mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 1 of 9 www.murata-ps.com www.murata-ps.com/support for full details go to www.murata-ps.com/rohs $ contact factory selection guide order code nominal input voltage output voltage output current input current (typ) load regulation (typ) load regulation (max) ripple & noise (typ) 3 ripple & noise (max) 3 ef?ciency (min) ef?ciency (typ) mttf 1 v v ma % mvp-p % khrs single mej1s0303sc 3.3 3.3 303 410 8.5 11 42 55 67 70 3653 mej1s0305sc 3.3 5 200 400 9 10 33 45 68 71.5 3810 mej1s0503sc 5 3.3 303 280 6.5 8 20 40 66 69 4117 mej1s0505sc 5 5 200 270 5.5 7 24 40 68 72 4082 mej1s0509sc 5 9 111 265 4.5 5 20 40 70 74 3939 mej1s0512sc 5 12 83 260 4.5 7 22 40 71 74 3816 mej1s0515sc 5 15 66 260 5 6 22 40 72 75 3412 mej1s1203sc 12 3.3 303 110 6 7 25 45 69 72 3461 mej1s1205sc 12 5 200 110 5 6 21 40 71 74.5 3319 mej1s1209sc 12 9 111 105 4 5 18 40 73 76.5 3218 mej1s1212sc 12 12 83 105 3.5 5 19 40 73 76.5 3494 mej1s1215sc 12 15 66 105 4 5 16 40 73 77 3150 mej1s1505sc 15 5 200 90 5 6 23 45 70 74 3048 mej1s1509sc 15 9 111 85 4 5 18 40 72 76 2963 mej1s1512sc 15 12 83 85 4 5 20 40 72 76.5 2733 mej1s1515sc 15 15 66 85 4 5 19 35 73 76.5 2333 mej1s2405sc 24 5 200 55 5 6 23 40 71 75 3353 mej1s2409sc 24 9 111 55 4 7 17 40 72 77 2940 mej1s2412sc 24 12 83 55 4 5 19 40 72 78 2987 mej1s2415sc 24 15 66 55 3.5 5 17 40 74 78 2517 dual mej1d0503sc 5 3.3 151 280 6 8 19 40 67 70 4511 mej1d0505sc 5 5 100 275 5 6 23 35 69 72 4012 MEJ1D0509SC 5 9 55 265 4 6 16 35 69 74 3492 mej1d0512sc 5 12 42 260 4 5 15 30 72 74.5 3485 mej1d0515sc 5 15 33 260 4 5 13 35 71 75.5 2844 mej1d1203sc 12 3.3 151 110 5.5 6 19 40 70 73 3461 mej1d1205sc 12 5 100 110 4.5 5 18 40 72 75.5 3317 mej1d1209sc 12 9 55 110 4 5 15 35 73 77 2908 mej1d1212sc 12 12 42 110 3.5 5 14 30 74 76.5 2911 mej1d1215sc 12 15 33 110 4 5 11 35 73 77 2713 mej1d1505sc 15 5 100 90 4.5 5 19 40 72 75 3274 mej1d1509sc 15 9 55 85 4 5 14 35 73 76.5 3229 mej1d1512sc 15 12 42 85 3.5 5 13 35 73 77 2872 mej1d1515sc 15 15 33 85 3.5 5 20 35 73 76.5 2440 mej1d2405sc 24 5 100 55 4.5 5 19 40 72 76.5 3316 mej1d2409sc 24 9 55 55 3.5 5 17 35 73 78 3208 mej1d2412sc 24 12 42 55 3.5 5 12 35 74 78 3362 mej1d2415sc 24 15 33 55 3.5 5 14 35 74 78.5 2697 input characteristics parameter conditions min. typ. max. units voltage range continuous operation, 3v input types 2.97 3.3 3.63 v continuous operation, 5v input types 4.5 5 5.5 continuous operation, 12v input types 10.8 12 13.2 continuous operation, 15v input types 13.5 15 16.5 continuous operation, 24v input types 21.6 24 26.4 input re?ected ripple 3.3v input types 40 ma 5v input types 24 12v & 15v input types 12 24v input types 8 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 speci?cations typical at t a =25c, nominal input voltage and rated output current unless otherwise speci?ed. features ? basic/supplementary isolation to ul 60950 2 ? ansi/aami es60601-1 ? single and dual outputs ? ul 94v-0 package material ? sip package style ? 5.2kvdc isolation hi pot test ? 3.3v, 5v, 12v, 15v & 24v inputs ? 3.3v, 5v, 9v, 12v & 15v output ? internal smd construction ? fully encapsulated with toroidal magnetics ? pin compatible with the mev, nmv, nmk, mej2, & nmj series product overview the mej1 series are single and dual output dc/ dc converters in a 7 pin sip package style offering an isolation and insulation upgrade path from the nmv & mev1 series. the mej1 series has ul60950 and ansi/aami es60601-1 recognition, which makes it ideal for applications where safety and miniaturisation are of paramount importance.
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 2 of 9 www.murata-ps.com/support output characteristics parameter conditions min. typ. max. units rated power 2 t a =-40 oc to 85 oc 1w voltage set point accuracy see tolerance envelopes line regulation high v in to low v in 1.1 1.2 %/% absolute maximum ratings short-circuit protection 48 hours lead temperature 1mm from case for 10 seconds 260c input voltage v in , mej1x03xxsc 5v input voltage v in , mej1x05xxsc 7v input voltage v in , mej1x12xxsc 15v input voltage v in, mej1x15xxsc 18v input voltage v in, mej1x24xxsc 28v isolation characteristics parameter conditions min. typ. max. units isolation test voltage production tested for 1 second 5200 vdc qualifcation tested for 1 second 7000 qualifcation tested for 1 minute 5200 resistance viso= 500vdc 1g isolation capacitance 3pf general characteristics parameter conditions min. typ. max. units switching frequency all types 50 khz temperature characteristics parameter conditions min. typ. max. units speci?cation all output types (see safety approval section for limitations) -40 85 c storage -55 125 case temperature above ambient mej1s1212sc, mej1s1512sc, mej1s2412sc, mej1d1215sc, mej1d1512sc, mej1d2412sc, mej1d2415sc, mej1s1215sc, mej1s1509sc, mej1s2409sc 13 mej1d1205sc, mej1d1209sc, mej1d2405sc, mej1d2409sc, mej1s1209sc, mej1s1515sc, mej1s2415sc, mej1d1212sc, mej1d1509sc, mej1s0515sc, mej1s2405sc, mej1d0512sc, mej1d0515sc, mej1d1515sc, mej1s1505sc , mej1d0505sc, MEJ1D0509SC, mej1d1203sc, mej1d1505sc, mej1s0509sc, mej1s0512sc, mej1s1205sc 17 mej1s0505sc, mej1s1203sc, mej1d0503sc, mej1s0303sc, mej1s0305sc, mej1s0503sc 21 cooling free air convection temperature derating graph 85 40 0 -40 0.2 0.5 1.0 ambient temperature (oc) output power (w) safe operating area
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 3 of 9 www.murata-ps.com/support 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 speci?ed time, across a component designed to provide electrical isolation, to verify the integrity of t hat isolation. murata power solutions mej1 series of dc/dc converters are all 100% production tested at 5.2kvdc for 1 second and qualifcation tested at 7kvdc for 1 second, 5.2kvdc for 1minute. a question commonly asked is, what is the continuous voltage that can be applied across the part in normal operation? the mej1 series has been recognized by underwiters laboratory for various voltages, please see safety approval section below. 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. we therefore strongly advise against repeated high voltage isolation testing, but if i t is absolutely required, that the voltage be reduced by 20% from speci?ed test voltage. safety approval ansi/aami es60601-1 the mej1 series has been tested by underwriters laboratory (ul) to meet ansi/aami es60601-1 medical safety standard providing t he following moop (means of operator protection), in a maximum ambient temperature of 85c and/or case temperature limit of 130c (case temperature measured on the face opposite the pins): 1 moop based upon a working voltage of 200 vrms max and 280 vpk max., between primary and secondary and between primary and its enclosure. file n umber e202895 applies. ul 60950 the mej1 series has been recognized by underwriters laboratory (ul) to ul 60950 for basic/supplementary insulation to a working voltage of 250vrms in a maximum ambient temperature of 85c and/or case temperature limit of 130c (case temperature measured on the face opposite the pins). file numb er e151252 applies. fusing the mej1 series of converters are not internally fused so to meet the requirements of ul an anti-surge input line fuse should a lways be used with ratings as de?ned below. mej1x03xxsc 1a mej1x05xxsc 1a mej1x12xxsc 500ma mej1x15xxsc 500ma mej1x24xxsc 250ma all fuses should be ul recognized 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 260oc for 10 seconds. the pin term ination ?nish on this product series is tin plate, hot dipped over matte tin with nickel preplate. the series is backward compatible with sn/ pb soldering systems. for further information, please visit www.murata-ps.com/rohs
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 4 of 9 www.murata-ps.com/support application notes minimum load the minimum load to meet datasheet speci?cation is 10% of the full rated load across the speci?ed input voltage range. lower th an 10% minimum loading will result in an increase in output voltage, which may rise to typically double the speci?ed output voltage if the output load falls to le ss than 5%. capacitive loading and start up typical start up times for this series, with a typical input voltage rise time of 2.2s and output capacitance of 10f, are sho wn in the table below. the product series will start into a capacitance of 47f with an increased start time, however, the maximum recommended output capacitance is 10f. ripple & noise characterisation method ripple and noise measurements are performed with the following test con?guration. c1 1f x7r m ultilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the dc/dc converter c2 10f tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the dc/dc converter with an esr of l ess than 100m at 100 khz c3 100nf multilayer ceramic capacitor, general purpose r1 450 resistor, carbon ?lm, 1% tolerance r2 50 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 speci?ed values. differential mode noise test schematic start-up time start-up time s s mej1s0303sc 900 mej1d0503sc 700 mej1s0305sc 2000 mej1d0505sc 1600 mej1s0503sc 500 MEJ1D0509SC 3700 mej1s0505sc 2000 mej1d0512sc 4200 mej1s0509sc 3200 mej1d0515sc 7000 mej1s0512sc 7500 mej1d1203sc 600 mej1s0515sc 10500 mej1d1205sc 1200 mej1s1203sc 600 mej1d1209sc 3600 mej1s1205sc 1200 mej1d1212sc 3900 mej1s1209sc 2900 mej1d1215sc 6000 mej1s1212sc 2900 mej1d1505sc 1200 mej1s1215sc 3900 mej1d1509sc 3200 mej1s1505sc 1100 mej1d1512sc 3300 mej1s1509sc 2400 mej1d1515sc 4800 mej1s1512sc 2700 mej1d2405sc 1100 mej1s1515sc 3800 mej1d2409sc 2000 mej1s2405sc 1700 mej1d2412sc 3300 mej1s2409sc 2300 mej1d2415sc 6400 mej1s2412sc 2200 mej1s2415sc 3600 typical start-up wave form oscilloscope y input supply c1 c2 c3 r1 t1 r2 input output dc/dc converter r load + + - -
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 5 of 9 www.murata-ps.com/support tolerance envelopes the voltage tolerance envelope shows typical load regulation characteristics for this product series. the tolerance envelope is the maximum output voltage variation due to changes in output loading. dual 1203,1515, 2412, single 0303, 0305, 1203 dual 1209, 1509, 2409 dual 0515, single 1515, 2415 dual 1512, single 1212, 1512, 2412 dual 0512, single 1209, 1509, dual 1212, 1215, 2415, single 0509, 0512, 1215, 2409 +5% -1% output load current (%) output voltage -7% +2% 100 75 50 25 10 +3% +1% output load current (%) output voltage -3% 0% 100 75 50 25 10 +2% -1% output load current (%) output voltage -5% 0% 100 75 50 25 10 +2% 0% output load current (%) output voltage -4% 0% 100 75 50 25 10 +2% +1% output load current (%) output voltage -4% -1% 100 75 50 25 10 +5% -1% output load current (%) output voltage -4% +2% 100 75 50 25 10
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 6 of 9 www.murata-ps.com/support tolerance envelopes single 1205, 1505, 2405, 0515 dual 1205, 0505, 1505, 2405 dual 0509, 0503, single 0503, 0505 +4% +2% output load current (%) output voltage -3% 0% 100 75 50 25 10 +5% +3% output load current (%) output voltage -2% +1% 100 75 50 25 10 +6% +1% output load current (%) output voltage -4% +1% 100 75 50 25 10
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 7 of 9 www.murata-ps.com/support efficiency vs load single output 3.3v input 5v input 12v input 15v input 24v input 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1s1212sc mej1s1209sc mej1s1215sc mej1s1203sc mej1s1205sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1s1512sc mej1s1509sc mej1s1515sc mej1s1505sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1s2412sc mej1s2409sc mej1s2415sc mej1s2405sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1s0305sc mej1s0303sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1s0512sc mej1s0509sc mej1s0515sc mej1s0503sc mej1s0505sc
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 8 of 9 www.murata-ps.com/support efficiency vs load dual output 5v input 12v input 15v input 24v input 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1d1212sc mej1d1209sc mej1d1215sc mej1d1205sc mej1d1203sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1d1512sc mej1d1509sc mej1d1515sc mej1d1505sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1d2412sc mej1d2409sc mej1d2415sc mej1d2405sc 10 20 30 40 50 70 100 90 80 60 0 0 10 30 50 70 90 efficiency (%) load (%) mej1d0512sc MEJ1D0509SC mej1d0515sc mej1d0505sc mej1d0503sc
mej1 series 5.2kvdc isolated 1w dc/dc converters kdc_mej1_e01 page 9 of 9 www.murata-ps.com/support murata power solutions, inc. 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 her ein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci?cations are subject to chan ge without notice. ? 2017 murata power solutions, inc. murata power solutions, inc. 11 cabot boulevard, mans?eld, ma 02048-1151 u.s.a. iso 9001 and 14001 registered this product is subject to the following operating requirements and the life and safety critical application sales policy : refer to: http://www.murata-ps.com/requirements/ package specifications mechanical dimensions pin connections single output pin function 1 +vin 2 -vin 5 -vout 7 +vout dual output pin function 1 +v in 2-v in 5-v out 6* ov 7+v out tube outline dimensions recommended footprint details weight: 4.3g 6.00 (0.236) 5.00 (0.197) 5.20 (0.205) 1.50 (0.059) 0.60.15 14.20 (0.559) (0.0240.006) unless otherwise stated all dimensions in mm 0.5mm (inches 0.02). tube length : 20.6690.079 (525mm2mm). tube quantity : 25 19.65 [0.774] max 10.05 [0.396] max 2.93 2.13 [ 0.115 0.084 ] 2.95 1.62 [ 0.116 0.064 ] 2 0.50 [0.020]0.05 4.100.50 [0.1610.020] 12.65 [0.498] max 2.54 [0.100] * 0.40 [0.016] min 15.24 [0.600] 0.25 [0.010]0.05 1 5 6* 7 mej1d0503sc xyyww all dimensions in mm 0.25mm (inches 0.01). all pins on a 2.54 (0.1) pitch and within 0.25 (0.01) of true position. * pin not ?tted on single output variants. 2.54 [0.100] 2.54 [0.100] x5 holes ? 1.15 1.00 [ ? 0.045 0.039 ] * hole not required for single output variants. all dimensions in mm 0.25mm (inches 0.01).
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