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DC/DC converters are fit for military, avionics use

Posted: 31 Jul 2008 ?? ?Print Version ?Bookmark and Share

Keywords:DC/DC converter? military avionics use? MTC MTC15 MTC30?

XP Power introduces the latest additions to its MTC series of fully encapsulated commercial-off-the-shelf (COTS) 4-35W DC/DC converters, the MTC15 and MTC30. Suitable for military and avionic platforms with a nominal 28VDC input, the new 15W and 30W units are available with either 12VDC or 15VDC outputs. Offering a wide input range from +15.5 to +40VDC, the units can accommodate 10VDC transients for 10sec and up to 50VDC for 1sec as stipulated by MIL-STD 704B-F. Up to 80 percent of the full output power can be drawn from either the positive or negative output as long as the maximum output power is not exceeded. The converters feedback loop constantly monitors both outputs in order to provide a high degree of load regulation.

The converters also meet MIL-STD 1275A/B/C/D and MIL-STD 704A standards for surges and transients when used in conjunction with the MTF50 filter module. When this filter is installed, the converters also meet MIL-STD 461E/F for conducted emissions and susceptibility. The units meet the environmental MIL-STD 810F specification that covers shock, vibration, humidity, temperature, salt spray and altitude. Case operating temperature range is from -40 to + 100C. Units that can accommodate an operating temperature down to -55C are available to order.

Control lines provide the ability to inhibit the output and to synchronize the switching frequency to an external frequency source in the range of 400-500kHz.

Designed specifically for military and avionics applications, the MTC series uses COTS components to offer significant cost savings and reduce time-to-market compared to using traditionally developed military power supplies, says XP Power.

The MTC15 dual output 15W unit is priced at $203 in OEM quantities.





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