Data Sheet
KM Series
1
KM Series
15 to 40W Medical AC-DC
PCB - Mount Power Supplies
Key Market Segments & Applications
Portable Medical Equipment
General Low Power Applications
•
Small Size & Lightweight
• PCB Board Mountable
• Wide Range Input
• Medical Safety Certifications (4kVAC Input - Output)
• Class II (No ground needed)
KM Features and Benefits
Features Benefits
• Small Size • Minimises PCB Space
• Wide Input Range • Global use with no manual intervention
• High efficiency • Lower Heat Dissipated in System
Specifications
Notes:
(1) For medical applications an equivalent external fuse should be installed in the neutral line
(2) Class I Applications: An external filter can be added to meet EN55011 Class B - see application notes
MODELS KMS15 KMD15 KMT15 KMS40 KMD40 KMT40
ITEMS
Input Voltage Range - 90-264VAC 47-440Hz or 100-375VDC
Inrush Current Limiting A 10 / 20A, cold start, 25°C ambient (115 / 230VAC)
Input Current (115 / 230VAC) mA 220 / 118mA 860 / 460mA
Internal Fuse (live line)
(1)
- 250V/T2A 250V/T3.15A
Temperature Coefficient (O/PV) - ±0.01%/°C
Ripple and Noise (pk-pk) mV 50mV or 1%, whichever is greater
Overcurrent Protection - > 105%, hiccup mode, automatic recovery
Overvoltage Protection % Yes, Zener diode clamp
Hold-up Time (typical) ms 20ms 18ms
Touch Current mA < 0.1
Operating Temperature - -25°C to 70°C, derate linearly to 50% load from 50°C to 70°C. Max case temperature 95°C
Storage Temperature - -40°C to 100°C
Humidity %RH 20% to 95% RH (non-condensing)
Cooling - Convection, over temperature protected ~100°C case temperature)
Withstand Voltage VAC Input to output: 4kVAC
Immunity - EN60601-1-2
Safety Agency Certification - IEC/EN62368-1, IEC/EN60950-1, ANSI/AAMI ES60601-1, IEC/EN60601-1, CE Mark
Conducted EMI - EN55011, EN55032 Class B EN55011, EN55032 Class A
(2)
Switching Frequency kHz 132kHz
Weight g 120 280
Size (LxWxH) mm 64 x 46 x 24 89 x 64 x 27
Mounting & Case - PC board mountable. Plastic resin fibreglass case (UL 94V-0)
MTBF hrs 200,000 to 400,000 hours, model dependent
Warranty yrs 2