Compact MIL-spec dc-dc converter delivers 20A output current
21 July 2010
The specialist developer and manufacturer of electronic power supplies for the defence market, Roband Electronics has added yet another innovative product to its compact military specification dc-dc converter range. The new RO-MIL-2213, which is supplied in 3.3V and 5V output versions, is capable of delivering a 20A output current from a package size measuring just 76.3 x 38.2 x 10.2mm.
The RO-MIL-2213 is a high-efficiency, high power density single-rail unit comprising 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 12-40V (5V output version) and 14.5-40V (3.3Voutput 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-2213 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.
All Roband Electronics dc-dc converters are manufactured at its Charlwood, Horley site in accordance with the company’s approved Quality Management System: BS EN ISO 9001:2000, BS EN 9100 and BS EN 9110.
The RO-MIL-2213’s wide input voltage range and surge capability ensure its suitability for MIL-STD-704 applications.
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