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AC-DC Power Supplies

AC-DC Power Supplies

Excelitas is a leading designer and manufacturer of AC-DC power supplies for high reliability and harsh environment applications such as:

  • Avionics and aircraft systems
  • Military communication systems
  • Radar and RF systems
  • Military shipboard electronics
  • Military vehicle electronics

Our AC-DC power supply solutions include high power rectifiers, off-line switchers and custom-tailored AC-DC power systems. All of our systems can be fully ruggedized for harsh environments.

High Power Rectifiers: Very efficient and light weight power supplies providing bulk DC power from three-phase AC inputs for applications where regulation and isolation are not required. Our systems can also be combined with a converter to provide regulated power.

Key features of our high power rectifiers include:

  • Unregulated 10 kW to 100 kW power
  • 115V, 200V, 440V 3-phase input
  • Output voltage up to 600V
  • Microprocessor controlled
  • Soft start for capacitor charging
  • Overload and ground fault protection
  • Telemetry
  • Liquid cooled

Off-line Switchers: Excelitas offers a full range of switch-mode power supplies ranging from 100 W to 5 kW. Systems can be configured with or without power factor correction.

Key features of our off-line switchers include:

  • Single or three phase inputs
  • 50/60Hz and 400/800Hz systems
  • Single or multiple regulated outputs from 1.6VDC to 270VDC
  • Flyback, forward converter, half-bridge or full-bridge topologies depending on output power

Custom AC-DC Power Supplies: Excelitas welcomes the opportunity to review your custom specification and propose an innovative and cost-effective solution from our portfolio of proven modules and circuits.

Key features of our custom AC-DC power supplies include:

  • High density packaging
  • Multiple outputs
  • High reliability designs
  • Ruggedized for harsh environments
  • Unique form factors
  • Industry standard cooling methods
  • Digital controls