to 50 percent output at +70C. For applications where a higher peak output is required for short periods, the ECL25 series is ideal, says XP Power. All models have a peak load capability that can provide 130 percent of rated output power for a maximum of 30sec. Designers need not specify a more expensive, higher wattage power supply just to accommodate short peak load conditions.

The series has a Class II input, meaning that no grounding is required. This, says XP Power, suits portable equipment designs where a reliable ground source is not always available. Input to output isolation is rated at 3,000VAC. External filtering components are not required since the power supplies already meet EN55022, level B for conducted and radiated EMC. All models carry EN, UL, CSA and CE safety approvals.

The ECL25 is priced at $27.30 apiece for OEM quantities, carries a three-year warranty and is available now from stock.

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