275W Single Output
MINT1275 Family
Medical Grade
FEATURES AND BENEFITS
Medical 3 x 5 x 1.4 Package Ideal for 1U Applications
Class I and Class II Versions Up to 275W of AC-DC Power
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Approved to CSA/EN/IEC/UL60601-1, 3 Edition,
Universal Input 90VAC264 VAC
2 x MOPP Isolation
Forced Current Share 5V Standby and 12V Fan Outputs
Inhibit, Power Fail, Output OK Signals Efficiency 92% Typical
3 Year Warranty RoHS Compliant
MODEL SELECTION
Output Current*
Fan Ripple & Total OVP
Model Number Volts
Output Noise Regulation Threshold
w/200LFM air Convection
MINT1275A1214K01 12V 21.8A 15.0A 12Vdc/1.0A 120mV pk-pk 3% 14.0 1.1V
MINT1275A1514K01 15V 18.3A 12.0A 12Vdc/1.0A 150mV pk-pk 3% 19.5 1.5V
MINT1275A2414K01 24V 10.9A 7.50A 12Vdc/1.0A 240mV pk-pk 3% 28.0 2.5V
MINT1275A4814K01 48V 5.46A 3.75A 12Vdc/1.0A 480mV pk-pk 3% 55.0 4.0V
MINT1275A5614K01 56V*** 4.68A 3.21A 12Vdc/1.0A 560mV pk-pk 3% 59.0 1.0V
Notes:
1. * Total convection power is 180 Watts.
2. ** Measured with noise probe directly across output terminals, and load terminated with 0.1F ceramic and 10F low ESR capacitors.
3. *** No Output adjustment on 56V model.
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MINT1275 Datasheet v0919 Copyright 2019 SL Power Electronics Corp. All rights reserved.275W Single Output
MINT1275 Family
Medical Grade
INPUT OUTPUT
100VAC240VAC, 10%, 47Hz63Hz, 1,
See chart
Output Voltage
AC Input
120Vdc370Vdc
275W continuous, with 200 lfm airflow, 180W
Input Current
115VAC: 3A, 230VAC: 1.5A, 3.7A max at 90VAC
convection cooled See chart for specific voltage
Output Power
model ratings
264VAC, cold start: will not exceed 50A
Inrush Current
Less than 2 sec. @115VAC (inversely proportional
Turn On Time
F1, F2: 5A, 275VAC fuses provided on all models
Input Fuses
to input voltage and thermistor temperature)
<275A@264VAC, 60Hz, NC; <400A SFC
>16mS at 250W, 120VAC
Earth Leakage Current
Hold-up Time
92% typical
See chart
Efficiency Ripple and Noise
3%. See chart
Total Regulation
PFC: Variable, 30kHz400kHz Main Converter:
Switching Frequency
Variable 30kHz250kHz, 65Hz70kHz at full load
RELIABILITY
Not required
Minimum Load
465,000 hours, 275W load, 25C Ambient,
MTBF
500S typ. for return to within 0.5% of nominal, 50%
110VAC input
Transient Response
load step. D/t <0.2A/S. Max Volt Deviation = 3%
Voltage Adjustability
5% from nominal
SAFETY
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AUXILIARY SIGNALS
EN/CSA/UL/IEC 60601-1, 3 Edition
Safety Standards
5V @ 200mA
Standby Output
Open collector logic signal goes and stays
PROTECTION HIGH 100mS to 500mS after main output
DC OK
reaches regulation
OVP latch at 110%130% of rated output
Goes LOW with 5mS warning before loss of DC
Overvoltage Protection
AC Power Fail
voltage
output after loss of AC power
Provided - no damage will occur if the output
12V @ 1A
Fan Output
Short Circuit Protection
is shorted. Hiccup Mode
Connect to inhibit pin (J201 pin 5) to output
Inhibit
120%150% of rating, Hiccup Mode
Overload Protection
common to inhibit the DC output
Forced Current Sharing provided for up to
Current Share
5 units connected in parallel
Compensates for up to 250mV drop in load
ISOLATION
Remote Sense
lines
Input-Output: 4000VAC, 2 x MOPP
Input-Ground: 1800VAC, 1 x MOPP
Isolation
Output-Ground: 1500VAC
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MINT1275 Datasheet v0919 Copyright 2019 SL Power Electronics Corp. All rights reserved.