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Low cost range power supplies hit market

Posted: 13 Aug 2008 ?? ?Print Version ?Bookmark and Share

Keywords:power supply? 10W 5W series? PCB panel formats?

Complementing the existing RAC-SA series, the new cost efficient, smaller size 5W and 10W RAC-SB series from Recom Electronic GmbH is available in either encapsulated PCB mount or panel mount (screw terminal) formats. Both converters share the same pin out, leaving an easy upgrade path from 5W to 10W.

With a footprint of only approximately 2-inch x 1-inch, the units are ideal for low power, low cost applications where board space is extremely limited. With this latest new range of products, Recom claims it offers the highest power density, lowest cost and most compact high quality 5W and 10W modules on the market.

The modules have universal 90VAC-264VAC inputs and can also be used with 120VDC-370VDC supplies. Output voltages range from 3.3VDC to 24VDC in five output options. The converters are short circuit, overload and over-voltage protected. They offer tightly regulated output voltages (even under no-load conditions) and generate smooth, low ripple and low noise outputs. All models have a peak load capability that can provide 150% of rated output power for a maximum of 30sec.

The high power efficiencies of up to 76 percent mean that no additional heat sinking or forced airflow is required, says Recom. They operate at full power up to +50C and can be used at up to +70C if derated. Standard versions can be used down to -25C and an -E version is available with an extended low temperature range down to -40C.

The series has a Class II input, meaning that no earth connection is required. This says Recom suits portable equipment designs where a reliable ground is not always available. Input to output isolation is rated at 3kVAC minimum. External filtering components are not required since the power supplies already meet EN55022, level B for conducted and radiated EMC with their inbuilt filters. The converters are UL listed.

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