MEU1 MURATA-PS | Alldatasheet

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Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 1 of 10 www.murata.com www.murata.com For full details go to www.murata.com/en-global/ products/power/rohs SELECTION GUIDE Order Code Nominal Input Voltage Output Voltage Output Current Load Regulation (Typ.) Load Regulation (Max.) Ripple & Noise (Typ.) Ripple & Noise (Max.) Input Current at Rated Load Efficiency (Min.) Efficiency (Typ.) Isolation Capacitance (Typ.) MTTF1 Recommended Alternative V V mA % mVp-p mA % pF kHrs MEU1S0303ZC 3.3 3.3 303 11 14 27 50 385 73 76 28 3084 MEU1S0505ZC 5 5 200 7 9 19 45 244 78 81 34 3354 MEU1S1212ZC 12 12 83 5 7 15 40 100 82 86 91 2438 MEU1S0305ZC 3.3 5 200 9 12 21 45 373 76 79 30 3125 MEE1S0305SC MEU1S0309ZC 3.3 9 111 10 13 16 40 376 75 79 34 3960 NTE0309MC MEU1S0312ZC 3.3 12 83 9 12 15 40 369 77 81 40 3343 Contact Murata MEU1S0315ZC 3.3 15 67 8 10 14 40 371 77 81 33 3140 Contact Murata MEU1S0503ZC 5 3.3 303 9 12 26 50 249 74 77 29 2762 NTE0503MC MEU1S0509ZC 5 9 111 9 12 17 40 245 77 81 47 2952 NTE0509MC MEU1S0512ZC 5 12 83 8 10 17 40 239 78 83 45 3317 MEE1S0512SC MEU1S0515ZC 5 15 67 6 8 12 35 239 78 83 39 2600 NME0515SC MEU1S1205ZC 12 5 200 5 7 21 45 100 79 83 43 3742 MEE1S1205SC MEU1S1209ZC 12 9 111 6 9 17 40 100 80 84 71 2732 NTE1209MC MEU1S1215ZC 12 15 67 4 6 15 40 100 84 87 91 2980 NTE1215MC INPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Voltage range Continuous operation, 3.3V input types 2.97 3.3 3.63 VContinuous operation, 5V input types 4.5 5.0 5.5 Continuous operation, 12V input types 10.8 12.0 13.2 Reflected ripple current 3.3V & 5V Input types 3 15 mA p-p12V Input types 5 15 OUTPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Rated Power T A=-40°C to 85°C 1.0 W Voltage Set Point Accuracy See tolerance envelope Line regulation High V IN to low VIN 0303 1.0 1.25 %/%All other types 1.0 1.2 ISOLATION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Isolation test voltage Flash tested for 1 second 1000 VDC Resistance Viso= 1000VDC 10 GΩ

FEATURES

„UL60950 recognised „Single isolated output „1kVDC isolation „Efficiency up to 87% „Wide temperature performance at full 1 watt load, –40°C to 85°C „Power density 2.62W/cm3 „3.3V, 5V & 12V inputs „3.3V, 5V, 12V & 15V outputs „Custom solutions available „PCB mounting „Footprint reduction of over 26% from previous generations of 1W DC-DC’s

DESCRIPTION

The MEU1 series is a new range of ultra miniature through hole 1W DC-DC converters, available in a ZIP style pinout. The MEU1 series offers 1W of available output power over the industrial temperature range of -40ºC to 85ºC. They are ideally suited for providing local supplies on control system boards. With the added benefit of 1kVDC galvanic isolation to reduce switching noise and allows the device to be configured to provide an isolated negative rail in systems where only positive rails exist. 1. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load. All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified. GENERAL CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Switching frequency 85 kHz

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 2 of 10 www.murata.com TEMPERATURE CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Specification All output types -40 85 °CStorage -50 125 Case Temperature above ambient MEU1S03 30 All other types 25 Cooling Free air convection ABSOLUTE MAXIMUM RATINGS Lead temperature 1.5mm from case for 10 seconds 260°C Wave Solder Wave Solder profile not to exceed the profile recommended in IEC 61760-1 Section 6.1.3. Please refer to application notes for further information. Input voltage VIN, MEU1S03 types 5.5V Input voltage VIN, MEU1S05 types 7V Input voltage VIN, MEU1S12 types 15V

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 3 of 10 www.murata.com TECHNICAL NOTES ISOLATION VOLTAGE ‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage, applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. Murata Power Solutions MEU1 series of DC-DC converters are all 100% production tested at their stated isolation voltage. This is 1kVDC for 1 second. A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?” The MEU1 has been recognised by Underwriters Laboratory for functional insulation, both input and output should normally be maintained within SELV limits i.e. less than 42.4V peak, or 60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. The part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry according to safety standard requirements. REPEATED HIGH-VOLTAGE ISOLATION TESTING It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials, construction and environment. The MEU1 series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enamelled wire. While parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage. This consideration equally applies to agency recognised parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further insulation system of physical spacing or barriers. SAFETY APPROVAL The MEU1 series has been recognised by Underwriters Laboratory (UL) to UL 60950 for functional insulation, file number E151252 applies. The MEU1 Series of converters are not internally fused so to meet the requirements of UL 60950 an anti-surge input line fuse should always be used with ratings as defined below. MEU1S03xxxC: 0.50A MEU1S05xxxC: 0.50A MEU1S12xxxC: 0.25A All fuses should be UL approved and rated to at least the maximum allowable DC input voltage. RoHS COMPLIANCE INFORMATION This series is compatible with RoHS soldering systems with a peak wave solder temperature of 260°C for 10 seconds. Please refer to application notes for further information. The pin termination finish is Tin Plate, Hot Dipped over Matte Tin with Nickel Preplate. This series are backward compatible with Sn/Pb soldering systems. For further information, please visit www.murata.com/en-global/products/power/rohs PART NUMBER STRUCTURE MEU 1 S XX XX Z C Series name Power rating Output type S - Single D - Dual RoHS compliant Package type S - SIP D - DIP M - Surface mount Z - ZIP Output voltageInput voltage

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 4 of 10 www.murata.com CHARACTERISATION TEST METHODS Ripple & Noise Characterisation Method Ripple and noise measurements are performed with the following test configuration. C1 1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC-DC converter C2 10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC-DC converter with an ESR of less than 100mΩ at 100 kHz C3 100nF multilayer ceramic capacitor, general purpose R1 450Ω resistor, carbon film, ±1% tolerance R2 50Ω BNC termination T1 3T of the coax cable through a ferrite toroid RLOAD Resistive load to the maximum power rating of the DC-DC converter. Connections should be made via twisted wires Measured values are multiplied by 10 to obtain the specified values. Differential Mode Noise Test Schematic OSCILLOSCOPE Y INPUT SUPPLY C1 C2 C3 R1 T1 R2 Input Output DC/DC Converter R LOAD + + - - APPLICATION NOTES Minimum Load The minimum load to meet datasheet specification is 10% of the full rated load across the specified input voltage range. Lower than 10% minimum loading will result in an increase in output voltage, which may rise to typically 1.25 times the specified output voltage if the output load falls to less than 5%. Capacitive loading and start up Typical start up times for this series, with a typical input voltage rise time of 2.2μs and output capacitance of 10μF, are shown in the table below. The product series will start into a capacitance of 47μF with an increased start time, however, the maximum recommended output capacitance is 10μF. Start-up time μs MEU1S0303ZC 140 MEU1S0305ZC 280 MEU1S0309ZC 1050 MEU1S0312ZC 1930 MEU1S0315ZC 2790 MEU1S0503ZC 110 MEU1S0505ZC 200 MEU1S0509ZC 490 MEU1S0512ZC 880 MEU1S0515ZC 1400 MEU1S1205ZC 140 MEU1S1209ZC 240 MEU1S1212ZC 400 MEU1S1215ZC 600

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 5 of 10 www.murata.com TOLERANCE ENVELOPES The voltage tolerance envelopes show typical load regulation characteristics for this product series. The tolerance envelope is the maximum output voltage variation due to changes in output loading and set point accuracy. MEU1S0303ZC MEU1S0305ZC MEU1S0309ZC MEU1S0312ZC 10% 11% Output Load Current (%)Output Load Current (%) Output VoltageOutput Voltage -6% -4.5% 0.5% 100100 7575 5050 2525 10 10 13% Output Load Current (%) Output Voltage -3.5% 100755025 10 11% Output Load Current (%) Output Voltage 0.5% -3% 100755025 10

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 6 of 10 www.murata.com TOLERANCE ENVELOPES (Continued) MEU1S0315ZC MEU1S0503ZC MEU1S0505ZC MEU1S0509ZC MEU1S0512ZC MEU1S0515ZC Output Load Current (%) Output Voltage 0.5% -2.5% 100755025 10 Output Load Current (%) Output Voltage -6% 100755025 10 Output Load Current (%) Output Load Current (%) Output Voltage -3% 1.5% 100755025 10 13% Output Load Current (%) Output Load Current (%) Output Voltage -2.5% 1.5% 100755025 10 Output Voltage -3% 100755025 10 Output Voltage -3% 1.5%2.5% 100755025 10

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 7 of 10 www.murata.com TOLERANCE ENVELOPES (Continued) MEU1S1205ZC MEU1S1209ZC MEU1S1212ZC MEU1S1215ZC TEMPERATURE DERATING GRAPH 150100500-40 0.5 1.0 1.5 Safe Operating Area 85°C Ambient Temperature (°C) Output Power (W) Output Load Current (%) Output Load Current (%) Output Voltage 100755025 10 Output Load Current (%) Output Load Current (%) Output Voltage 100755025 10 Output Voltage 100755025 10 Output Voltage 100755025 10 -3% 0.5%1% -2.5% -2.5% 1%1.5% -2.5%

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 8 of 10 www.murata.com EFFICIENCY VS LOAD 3.3V Input 5V Input 12V Input 0 1 02 03 04 05 06 07 08 09 0 1 0 0 Efficiency (%) Load (%) MEU1S0303ZC MEU1S0305ZC MEU1S0309ZC MEU1S0312ZC MEU1S0315ZC 0 1 02 03 04 05 06 07 08 09 0 1 0 0 Efficiency (%) Load (%) MEU1S1205ZC MEU1S1209ZC MEU1S1212ZC MEU1S1215ZC 0 1 02 03 04 05 06 07 08 09 0 1 0 0 Efficiency (%) Load (%) MEU1S0503ZC MEU1S0505ZC MEU1S0509ZC MEU1S0512ZC MEU1S0515ZC

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 9 of 10 www.murata.com PACKAGE SPECIFICATIONS Mechanical Dimensions Pin connection - 4 PIN ZIP Pin Function 1- V IN 2+ V IN 3- V OUT 4 +VOUT Recommended Footprint Details Tube Outline Dimensions 0.30 [0.012] 2.54 [0.100] 5.08 [0.200] 2.54 [0.100] 1.27 [0.050] 0.40 [0.016] MIN 0.40 [0.016] 7.95 [0.313] MAX 8.30 [0.327] MAX 6.10 [0.240] MAX Tube Quantity : 60 Unless otherwise stated all dimensions in mm (inches) ±0.5mm. Tube length (4 Pin) : 520mm ±2mm (20.47). 7.8 (0.307) 15.75 (0.62)x 4 HOLES Ø1.15 1.00 [Ø 0.045 0.039 ] 1.27 [0.050] 1.27 [0.050]

Isolated 1W Single Output DC-DC Converters KDC_MEU1.J01 Page 10 of 10 www.murata.com Murata Power Solutions (Milton Keynes) Ltd. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. © 2023 Murata Power Solutions (Milton Keynes) Ltd. This product is subject to the following operating requirements and the Life and Safety Critical Application Sales Policy: Refer to: https://www.murata.com/en-eu/products/power/requirements DISCLAIMER Unless otherwise stated in the datasheet, all products are designed for standard commercial and industrial applications and NOT for safety-critical and/or life-critical applications. Particularly for safety-critical and/or life-critical applications, i.e. applications that may directly endanger or cause the loss of life, inflict bodily harm and/or loss or severe damage to equipment/property, and severely harm the environment, a prior explicit written approval from Murata is strictly required. Any use of Murata standard prod- ucts for any safety-critical, life-critical or any related applications without any prior explicit written approval from Murata shall be deemed unauthorised use. These applications include but are not limited to:

  • Aircraft equipment
  • Aerospace equipment
  • Undersea equipment
  • Power plant control equipment
  • Medical equipment
  • Transportation equipment (automobiles, trains, ships, etc.)
  • Traffic signal equipment
  • Disaster prevention / crime prevention equipment
  • Data Processing equipment Murata makes no express or implied warranty, representation, or guarantee of suitability, fitness for any particular use/purpose and/or compatibility with any applica- tion or device of the buyer, nor does Murata assume any liability whatsoever arising out of unauthorised use of any Murata product for the application of the buyer. The suitability, fitness for any particular use/purpose and/or compatibility of Murata product with any application or device of the buyer remain to be the responsibility and liability of the buyer. Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards that anticipate dangerous consequences of failures, moni- tor failures and their consequences, lessen the likelihood of failures that might cause harm, and take appropriate remedial actions. Buyer will fully indemnify and hold Murata, its affiliated companies, and its representatives harmless against any damages arising out of unauthorised use of any Murata products in any safety-critical and/ or life-critical applications. Remark: Murata in this section refers to Murata Manufacturing Company and its affiliated companies worldwide including, but not limited to, Murata Power Solutions.