MINT1275
275W Single Output
Medical Series
General Specifications (continued)
Inrush Current
Input Fuses
Earth Leakage
Current
Efficiency
Output Power
Transient
Response
Ripple and Noise
Output Voltage
Voltage
Adjustability
Minimum Load
Total Regulation
Vibration
Dimensions
264Vac, cold start: will not exceed 50A
F1, F2: 5A, 275VAC fuses provided on all
models
<275 μ A@264Vac, 60Hz, NC; <400μA SFC
92% typical
275W continuous, with 200 lfm airflow, 180W
convection cooled – See chart for specific
voltage model ratings.
500 μ S typ. for return to within 0.5% of
nominal, 50% load step. ? i/ ? t <0.2A/μS.
Max Volt Deviation = 3%
See chart
See chart
+/-5% from nominal
Not required
+/- 3%. See chart
Operating: 0.003g 2 /Hz, 1.5grms overall, 3
axes, 10 min/axis
Non-Operating: 0.026g 2 /Hz, 5.0grms overall,
3 axes, 1 hr/axis
W: 3.0” x L: 5.0” x H: 1.4”(max. measured
from bottom of the board to top of
Signals
Overload
Protection
Short Circuit
Protection
Overvoltage
Protection
Switching
Frequency
Isolation
Operating
Temperature
Temperature
Derating
Storage
Temperature
Altitude
Relative Humidity
Shock
Safety Standards
AC Power Fail, DC OK, Inhibit, Current Share
120%-150% of rating, Hiccup Mode
Provided - no damage will occur if the output is
shorted. Hiccup Mode.
OVP latch at 110%-130% of rated output
voltage.
PFC: Variable, 30kHz - 400kHz
Main Converter: Variable 30-250kHz, 65-70kHz
at full load.
Input-Output: 4000Vac, 2 x MOPP
Input-Ground: 1800Vac, 1 x MOPP
Output-Ground: 1500Vac
-10°C to +70°C
Start Up at -40°C, full load
Derate output power linearly above 50°C to 50%
at 70°C
-40°C to +85°C
Operating: -500 to 10,000 ft.
Non-operating: -500 to 40,000 ft.
5% to 95%, non-condensing
Operating: Half-sine, 20gpk, 10ms, 3 axes, 6
shocks total
Non-Operating: Half-sine, 40 gpk, 10 ms, 3
axes, 6 shocks total
EN/CSA/UL/IEC 60601-1, 3 rd Edition
components)
Weight
325g
MTBF
465,000 hours, 275W load, 25 ° C Ambient,
110Vac input
Auxiliary Signals
Open collector logic signal goes and stays HIGH
Standby Output
5V @ 200 mA
DC OK:
100mS to 500mS after main output reaches
regulation.
AC Power Fail:
Inhibit:
Remote Sense:
Goes LOW with 5mS warning before loss of
DC output after loss of AC power.
Connect to inhibit pin (J201 pin 5) to output
common to inhibit the DC output.
Compensates for up to 250mV drop in load
lines.
Fan Output:
Current Share:
12V @ 1A
Forced Current Sharing provided for up to 5
units connected in parallel.
www.slpower.com
MINT1275 REV 1.6, 22-Jan-14
2
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