MINT1275 275W Single Output Medical Series Features 3” x 5” x 1.4” Package Ideal for 1U Applications Class I and Class II versions Up to 275W of AC-DC Power Universal Input 90-264 VAC Approved to CSA/EN/IEC/UL60601-1, 3rd Edition, 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 Description A Superior performance 275 Watts AC to DC power supply designed for Medical applications. Feature rich and highly Efficient, the MINT1275 product family with active current share for redundant applications can easily fit in 1U chassis, and provides 180 Watts convection cooled or 275 Watts with moving air. Input & output monitoring alarms plus 12V/1A fan output and 5V standby voltage are among other standard features available in the MINT1275 family. All 5 models are CE marked to the low voltage directive and approved to IEC60601-1 3rd edition. Model Selection Model Number Volts Fan Output Ripple & Noise** Total Regulation OVP Threshold 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: Output Current* w/200LFM air Convection * Total convection power is 180 Watts. ** Measured with noise probe directly across output terminals, and load terminated with 0.1µF ceramic and 10µF low ESR capacitors. *** No Output adjustment on 56V model. General Specifications AC Input Input Current www.slpower.com 100-240Vac, ±10%, 47-63Hz, 1∅ 120–370Vdc Turn On Time Less than 2 sec. @115Vac (inversely proportional to input voltage and thermistor temperature) 115Vac: 3A, 230Vac: 1.5A, 3.7A max at 90Vac Hold-up Time >16mS at 250W, 120Vac MINT1275 REV 1.6, 22-Jan-14 1 MINT1275 275W Single Output Medical Series General Specifications (continued) Inrush Current Input Fuses Earth Leakage Current Efficiency Output Power Transient Response Signals 264Vac, cold start: will not exceed 50A F1, F2: 5A, 275VAC fuses provided on all models <275µA@264Vac, 60Hz, NC; <400µA SFC Overload Protection Short Circuit Protection Overvoltage Protection 92% typical 275W continuous, with 200 lfm airflow, 180W convection cooled – See chart for specific voltage model ratings. Switching Frequency 500µS typ. for return to within 0.5% of nominal, 50% load step. ∆i/∆t <0.2A/µS. Max Volt Deviation = 3% Isolation 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 Ripple and Noise See chart Operating Temperature -10°C to +70°C Start Up at -40°C, full load Output Voltage See chart Temperature Derating Derate output power linearly above 50°C to 50% at 70°C +/-5% from nominal Storage Temperature -40°C to +85°C Voltage Adjustability Minimum Load Total Regulation Vibration Dimensions Weight Altitude Not required Relative Humidity +/- 3%. See chart Operating: 0.003g²/Hz, 1.5grms overall, 3 axes, 10 min/axis Non-Operating: 0.026g²/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 components) Shock Safety Standards MTBF 325g 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, 3rd Edition 465,000 hours, 275W load, 25°C Ambient, 110Vac input Auxiliary Signals Standby Output AC Power Fail: DC OK: 5V @ 200 mA Goes LOW with 5mS warning before loss of DC output after loss of AC power. Inhibit: Connect to inhibit pin (J201 pin 5) to output common to inhibit the DC output. Remote Sense: Compensates for up to 250mV drop in load lines. www.slpower.com Fan Output: Current Share: MINT1275 REV 1.6, 22-Jan-14 Open collector logic signal goes and stays HIGH 100mS to 500mS after main output reaches regulation. 12V @ 1A Forced Current Sharing provided for up to 5 units connected in parallel. 2 MINT1275 275W Single Output Medical Series EMI/EMC Compliance Conducted Emissions EN55011/22 Class B, FCC Part 15, Subpart B, Class B Radiated Emissions EN55011/22 Class A; FCC Part 15, Subpart A, Class A w/6db margin Static Discharge Immunity EN61000-4-2, 6kV Contact Discharge, 8kV air discharge Radiated RF Immunity EN61000-4-3, 3V/m. EFT/Burst Immunity EN61000-4-4, 2kV/5kHz Line Surge Immunity EN61000-4-5, 1kV differential, 2kV common-mode Conducted RF Immunity EN61000-4-6, 3Vrms Power Frequency Magnetic Field Immunity EN61000-4-8, 3A/m Voltage Dip Immunity EN61000-4-11, 0% Vin, 0.5cycle; 40% Vin, 5 cycles; 70% Vin, 25 cycles Line Harmonic Emissions EN61000-3-2, Class A, B, C, & D Flicker Test EN61000-3-3, Complies (dmax<6%) Mechanical Drawing Notes: 1. All dimensions in inches (mm), tolerance is +/-0.02”. 2. Mounting holes should be grounded for EMI purposes. 3. FG is safety ground connection. 4. The power supply requires mounting on metal standoffs 0.20” (5mm) in height, min. Connector Information Input Connector PIN 1) AC LINE PIN 2) EMPTY PIN 3) AC NEUTRAL Mating Connector: Molex 09-50-3031 Pins= 08-52-0072 www.slpower.com Ground DC Output Connector Fan Output Connector Signal Connector 0.250” FASTON TAB Term. 1: +Vout Term. 2: -Vout PIN 1) +12Vfan RTN PIN 2) +12V fan PIN 1) Remote Sense (+) PIN 2) Common PIN 3) Remote Sense (-) PIN 4) Current Share PIN 5) Inhibit Mating Connector: Molex 01-90020001 Mating Connector: Molex 191410058/0063/0083 Mating Connector: Molex 22-01-3027 Pins: 08-50-0114 Mating Connector: Molex 90142-0010 Pins: 90119-2109 or 2120 MINT1275 REV 1.6, 22-Jan-14 Pin 6) Common Pin 7) Power Good Pin 8) +5Vsb Pin 9) DC OK Pin 10) +5Vsb RTN 3 MINT1275 275W Single Output Medical Series Fan Output – J301 J301 provides a 12V@1A output to support a system cooling fan. AC Power Failure/DC OK, Current Shaare and Inhibit Signals – J201 2. Inhibit Remote inhibit control of the DC output. J201 pin 5 open J201 pin 5 LOW or GND 3. = ON = OFF Current Sharing/Remote Sense Vo+ The outputs of N+1 (N=1,2…5) models can be shared. It is shown in Figure 3, one load-share controller is required for each model and circuits are identical when N+ 1 identical models are used. Vo- J302 J303 Power Supply 1 Terminals J302 and J303 are connected to the Vo+ and Vo-, respectively, of the first power model. The Vo+ and Vo- correspond to the other models positive and negative output pins. The Vo+ connects to positive output bus to the load and Voconnects the negative output bus to the load. J201 pin 1 J201 pin 3 S+ S- J201 pin 4 J302 The J201 pin1 and pin3 connects to the S+ and S-, respectively, of the first power models. The S+ and S- correspond to the other models J201 pin1 and pin3. The S+ connects to positive output bus and S- connects to negative output bus. Load - J303 Power Supply 2 Remote Sense < 250mV drop compensation: The J201 Pin4 connects to current sharing bus that it connects to other models J201 pin4. J201 pin 1 J201 pin 3 S+ Load + S- J201 pin 4 J302 J303 Power Supply 3 J201 pin 1 J201 pin 3 S+ S- Figure 3: Current Share Method J201 pin 4 Current Sharing Bus www.slpower.com MINT1275 REV 1.6, 22-Jan-14 4 MINT1275 275W Single Output Medical Series Timing Sequence Isolation Specifications Parameter Conditions/Description Insulation Safety Rating Input/Ground Input/Output Output/Ground Electric Strength Test Voltage Input/Ground Input/Output Output/Ground Min Nom Max Units Basic (1 MOPP) Reinforced (2 MOPP) Operational 1800 4000 1500 - - Vac Vac Vac Min Nom Max Units 90 115/230 264 Vac Input Specifications All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted. Parameter Conditions/Description Input Voltage Turn-On Input Voltage Ramping up Turn-Off Input Voltage Ramping down Input Frequency 80 Vac 75 Vac 47 50/60 63 Hz A Inrush Current Limitation 264Vac, cold start - - 50 Power Factor Vi nom, Io nom 0.9 - - Efficiency Vi nom, Io nom MINT1275A1214K01 MINT1275A1514K01 MINT1275A2414K01 MINT1275A4814K01 MINT1275A5614K01 - 92% - www.slpower.com MINT1275 REV 1.6, 22-Jan-14 % 5 MINT1275 275W Single Output Medical Series Output Specifications Parameter Conditions/Description Output Voltage Setpoint Accuracy MINT1275A1214K01 Vi nom,, Io1 @ ADC, TC = 25 °C Output Voltage Setpoint Accuracy MINT1275A1514K01 Min Nom Max Units -3 - 3 % Vo nom Vi nom,, Io1 @ ADC, TC = 25 °C -3 - 3 % Vo nom Output Voltage Setpoint Accuracy MINT1275A2414K01 Vi nom,, Io1 @ ADC, TC = 25 °C -3 - 3 % Vo nom Output Voltage Setpoint Accuracy MINT1275A4814K01 Vi nom,, Io1 @ ADC, TC = 25 °C -3 - 3 % Vo nom Output Voltage Setpoint Accuracy MINT1275A5614K01 Vi nom,, Io1 @ ADC, TC = 25 °C -3 - 3 % Vo nom Output Current V1 Output Current V2 MINT1275A1214K01 0 0 15.0 - 21.8 1.0 ADC ADC Output Current V1 Output Current V2 MINT1275A1514K01 0 0 12.0 - 17.47 1.0 ADC ADC Output Current V1 Output Current V2 MINT1275A2414K01 0 0 7.5 - 10.9 1.0 ADC ADC Output Current V1 Output Current V2 MINT1275A4814K01 0 0 3.75 - 5.46 1.0 ADC ADC Output Current V1 Output Current V2 MINT1275A5614K01 0 0 3.21 - 4.68 1.0 ADC ADC Static Line Regulation V1 Vi min-Vi max, Vi nom, 0-100% Io nom -1 - 1 % Vo nom Static Load Regulation V1 (Droop Characteristic) Vi min-Vi max, Vi nom, 0-100% Io nom -3 - 3 % Vo nom Hold-Up Time Starting at Vi = 230 VAC, Po nom - 16 - ms Dynamic Load Regulation Load change =50%, di/dt =0.2A/µS voltage deviation 3% 0 Start-Up Time Vi nom, Io nom 0 - 2 s Start-Up Time Vi nom, Io nom 0 - 2 s Max Units KV (CM) 3 % Vo nom Protection All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted. Parameter Conditions/Description Input Fuse Not user accessible Input Transient Protection 2KV(CM) and 1KV(DM) surge 2 No-load and short circuit proof Hiccup short circuit proof Hiccup Output Min Nom overload (latch style) Hiccup Overvoltage Protection Latch style Latch Over temperature Protection Automatic power shutdown at TC =135°C www.slpower.com MINT1275 REV 1.6, 22-Jan-14 6 MINT1275 275W Single Output Medical Series Characteristic Curves Output vs. Temperature 180W convection cooled and 275W continuous with 200 LFM airflow. Derate output power to 50% at 70°C. Efficiency vs. Loading The high efficiency is achieved by using LLC technology, PFC topology minimizing switching losses. Synchronous SCHOTTKY or ultra-fast diode is used as rectifier in MINT1275 family because of high output voltage level. www.slpower.com MINT1275 REV 1.6, 22-Jan-14 7 MINT1275 275W Single Output Medical Series Ripple & Noise To verify that the output ripple and noise does not exceed the level specified in the product specification. Measured using a scope probe socket with 0.1µF ceramic and a 10µF electrolytic capacitor connected in parallel across it, BW limit with 20MHz. 12V OUT, NO LOAD, 115VAC, 60HZ 12V OUT, FULL LOAD, 115VAC, 60HZ 12V OUT, NO LOAD, 230VAC, 60HZ 12V OUT, FULL LOAD, 230VAC, 60HZ Output Transient Response 50% load step within the regulation limits of minimum and maximum load, dI/dt< 0.2A/µSec. Recovery time not specified as there is no laps in regulation with a 50% Load Step. Maximum voltage deviation is 3%. 12V OUT, 115VAC, 25% TO 75% LOAD STEP www.slpower.com 12V OUT, 230VAC, 25% TO 75% LOAD STEP MINT1275 REV 1.6, 22-Jan-14 8 MINT1275 275W Single Output Medical Series Output Overload Characteristic Supply shall protect itself against overload conditions. The Power Supply shall recover from Overload Conditions without operator intervention. 12V OUT, 90VAC 12V OUT, 264VAC Turn-On Time 12V OUT, NO LOAD, 90VAC 12V OUT, FULL LOAD, 90VAC 12V OUT, NO LOAD, 264VAC 12V OUT, FULL LOAD, 264VAC Data Sheet © 2013 SL Power Electronics Corp. The information and specifications contained herein are believed to be correct at the time of publication. However, SL Power accepts no responsibility for consequences arising from reproduction errors or inaccuracies. Specifications are subject to change without notice. www.slpower.com MINT1275 REV 1.6, 22-Jan-14 9