120W MIL-spec DC-DC converter
18 May 2010
Roband Electronics has launched a military specification DC-DC converter in 12V and 15V output versions.
It provides a power output of 120W from a package measuring 76.3mm x 38.2mm x 10.2mm and is a high-efficiency, high power density single-rail unit comprising of an isolated, high-frequency, pulse width modulated push-pull converter.
While it is specified to operate from a nominal 28V supply, this versatile power supply will accept a wide input voltage range; from 16-40V (12V output version) and 14.5-40V (15Voutput version). Options include an 80V input surge capability and a variant that will operate from an input as low as 9V. External synchronisation is also available as an option.
The RO-MIL-2212 operates over the military temperature range without de-rating. It is unconditionally stable and does not require additional external components for correct operation. A remote sense facility is provided to compensate for any voltage drop at the load due to the length of the power supply leads.
The converter is also equipped with a remote disable function. Both short-circuit and over-voltage protection is provided as standard. The unit is housed in a machined aluminium enclosure, with a mounting flange configuration that has been designed to optimise thermal impedance and provide adequate vibration support. A PCB-mounting version is also available. The wide input voltage range and surge capability ensure its suitability for MIL-STD-704 applications.
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