This site uses cookies and by using the site you are consenting to this. You can adjust your preferences in your browser.
Close this message to accept cookies and continue using the site:


Home  >  Products  >  COTS DC-DC Converters  >  RO-MIL-2210

RO-MIL-2210 270Vin DC-DC

270V Input
28V 70W Output

The RO-MIL-2210 is a 270V input DC-DC converter designed specifically for defence and aviation applications. It produces an isolated 28V at 70W from a wide input voltage range of 160 to 400V.

  • Variant
  • Input
  • Regulated Output
  • RO-MIL-2210
  • 270VDC
  • 28VDC 70W
  • Dimensions
  • 76.3x38.2x10.2mm
  • Weight
  • 60g Max
  • Operating Temperature
  • -55°C to +85°C


The RO-MIL-2210 is a 70W dc-dc converter that operates over a military temperature range without derating and an efficiency of up to 86%. It has a wide input voltage range of 160 to 400V and the output is isolated from the input. Its compact size is achieved by applying innovative packaging techniques.


Energy for the output is provided from a high frequency PWM half bridge converter. Overload and overvoltage protection is included. The unit has a remote enable facility.


  • Parameter
  • Value
  • Input
  • Nominal Voltage
  • 270VDC
  • Voltage Range
  • 160-400VDC
  • Output
  • Voltage
  • 28VDC
  • Current
  • 2.5A
  • Typical Efficiency
  • 86%
  • Environmental
  • Vibration
  • 10g
  • Altitude
  • 40,000ft
  • MTBF
  • >80,000Hrs AIF

Optional features:

  • extended input range
  • alternative input setting
  • custom set output voltage and/or current limit
  • alternative unit finish e.g. black anodised 

Please contact us to discuss your requirment.

As with all Roband products, the RO-MIL series is fully manufactured onsite in the UK.