MEJ2 Series www.murata-ps.com 5.2kVDC Isolated 2W DC/DC Converters SELECTION GUIDE Order Code V V mA % mVp-p % kHrs MEJ2S0303SC 3.3 3.3 606 756 14.0 17 38 55 67 70 3910 FEATURES MEJ2S0305SC 3.3 5 400 784 13.0 15 50 65 70 74 3757 MEJ2S0503SC 5 3.3 606 528 10.0 15 40 55 67 70 3830 RoHS compliant MEJ2S0505SC 5 5 400 503 8.5 10 43 55 72 75 3654 2 Basic/supplementary isolation to UL 60950 MEJ2S0509SC 5 9 222 505 8.0 11 36 50 75 78 3472 2 UL60601 (3rd Ed) recognition MEJ2S0512SC 5 12 167 495 8.0 12 40 55 74 77 3663 MEJ2S0515SC 5 15 133 488 7.0 10 34 45 76 79 2629 3 Power density 0.81W/cm MEJ2S1203SC 12 3.3 606 207 9.5 11 43 60 70 73 3259 Single and dual outputs MEJ2S1205SC 12 5 400 214 8.0 10 43 60 75 78 3200 MEJ2S1209SC 12 9 222 205 7.0 10 35 50 75 79 2453 UL 94V-0 package material MEJ2S1212SC 12 12 167 207 6.5 8 35 50 76 80 2779 2 Footprint 1.96cm MEJ2S1215SC 12 15 133 205 7.0 10 32 45 76 80 2707 MEJ2S1505SC 15 5 400 171 8.5 10 44 60 73 76 2638 SIP package style MEJ2S1509SC 15 9 222 165 6.5 8 35 50 74 78 2203 5.2kVDC isolation MEJ2S1512SC 15 12 167 164 6.5 8 38 55 74 79 2330 MEJ2S1515SC 15 15 133 166 7.0 8 36 50 74 78 2100 3.3V, 5V, 12V & 15V inputs MEJ2D0503SC 5 3.3 303 535 8.5 10 26 40 67 71 3969 3.3V, 5V, 9V, 12V & 15V output MEJ2D0505SC 5 5 200 508 7.5 9 34 50 72 76 3654 Internal SMD construction MEJ2D0509SC 5 9 111 510 6.5 8 27 40 76 79 3472 MEJ2D0512SC 5 12 83 504 5.0 8 27 40 77 80 3663 Fully encapsulated with toroidal magnetics MEJ2D0515SC 5 15 67 492 6.5 7 20 35 76 79 2629 Pin compatible with the MEV, NMV, NMK, & MEJ2D1203SC 12 3.3 303 205 8.0 9 37 55 72 75 3270 NMJ series MEJ2D1205SC 12 5 200 212 7.0 8 32 45 75 79 3268 MEJ2D1209SC 12 9 111 206 5.5 7 27 40 77 81 2453 MTTF up to 4200 million hours MEJ2D1212SC 12 12 83 208 5.5 7 27 40 77 81 2779 MEJ2D1215SC 12 15 67 203 6.0 7 24 40 78 82 2707 PRODUCT OVERVIEW MEJ2D1505SC 15 5 200 170 7.0 9 37 50 74 78 2638 The MEJ2 series are single and dual output MEJ2D1509SC 15 9 111 163 5.5 7 26 40 76 80 2203 medically approved DC/DC converters in a 7 pin SIP MEJ2D1512SC 15 12 83 167 5.5 7 26 40 75 80 2330 package style offering a power upgrade path from MEJ2D1515SC 15 15 67 167 5.5 7 23 35 75 79 2100 the NMJ series SIP DC/DC converters. The MEJ2 series is UL 60950 and UL 60601 recognized, which INPUT CHARACTERISTICS makes it ideal for applications where safety and Parameter Conditions Min. Typ. Max. Units miniaturisation are of paramount importance. Continuous operation, 3V input types 2.97 3.3 3.63 Continuous operation, 5V input types 4.5 5 5.5 Voltage range V Continuous operation, 12V input types 10.8 12 13.2 Continuous operation, 15V input types 13.5 15 16.5 3.3V input types 100 140 Input reected ripple 5V input types 60 90 mA 12V & 15V input types 22 40 1. Calculated using MIL-HDBK-217 FN2 calculation model with nominal input voltage at full load. 2. See safety approvals section for limitations of use. 3. See ripple & noise test method. All specications typical at TA=25C, nominal input voltage and rated output current unless otherwise specied. For full details go to www.murata-ps.com/rohs www.murata-ps.com/support KDC MEJ2C.B01 Page 1 of 7 Nominal Input Voltage Output Voltage Output Current Input Current at Rated Load Load Regulation (Typ) Load Regulation (Max) Ripple & Noise 3 (Typ) Ripple & Noise 3 (Max) Efciency (Min) Efciency (Typ) 2 MTTFMEJ2 Series 5.2kVDC Isolated 2W DC/DC Converters OUTPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units 2 Rated Power 2W TA=-40C to 85C Voltage Set Point Accuracy See tolerance envelopes Line regulation High VIN to low VIN 1.0 1.2 %/% ABSOLUTE MAXIMUM RATINGS Short-circuit protection 10 minutes Lead temperature 1mm from case for 10 seconds 260C Input voltage VIN, MEJ2x03xxSC 5V Input voltage VIN, MEJ2x05xxSC 7V Input voltage VIN, MEJ2x12xxSC 15V Input voltage VIN, MEJ2x15xxSC 18V ISOLATION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Isolation test voltage Flash tested for 1 second 5200 VDC Resistance Viso= 500VDC 1G Isolation capacitance 4pF GENERAL CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Switching frequency All types 45 kHz TEMPERATURE CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Specication All output types (see safety approval section for limitations) -40 85 Storage -55 125 MEJ2S0509SC, MEJ2S0512SC, MEJ2S0515SC, MEJ2S1209SC, MEJ2x1212SC, 27 MEJ2S1215SC, MEJ2S1509SC, MEJ2S1512SC, MEJ2S1515SC C MEJ2S0503SC, MEJ2S0505SC, MEJ2S1203SC, MEJ2S1205SC, MEJ2x1505SC, 30 MEJ2S1515SC, MEJ2D0512SC, MEJ2D0515SC, MEJ2D1209SC, MEJ2D1215SC Case Temperature above ambient MEJ2S0305SC, MEJ2S0303SC, MEJ2S1203SC, MEJ2D0505SC, MEJ2D0509SC, 33 MEJ2D1205SC, MEJ2D1509SC, MEJ2D1512SC MEJ2D01203SC, MEJ2D0503SC 37 Cooling Free air convection TEMPERATURE DERATING GRAPH 2.0 Safe 1.0 Operating Area 0.2 -40 0 40 85 Ambient Temperature (C) UL60950 recognition to a maximum ambient temperature of 85C and/or case temperature limit of 155C, measured on the face opposite the pins. www.murata-ps.com/support KDC MEJ2C.B01 Page 2 of 7 Output Power (W)