Custom Power Supplies
Custom Industrial Power Supplies

Dual Input 100 Watt Industrial Power Supply
Either DC or AC Input

Product Description

This dual input power supply is designed for applications in need of operating from either a DC or AC voltage source. This power supply can be built to operate as a convection cooled or conduction cooled unit.

FeaturesDual Input 100 Watt Power Supply

  • Dual Source Input: DC Voltage or AC Voltage
  • DC Input: 24 or 48Vdc (Optional 12V Input*)
  • AC Input 90-264Vac
  • Compact Size: 1.7” x 2.5” x 9.0” (size may vary)
DC Input
  • Input Range for 24/28Vdc nominal: 18V to 36Vdc
  • Input Range for 48Vdc nominal: 36Vdc to 75Vdc

AC Input

  • Voltage Input Range: 90-264VAC (nominal range)
  • Frequency: 47-440Hz
  • Phase: Single Phase, 2 wire plus ground
  • Inrush Current: <40A  (Cold Start at 240Vac)
  • Power Factor Correction: .95 minimum, meets EN61000-3-2
  • Start-Up Time: <500mSec (Output within regulation)
  • Input Surge Voltage: Input transient suppression circuitry to protect power supply from permanent damage.

Output Selection Guide

Model #:


Max Current





11 Amps


50mV pk-pk



11 Amps


50mV pk-pk



11 Amps


120mV pk-pk



8.3 Amps


120mV pk-pk



6.7 Amps


150mV pk-pk



5.3 Amps


150mV pk-pk



4.2 Amps


240mV pk-pk



3.6 Amps


240mV pk-pk



2.8 Amps


240mV pk-pk

DI100-48 48Vdc 2.1 Amps ±1% 240mV pk-pk

Note: Alternate output voltages are available, consult factory for availability.

  • Line Regulation: ±1.0% typical
  • Load Regulation: ±0.50% typical (No load to full load; nominal input)
  • Output Ripple/Noise: 1% typical (P-P; nominal input; full load; 20MHz bandwidth)
  • Set Point Accuracy: ± 2.0% of output voltage (Nominal input; full load; 25°C)
  • Transient Response: 3% 250 uSec recovery to 1% for 25% step load range from 75% to 100%
  • Overshoot: Turn-on and turn-off overshoot should not exceed 5% over nominal voltage.

Electrical Characteristics

  • Efficiency: 91% Minimum (Measuring at 115Vac and full load)
  • Turn On Delay:1 second maximum at 115 Vac
  • Hold-Up Time: None
  • Isolation Voltage:
    • Input to Output: 3000Vrms
    • Input to Baseplate: 2500Vrms
    • Output to Baseplate: 1500Vrms
  • Isolation Resistance: 10Mohms (Output to baseplate), 25ºC ambient 70%RH
  • Temperature Regulation: ±-2.0%/ºC (±.005%/ ºC max; over operating temp range)


  • Over Current Limit: 105-140% of full load (Automatic recovery)
  • Over-Voltage Protection: 125-145% of nominal output voltage (Latching)
  • Short Circuit: Auto-Recovery after short circuit condition is removed.
  • Over temperature Protection: The power supply is protected for over temperature conditions with thermal shutdown. Auto-Recovery when temperature returns to normal.
  • Operating Temperature: -40º to +85º C (Baseplate)
  • Storage Temperature: -40º to 100º C
  • Operating Humidity: 20% to 95% RH, Non-condensing
  • Storage Humidity: 10% to 95% RH, Non-condensing
  • Operating Altitude: Sea-level to 40,000 ft. in pressurized environment
  • Vibration: Operating: 15g-RMS, random, tri-axial vibration for 1 hr
  • Shock: Operating: 5G, half sine, 11msec, 3 axes. Non-Operating: 15G, half sine, 11msec, 3 axes.
  • Conducted EMI: EN 55022 Class B compliant (May require additional components)
  • Safety Certifications: cUL (UL60950-1/CSA60950-1),  TUV (EN60950-1) & CE (LVD)
  • Cooling: Conduction


  • Outline Dimensions: 1.7” x 2.5” x 9.0” (size may vary depending on enclosure requirements)
  • Weight: ~6.5 oz. (185 grams)
  • I/O Connectors: Terminal pins or terminal blocks
Optional Control and Alarms
  • Output Inhibit


  • Product specifications subject to change without notice. All rights reserved.
  • The information and specifications contained in this document are believed to be correct and accurate at the time of publication. DSC Power Solutions, Inc. accepts no responsibility for consequences arising from printing errors or inaccuracies pertaining to any use or application of this document.

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