EMH250PS12 Datasheet, PDF (1/9 Pages) XP Power Limited – 250/350 Watts EMH Series

250/350 Watts
EMH Series
xppower.com
• Single & Dual Output Models
• IT & Medical (BF) Approvals
• 80 V 275 VAC Operation
• Optional ORing Diode (EMH350D Models)
• Analog & PMBus Signals Options (EMH350)
• 5 V Standby (EMH350)
• 3 Year Warranty
Specification
Input
Input Voltage
• 80-275 VAC, derate output power
<90 VAC (see derating curve)
Input Frequency
• 47-63 Hz
Input Current
• 2.6 / 3.6 A at 115 VAC typical (250 / 350 W)
1.3 / 1.8 A at 230 VAC typical (250 / 350 W)
Inrush Current
• 40 A max at 230 VAC, cold start 25 °C
Power Factor
• >0.9
Earth Leakage Current • 250 µA max, 264 VAC, 60 Hz
Patient Leakage Current • 100 µA max
Input Protection
• 10 AF / 250 V internal fuse in line
and neutral
Output
Output Voltage
• 12-48 VDC (see tables)
Output Voltage Trim • ±10% V1
Initial Set Accuracy • ±1% V1, ±5% V2
Minimum Load
• No minimum load required
Start Up Delay
• 1 s typical
Start Up Rise Time
• 50 ms
Hold Up Time
• 16 ms typical
Line Regulation
• ±0.5% maximum
Load Regulation
• ±1% V1, ±5% standby
Cross Regulation
• Dual output only (see regulation curves)
Transient Response
• 4% max. deviation, recovery to
within 1% in 500 µs for a 50-75-50%
load change
Ripple & Noise
• 1% pk-pk, 20 MHz bandwidth
Overvoltage Protection • 115-140% V1 nom, recycle input to reset
Overtemperature
Protection
• Auto reset
Overload Protection • 110-150%, power limit
Short Circuit Protection • Continuous, approximately constant
current
Temperature
Coefficient
• 0.05% /°C
Remote Sense
• Compensates for up to 0.5 V drop
General
Efficiency
• 87% typical
Isolation
• 4000 VAC input to output 2 x MOPP,
1500 VAC input to ground 1 x MOPP,
1500 VAC output to ground 1 x MOPP
Switching Frequency • 62-560 /71 /50-130 KHz,
PFC /Main /Standby Converter
Power Density
• 11.6/ 16.3/ 9.5 W/in³ (250 / 350 / 350 W Dual)
Signals (Option EMH350) • Power fail, Inhibit, 5 V Standby,
Current Share, fan speed control and I²C
PMBus Options
MTBF
• 400 kHrs to MIL-HDBK-217F at 25 °C, GB
Environmental
Operating Temperature • 0 °C to +70 °C, derate linearly from +50 °C
at 2.5% / °C to 50% load at +70 °C
Cooling
• Forced cooled 12 CFM (350 W Dual: 16 CFM)
or integral fan. See thermal considerations
longform datasheet
Operating Humidity • 95% RH, non-condensing
Storage Temperature • -40 °C to +85 °C
Operating Altitude
• 3048 m
Shock
• ±3 x 30g shocks in each plane, total 18
shocks. 30g = 11 ms (±0.5 ms), half sine,
conforms to EN60068-2-27 & EN60068-2-47
Vibration
• Single axis 10 - 500 Hz at 2g sweep and
endurance at resonance in all 3 planes.
Conforms to EN60068-2-6
EMC & Safety
Emissions
Harmonic Currents
Voltage Flicker
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Dips & Interruptions
Safety Approvals
• EN55011/22 level B conducted
EN55011/22 level A radiated
(See EMC report)
• EN61000-3-2, class A
• EN61000-3-3
• EN61000-4-3, level 3 Perf Criteria A
• EN61000-4-4, level 3 Perf Criteria A
• EN61000-4-5, installation class 3,
Perf Criteria A
• EN61000-4-6, level 3, Perf Criteria A
• EN61000-4-11, 30% 10 ms,
60% 100 ms, 100% 5000 ms,
Perf Criteria A, B, B,
EN60601-1-2, 30% 500 ms, 60% 100 ms,
100% 10 ms, 100% 5000 ms, Perf Criteria A,
A, A, B - 230 VAC. Consult longform
datasheet for 115 V operation.
• EN60601-1, ANSI/AAMI ES60601-1,
CSA22.2 No.60601-1 per cUL BF Rated,
Including Risk Management, EN60950,
UL60950