WINSYSTEMS’ PCM-DC-AT500 is a +5 volt, 20 Amp DC/DC power supply that can mount anywhere in a PC104 stack. It features a wide voltage input range from 10 to 50 volts DC. This allows the unit to operate with 12, 24, or 48 volt battery or distributed DC power systems. It opens up a wide array of applications including Mil/COTS, transportation, security, solar-powered, and telecommunications.


  • Wide input range: 10V to 50 VDC
  • Voltage output: +5V @ 20A
  • -40 to +85°C operation
  • No fan or heat sink required
  • No minimum load required for regulation
  • Outputs with short circuit, overload and overvoltage protection
  • LED provides visual status for +5V
  • Up to 95% efficient
  • High efficiency design
  • Fast transient response
Power Supply Module

PC104 +5V output DC/DC power supply
No fan or heat sink required

Input Voltage

Wide range: 10-50 VDC

Output Voltage

+5V @ 20A
Over current protection (OCP) and over voltage protection (OVP) for all outputs
High efficiency
Fast transient response
Low voltage ripple
No minimum load required for regulation

Bus Expansion



PC104 Compliant
Dimensions: 3.6 x 3.8 inches (90 x 96 mm)
Weight: 2.4 oz (68g)

Operating Temperature Range

-40°C to 85°C