Efficient power supplies offer programmable features
25 October 2010
The new HCP series of single output, compact bulk power ac dc power supplies from XP Power are typically up to 91% efficient. The four output power models include 650W and 1kW versions, which are both less than 1U high, and a 1.5kW and 3kW version. A single wire current share capability allows the configuration of multiple units to achieve a higher power output or to provide redundancy.
All the popular nominal output voltages from + 12 to +48Vdc are available across the range. To accommodate an even wider range of output voltage requirements, an output voltage trim capability allows adjustment of 30 - 105% of nominal output voltage. A similar function provides adjustment of current output between 40 - 105% of maximum current. Both controls can be made by using either an external voltage input or by a variable resistor. A +5Vdc 0.5A standby supply can be used to drive logic or control circuits without the need to design-in an additional voltage source or step down converters.
These fan cooled units are ideal for customers looking for a compact high efficiency power supply that has programmable features and monitoring signals. By varying the cooling fan speed depending on the output load fan noise is kept to a minimum. Monitor and control signals include DC OK, remote sense and remote on/off. A multifunction LED indicator gives a visual indication of the power supply's operational condition.
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