ICCNexergy Supplier Page

MWA 100 Series


The MWA100 series is an external switch mode power supply that meets current industry challenges to provide compact, lightweight power to increasingly powerful medical devices while offering reliable performance and meeting medical safety approvals. OEMs are reducing product size by designing in external power supplies and the MWA100 is a qualified solution. The MWA100 is a high efficiency power supply offering converter efficiencies averaging 90.6% at 230VAC and a demonstrated mean time between failure exceeding 200,000 hours.
RoHS Complaint
ICCNexergy MWA 100 Series


  • High Efficiency
  • High Power Density 4.8W/in³
  • Lifetime Expectation > 5 years
  • Hold-up Time > 24ms at full load
  • Medical Approval - EN60601-1 Class I
  • EISA Compliant
  • CEC Compliant

Input
Input Voltage 85 - 264VAC
100 - 240VAC Nominal
Input Frequency 47 - 63Hz
Input Current <2.3A rms
Inrush Current <37A at 230VAC cold start
Zero Load
Power Consumption
<0.5W
Earth Leakage Current <150µA @ 132VAC @ 60Hz
<250µA @ 264VAC @ 60Hz
Patient Leakage Current <50µA @ 132VAC @ 60Hz
<75µA @ 264VAC @ 60Hz
Output
Output Voltage See table
Total Regulation +/-5%
Minimum Load No minimum load required
Start-Up Delay <1s
Hold-Up Time >24ms at any input voltage
Ripple & Noise <1% pk-pk**
Over Voltage Protection 110-135%
Over Temperature Protection Active - Recoverable; plus
Passive - Non Recoverable
Over Current Protection 120 - 180%
Short Circuit Protection Shutdown, auto-start
(hiccup mode)
**Ripple and noise measured with 20MHz bandwidth; 10µF tantalum capacitor in parallel with a 0.1µF ceramic capacitor.
Digi-Key Part Number Manufacturer P/N Output Voltage Output Current Peak Current¹ Total Regulation²
EPS424-ND MWA100012A-12A 12.0V 8.3A 10.0A ±5%
EPS425-ND MWA100015A-12A 15.0V 6.7A 8.0A ±5%
EPS426-ND MWA100018A-12A 18.0V 5.6A 6.7A ±5%
EPS427-ND MWA100024A-12A 24.0V 4.2A 5.0A ±5%
Notes:
1) Maximum peak load (120W) lasting 500ms with a maximum 10% duty cycle.
2) Includes initial setting, line regulation, load regulation, and thermal drift.