MR2011S Series Ultra-Wide Input, 20W Compact, Railway DC/DC Converters Electrical Specifications Key Features: • 20W Output Power • 40 -160 VDC Input Range • 1,500 VDC Isolation • Efficiency to 89% • Compact 1 x 2 Inch Case • -40°C to +85°C Operation • Industry Standard Pin-Out • Chassis Mount Option • DIN Rail Mount Option Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. Input Parameter Input Voltage Range Input Start Voltage Under Voltage Shutdown Input Filter Conditions Min. 40.0 Typ. 110.0 Max. 160.0 39.8 Units VDC VDC VDC Typ. ±1.0 ±10 VIN = Min to Max ±0.2 ±0.5 IOUT = 10% to 100% See Note 1 75 500 25% Load Step Change ±3.0 110 130 ±0.02 Continuous (Autorecovery) Max. ±3.0 Units % % % % mV P - P µSec % % %/°C Conditions Max. Units VDC M pF kHz Max. +85 +105 +125 Units 95 % IOUT = 100% 36.0 (Pi) Filter Output Parameter Output Voltage Accuracy Output Trim Range Line Regulation Load Regulation Ripple & Noise (20 MHz) Transient Recovery Time, See Note 2 Transient Response Deviation Output Power Protection Temperature Coefficient Output Short Circuit, See Note 3 Conditions Min. ±0.5 ±1.0 100 800 ±5.0 170 General Parameter Isolation Voltage Isolation Resistance Isolation Capacitance Switching Frequency 60 Seconds 500 VDC 100 kHz/0.1V Min. 1,500 1,000 Typ. 2,000 300 Environmental Parameter Conditions Ambient Case Operating Temperature Range Storage Temperature Range Cooling Humidity Physical Case Size Case Material Weight Min. -40 Typ. +25 -55 Free Air Convection RH, Non-condensing °C °C See Mechanical Diagram (Page 4) Aluminum Alloy With Non-Conductive Base (UL94-V0) 0.99 Oz (28g) Remote On/Off MicroPower Direct 292 Page Street Suite D Stoughton, MA 02072 USA T: (781) 344-8226 F: (781) 344-8481 E: [email protected] W: www.micropowerdirect.com Parameter Unit On Unit Off Off Idle Current Conditions See Note 4 See Note 4 Min. 2.5 0 Typ. Max. 12.0 1.2 Units VDC VDC mA Max. Units MHours 1.0 Reliability Specifications Parameter MTBF Vibration, 5 - 150 Hz Conditions MIL HDBK 217F, 25°C, Gnd Benign Displacement Range Acceleration Min. 1.0 Conditions 24 VDC Input 1.5 mm From Case for 10 Sec Min. -0.7 Typ. 7.5 mm 2G Absolute Maximum Ratings Parameter Input Voltage Surge (1 Sec) Lead Temperature Typ. Max. 200.0 300 Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings. www.micropowerdirect.com Units VDC °C www.micropowerdirect.com Model Selection Guide Input Model Number MR2011S-05RU MR2011S-12RU MR2011S-15RU MR2011S-24RU Voltage (VDC) Nominal 110 110 110 110 Range 40 - 160 40 - 160 40 - 160 40 - 160 Output Current (mA) Voltage Current Current Full-Load No-Load 204 15 206 8 206 8 206 8 (VDC) (mA, Max) (mA, Min) Notes: 1. When measuring output ripple, it is recommended that an external ceramic capacitor (approx 10 µF) be placed from the +VOUT to the -VOUT pins. 2. Transient recovery is measured to within a 1% error band for a load step change of 25%. 3. Short circuit protection is provided by a “hiccup mode” circuit. 4. The maximum control current at the on/off pin (pin 6) during a logic high is 50 µA. The maximum control current to the on/off pin at logic low (-0.7V to 0.8V) is 1 mA. If the on/off pin is left open, the unit operates. If it is grounded, the unit will shut off. 5. These units should not be operated with a load under 5% of full load. Operation at no-load will not damage the unit, but they may not meet all specifications. 6. These units should not be operated over +85°C. Exceeding +85°C may damage the unit. 7. It is recommended that a fuse be used on the input of a power supply for protection. See the Model Selection table above for the correct rating. Efficiency vs Input Voltage (Full Load) 5.0 12.0 15.0 24.0 4,000 1,667 1,333 833 Efficiency (%, Typ) Over Fuse Voltage Capacitive Rating Load Protection (µF, Max) Slow-Blow (VDC Typ) 200 83 67 42 89 88 88 88 6.2 15.0 18.0 28.8 (mA) 4,020 1,600 1,000 470 400 400 400 400 Derating Curve Efficiency vs Output Power (VIN = 110 VDC) External Trim External Trim Notes: An external resistor can be used to adjust the converter output up/down by about 10%. The connection is shown in the diagram at left. The required resistor value is calculated by the formulas: Trim UP = RTRIM = A $-R2 - R3 R2 A Trim Down = RTRIM = A $-R1 - R3 R1 A Where A = VREF $ R1 VTRIM - VREF Where A = VTRIM VREF $ R2 VREF Where RTRIM = The value of the external trim resistor VTRIM = The amount of voltage adjustment required The value of R1, R2, R3 and VREF are given in the table below. Parameter R1 (k) R2 (k) R3 (k) VREF (V) 292 Page Street Ste D Stoughton, MA 02072 5.0 2.883 2.864 10.00 2.50 Output Voltage (VDC) 12 15 24 10.971 14.497 24.872 2.864 2.864 2.864 17.80 17.80 20.00 2.50 2.50 2.50 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: [email protected] If not used www.micropowerdirect.com EMC Specifications Parameter Transient Input Voltage See Note 1 Standard RIA 12 Maximum Input Voltage See Note 1 EN 50155 Radiated Emissions Conducted Emissions ESD RS EFT Surge CS Voltage Dips EN 55022 EN 55022 EN 61000-4-2 EN 61000-4-3 See Note 3 EN 61000-4-4 See Note 4 EN 61000-4-5 EN 61000-4-6 EN 61000-4-29 Criteria A B B See Note 2 See Note 2 B A B B A B Specification 385V/20 mS 1,800V (5/50 µS, 50 or 100 8,400V (0.05/0.1 µS, 100 Class B Class B ±4 kV Contact 10V/m ±4 kV ±2 kV/±4 kV 3 Vrms 0% - 70% Notes: 1. With a pulse interval that is >60S. Requires the addition of the filter module MDCFM-40U (or a similar discrete circuit) as shown in the circuit/board layout diagrams below. Contact the factory for more information. 2. All units will meet class B with the addition of the filter module MDCFM-40U (or a similar discrete circuit) as shown in the circuit/board layout diagrams below. Contact the factory for more information. 3. To meet the requirements of EN 61000-4-4 (±4 kV), external components are needed. This can be done discretely, or with the addition of the MDCFM-40U. Contact the factory for more information. 4. To meet the requirements of EN 61000-4-5 (±2 kV/ ±4 kV ), external components are needed. This can be done discretely, or with the addition of the MDCFM-40U. Contact the factory for more information. Typical Connection The diagram above illustrates a typical connection of the MR2011S series. The MDCFM-40U filter module is used to make the circuit compliant with input surge and EMC standards EN 55022, EN 61000 and EN 50155. This can also be accomplished by using external filter components as shown in the board layout drawing below. Some notes on these components are: 1. It is recommended that an external fuse be used. The recommended fuse is shown in the model chart on page 2. 2. An external MOV is recommended on the input to protect the unit in the event of a surge. A recommended value is given in the table at right. 3. An external TVS is recommended on the input to protect the unit in the event of a voltage spike. A recommended value is given in the table at right. 4. The output filtering capacitor (C3) is a high frequency, low resistance electrolytic capacitor. Care must be taken in choosing this capacitor not to exceed the capacitive load specification for the unit. Voltage derating of capacitors should be 80% or above. 5. Suggested component values are: mended. A typical board layout with this module is shown in the figure below. For pricing or full technical information on these modules please contact the factory. 7. In many applications, simply adding input/out- Vin Input Vout Output put capacitors will en(VDC) Capacitor (VDC) Capacitor hance the input surge 5.0 470 µF protection & and reduce 12 220 µF output ripple sufficiently. 110 100 µF 15 220 µF In this case, capacitors 24 100 µF C1 and C3 would be connected as shown, without the other filter components. Recom6. Input noise and surge suppression modules are available for a mended capacitor values are given in the table above. number of MPD DC/DC power supplies. For use with the MRxxS product series, the MDCFM-40U DC filter module is recomComponent MOV L1 TVS C1 C3 L2 CY1, CY2 Value S14K35 56 µH SMCJ170 100 µF/200V 1.0 µF/50V 4.7 µH 1,000 pF/2 kV Typical Board Layout: With External Filter/Surge Components Typical Board Layout: With External Filter Module MicroPower Direct • 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: [email protected] www.micropowerdirect.com Mechanical Dimensions Pin Connections Pin 1 2 3 4 5 6 Single Output +VIN -VIN +VOUT Trim -VOUT Remote On/Off Pin 1 2 3 4 5 6 Dual Output +VIN -VIN +VOUT Common -VOUT Remote On/Off Adapter Plate Mechanical Dimensions: With Optional Heatsink All models of the MR2011S-xxRU series are available mounted on an adapter plate similar to the one pictured above. The adapter plate makes it easier to mount the unit to a chassis or to a standard DIN rail. Please contact the factory for more information. For the heatsink option, add suffix “H” to the model number (i.e. MR2011S-05RU-H) MicroPower Direct Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.02 (±0.50) We Power Your Success - For Less! 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: [email protected]