MEU1 Series www.murata-ps.com Isolated 1W Single Output DC/DC Converters SELECTION GUIDE Order Code FEATURES V V mA % mVp-p mA % pF kHrs MEU1S0303ZC 3.3 3.3 303 11 14 27 50 385 73 76 28 3084 UL60950 recognised MEU1S0305ZC 3.3 5 200 9 12 21 45 373 76 79 30 3125 Single isolated output MEU1S0309ZC 3.3 9 111 10 13 16 40 376 75 79 34 3960 MEU1S0312ZC 3.3 12 83 9 12 15 40 369 77 81 40 3343 1kVDC isolation MEU1S0315ZC 3.3 15 67 8 10 14 40 371 77 81 33 3140 Efciency up to 87% MEU1S0503ZC 5 3.3 303 9 12 26 50 249 74 77 29 2762 MEU1S0505ZC 5 5 200 7 9 19 45 244 78 81 34 3354 Wide temperature performance at full MEU1S0509ZC 5 9 111 9 12 17 40 245 77 81 47 2952 1 watt load, 40C to 85C MEU1S0512ZC 5 12 83 8 10 17 40 239 78 83 45 3317 3 MEU1S0515ZC 5 15 67 6 8 12 35 239 78 83 39 2600 Power density 2.62W/cm MEU1S1205ZC 12 5 200 5 7 21 45 100 79 83 43 3742 3.3V, 5V, and 12V input MEU1S1209ZC 12 9 111 6 9 17 40 100 80 84 71 2732 MEU1S1212ZC 12 12 83 5 7 15 40 100 82 86 91 2438 3.3V, 5V, 9V, 12V and 15V output MEU1S1215ZC 12 15 67 4 6 15 40 100 84 87 91 2980 Custom solutions available INPUT CHARACTERISTICS PCB mounting Parameter Conditions Min. Typ. Max. Units Footprint reduction of over 26% from Continuous operation, 3.3V input types 2.97 3.3 3.63 previous generations of 1W DC/DCs Voltage range Continuous operation, 5V input types 4.5 5.0 5.5 V Continuous operation, 12V input types 10.8 12.0 13.2 DESCRIPTION 3.3V & 5V Input types 3 15 Reected ripple current mA p-p The MEU1 series is a new range of ultra miniature 12V Input types 5 15 through hole 1W DC/DC converters, available in a ZIP style pinout. The MEU1 series offers 1W OUTPUT CHARACTERISTICS of available output power over the industrial Parameter Conditions Min. Typ. Max. Units temperature range of -40C to 85C. They are Rated Power TA=-40C to 85C 1.0 W ideally suited for providing local supplies on Voltage Set Point Accuracy See tolerance envelope control system boards. 0303 1.0 1.25 Line regulation High VIN to low VIN %/% With the added benet of 1kVDC galvanic All other types 1.0 1.2 isolation to reduce switching noise and allows the device to be congured to provide an isolated ISOLATION CHARACTERISTICS negative rail in systems where only positive rails Parameter Conditions Min. Typ. Max. Units exist. Isolation test voltage Flash tested for 1 second 1000 VDC Resistance Viso= 1000VDC 10 G GENERAL CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Switching frequency 85 kHz 1. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load. 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 MEU1.C02 Page 1 of 8 Nominal Input Voltage Output Voltage Output Current Load Regulation (Typ.) Load Regulation (Max.) Ripple & Noise (Typ.) Ripple & Noise (Max.) Input Current at Rated Load Efciency (Min.) Efciency (Typ.) Isolation Capacitance (Typ.) 1 MTTFMEU1 Series Isolated 1W Single Output DC/DC Converters ABSOLUTE MAXIMUM RATINGS Lead temperature 1.5mm from case for 10 seconds 260C Input voltage VIN, MEU1S03 types 5.5V Input voltage VIN, MEU1S05 types 7V Input voltage VIN, MEU1S12 types 15V TEMPERATURE CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Specication All output types -40 85 Storage -50 125 C MEU1S03 30 Case Temperature above ambient All other types 25 Cooling Free air convection 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 +11% +10% +6% +6% 0.5% +1% -6% -4.5% 100 100 10 25 50 75 10 25 50 75 Output Load Current (%) Output Load Current (%) MEU1S0309ZC MEU1S0312ZC +13% +11% +5% +4% 0.5% 0% -3.5% -3% 10 25 50 75 100 100 10 25 50 75 Output Load Current (%) Output Load Current (%) www.murata-ps.com/support KDC MEU1.C02 Page 2 of 8 Output Voltage Output Voltage Output Voltage Output Voltage