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mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 1 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com for full details go to www.murata-ps.com/rohs $ www.murata-ps.com selection guide - single output 1 order code nominal input voltage output voltage output current input current at rated load load regulation (typ) load regulation (max) ripple & noise (typ) 2 ripple & noise (max) 2 ef? ciency (min) ef? ciency (typ) isolation capacitance mttf 3 package style v v ma % mvp-p % pf khrs mev1s0505sc 5 5 200 233 5.4 6.2 20 30 81 84 38 7684 sip mev1s0509sc 5 9 111 227 4.2 5.5 12 20 83.5 86.5 42 7698 sip mev1s0512sc 5 12 84 226 4.6 5.5 10 20 84 87 40 7175 sip mev1s0515sc 5 15 67 225 4.5 5 8 15 85 87.5 39 6496 sip mev1s1205sc 12 5 200 98 4.5 5 12 15 80 84 28 7569 sip mev1s1209sc 12 9 111 96 3 3.3 8 15 83 86 50 7317 sip mev1s1212sc 12 12 84 94 3 3.6 7 15 85.5 88 70 6647 sip mev1s1215sc 12 15 67 94 2.5 2.9 7 15 83.5 88 59 6279 sip mev1s1505sc 15 5 200 79 4 5 10 20 80 83.5 32 7167 sip mev1s1509sc 15 9 111 77 2.5 3.5 8 20 82.5 86.5 52 6906 sip mev1s1512sc 15 12 84 76 2.3 3.5 6 15 83.5 87.5 63 6523 sip mev1s1515sc 15 15 67 76 2.5 3.5 6 15 85 89 87 5916 sip mev1s2405sc 24 5 200 50 3.3 5 12 20 79 84 38 7391 sip mev1s2409sc 24 9 111 48 2.2 3.5 8 20 81 86.5 56 6490 sip mev1s2412sc 24 12 84 48 2 3.5 7 15 82 87.5 72 6772 sip mev1s2415sc 24 15 67 48 1.8 3 7 15 82 87.5 83 5957 sip mev1s4805sc 48 5 200 26 3.3 5 19 35 75.5 79.5 34 7354 sip mev1s4809sc 48 9 111 25 2.4 3.5 13 25 78.5 82 54 7120 sip mev1s4812sc 48 12 84 26 2 3 10 20 78 82 63 7088 sip mev1s4815sc 48 15 67 26 1.9 3 9 20 79 82.5 74 7238 sip mev1s0505dc 5 5 200 234 5.4 6.5 15 30 81 84 39 6884 dip mev1s0509dc 5 9 111 228 4.2 5.5 9 20 83 86.5 40 6732 dip mev1s0512dc 5 12 84 228 5.0 5.7 8 15 84 87 39 6153 dip mev1s0515dc 5 15 67 226 4.4 5.5 8 15 84 87.5 38 5419 dip mev1s1205dc 12 5 200 98 4.6 5.5 11 20 80 84 34 6644 dip mev1s1209dc 12 9 111 96 3 3.5 8 15 82 86 50 6434 dip mev1s1212dc 12 12 84 93 3.1 3.7 7 15 84 88 52 5653 dip mev1s1215dc 12 15 67 94 2.5 3.3 6 15 83 88 60 5267 dip mev1s1505dc 15 5 200 79 4 5.2 11 25 79 83.5 32 6332 dip mev1s1509dc 15 9 111 77 2.6 3.3 7 20 81 86.5 52 6114 dip mev1s1512dc 15 12 84 76 2.3 3 6 15 83 87.5 63 5767 dip mev1s1515dc 15 15 67 75 2.5 3.2 6 15 84 89 87 5002 dip mev1s2405dc 24 5 200 50 3.4 4.5 16 30 79 84 38 6488 dip mev1s2409dc 24 9 111 48 2.3 3.3 9 20 82 86.5 55 5693 dip mev1s2412dc 24 12 84 48 2 3 7 15 83 87.5 73 5736 dip mev1s2415dc 24 15 67 48 1.8 3 6 15 83 87.5 84 4915 dip 1. for dual output variants, see page 2. 2. see ripple & noise characterisation method. 3. calculated using mil-hdbk-217f fn2 with nominal input voltage at full load. all speci? cations typical at t a =25c, nominal input voltage and rated output current unless otherwise speci? ed. product overview the mev series is the new high performance version of our 1w nmv series. the mev series is more ef? cient and offers improved regulation performance from 1.8% for applications where a wide output voltage variation can not be tolerated. they are ideally suited for providing local supplies on control system boards with the added bene? t of 3kvdc galvanic isolation to reduce switch ing noise. the mev series is currently available in an industry sip 7 or dip 14 package. features ul 60950 recognized rohs compliant ef? ciency to 89% (typ.) power density to 0.85w/cm 3 wide temperature performance at full 1 watt load, C40c to 85c ul 94v-0 package material no heatsink required industry standard pinout 3kvdc isolation (1 minute) 5v, 12v, 15v, 24v, & 48v inputs 5v, 9v, 12v, & 15v output fully encapsulated with toroidal magnetics no external components required no electrolytic or tantalum capacitors
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 2 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com selection guide - dual output 1 order code nominal input voltage output voltage output current input current at rated load load regulation (typ) load regulation (max) ripple & noise (typ) 2 ripple & noise (max) 2 ef? ciency (min) ef? ciency (typ) isolation capacitance mttf 3 package style v v ma % mvp-p % pf khrs mev1d0505sc 5 5 100 233 5.1 6.5 14 35 82 85 42 tba sip mev1d0509sc 5 9 56 228 4.1 5.2 11 30 84 87 42 tba sip mev1d0512sc 5 12 42 228 4.2 5.4 9 25 85 87.5 38 tba sip mev1d0515sc 5 15 33 225 4.0 5.2 9 25 85 88 38 tba sip mev1d1205sc 12 5 100 98 3.8 4.5 13 35 81 85 33 tba sip mev1d1209sc 12 9 56 95 2.7 3.5 10 25 83 87 53 tba sip mev1d1212sc 12 12 42 93 2.7 3.4 8 20 85 89.5 64 tba sip mev1d1215sc 12 15 33 94 2.2 3 7 20 85 88.5 74 tba sip MEV1D1505SC 15 5 100 78 3.3 4.0 14 35 81 84.5 33 tba sip mev1d1509sc 15 9 56 76 2.2 2.9 10 30 83 87 47 tba sip mev1d1512sc 15 12 42 76 2.1 3.0 8 25 84 88 67 tba sip mev1d1515sc 15 15 33 75 2.3 3.0 7 20 87 90.5 112 tba sip mev1d2405sc 24 5 100 49 2.9 4.0 13 35 81 84 36 tba sip mev1d2409sc 24 9 56 47 1.9 2.7 12 35 83 86 52 tba sip mev1d2412sc 24 12 42 47 1.8 2.7 10 30 85 88 78 tba sip mev1d2415sc 24 15 33 47 1.5 2.4 9 25 84 88 81 tba sip mev1d4805sc 48 5 100 26 2.6 3.3 21 50 77 80 32 tba sip mev1d4809sc 48 9 56 25 1.6 2.4 14 40 80 83 54 tba sip mev1d4812sc 48 12 42 25 1.4 2.2 13 35 81 84 79 tba sip mev1d4815sc 48 15 33 25 1.3 2.2 12 30 82 85 79 tba sip mev1d0505dc 5 5 100 233 5.1 6.5 14 35 82 85 42 tba dip mev1d0509dc 5 9 56 228 4.1 5.2 11 30 84 87 42 tba dip mev1d0512dc 5 12 42 228 4.2 5.4 9 25 85 87.5 38 tba dip mev1d0515dc 5 15 33 225 4.0 5.2 9 25 85 88 38 tba dip mev1d1205dc 12 5 100 98 3.8 4.5 13 35 81 85 33 tba dip mev1d1209dc 12 9 56 95 2.7 3.5 10 25 83 87 53 tba dip mev1d1212dc 12 12 42 93 2.7 3.4 8 20 85 89.5 64 tba dip mev1d1215dc 12 15 33 94 2.2 3 7 20 85 88.5 74 tba dip mev1d1505dc 15 5 100 78 3.3 4 14 35 81 84.5 33 tba dip mev1d1509dc 15 9 56 76 2.2 2.9 10 30 83 87 47 tba dip mev1d1512dc 15 12 42 76 2.1 3.0 8 25 84 88 67 tba dip mev1d1515dc 15 15 33 75 2.3 3.0 7 20 87 90.5 112 tba dip mev1d2405dc 24 5 100 49 2.9 4 13 35 81 84 36 tba dip mev1d2409dc 24 9 56 47 1.9 2.7 12 35 83 86 52 tba dip mev1d2412dc 24 12 42 47 1.8 2.7 10 30 85 88 78 tba dip mev1d2415dc 24 15 33 47 1.5 2.4 9 25 85 87.5 81 tba dip 1. for single output variants, see page 1. 2. see ripple & noise characterisation method. 3. calculated using mil-hdbk-217f fn2 with nominal input voltage at full load. all speci? cations typical at t a =25c, nominal input voltage and rated output current unless otherwise speci? ed.
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 3 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com input characteristics parameter conditions min. typ. max. units voltage range continuous operation, 5v input types 4.5 5 5.5 v 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 continuous operation, 48v input types 43.2 48 52.8 re? ected ripple current 5v input types 11 20 ma p-p 12v input types 5 15 15v input types 3.5 10 24v input types 4.7 15 48v input types 22 50 output characteristics parameter conditions min. typ. max. units rated power t a =-40 c to 85 c 1w voltage set point accuracy see tolerance envelope line regulation high v in to low v in 1.05 1.1 %/% isolation characteristics parameter conditions min. typ. max. units isolation test voltage flash tested for 1 minute 3000 vdc resistance viso= 1000vdc 10 g general characteristics parameter conditions min. typ. max. units switching frequency - single output types 5v input types 60 khz 12v input types & mev1sx1515xc 75 24v input types & mev1sx1505sxc, mev1sx1509sxc, mev1sx1512sxc 85 48v input types 65 switching frequency - dual output types mev1d4812xc, mev1d4815xc 55 mev1d05xxc, mev1d1212xc, mev1d1515xc, mev1d4805xc, mev1d4809xc 60 mev1d1205xc, mev1d2412xc 75 mev1d1209xc, mev1d1215xc, mev1d1505xc, mev1d1512xc, mev1d2405xc, mev1d2415xc 80 mev1d1509xc, mev1d2409xc 90 temperature characteristics parameter conditions min. typ. max. units speci? cation all output types -40 85 c storage -50 125 case temperature above ambient 24v & 48v input types 20 all other types 15 cooling free air convection absolute maximum ratings lead temperature 1.5mm from case for 10 seconds 300c input voltage v in , mev05 types 7v input voltage v in, mev12 types 15v input voltage vin, mev15 types 18v input voltage vin, mev24 types 28v input voltage vin, mev48 types 54v
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 4 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com temperature derating graph tolerance envelope output load current (%) e g a t l o v t u p t u o v nom 5% 0% -4% 2% typical load line 100 75 50 25 10 150 100 50 0 -40 0 0.5 1.0 1.5 safe operating area 85c ambient temperature (c) output power (w) 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 that isol ation. murata power solutions mev1 series of dc/dc converters are all 100% production tested at their stated isolation voltage. this i s 3kvdc for 1 minute. a question commonly asked is, what is the continuous voltage that can be applied across the part in normal operation? the mev1 has been recognized by underwriters laboratory for functional insulation, both input and output should normally be mai ntained 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 ba rrier; 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 c ircuits 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 mev1 series has toroidal isolation transformers, with no additional insulation between primar y and secondary windings of enameled wire. while parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insu lation. 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 b e reduced by 20% from speci? ed test voltage. this consideration equally applies to agency recognized 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 mev1 series has been recognized by underwriters laboratory (ul) to ul 60950 for functional insulation in a maximum still ai r ambient temperature of 85c and/or case tem- perature limit (case temperature measured on the face opposite the pins) as follows: mev1sxxxxsc: 130oc mev1sxxxxdc: 130oc mev1dxxxxsc: 94oc mev1dxxxxdc: 96oc the mev1 series of converters are not internally fused so to meet the requirements of ul 60950 an anti-surge input line fuse sh ould always be used with ratings as de? ned below. mev1x05xxxc: 1a mev1x12xxxc: 0.375a mev1x15xxxc: 0.375a mev1x24xxxc: 0.2a mev1x48xxxc: 0.1a all fuses should be ul recognized and rated to at least the maximum allowable dc input voltage. file number e179522 applies. 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. rohs compliant information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300c for 10 seconds. the pin termination ? nish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. for further information, please visit www.murata-ps.com/rohs
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 5 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com 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 than 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 less 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 oscilloscope y input supply c1 c2 c3 r1 t1 r2 input output dc/dc converter r load + + - - typical start-up wave form start-up time start-up time s s mev1x0505xc 585 mev1x1512xc 3045 mev1x0509xc 1550 mev1x1515xc 4445 mev1x0512xc 2700 mev1x2405xc 440 mev1x0515xc 4320 mev1x2409xc 4355 mev1x1205xc 605 mev1x2412xc 1855 mev1x1209xc 1750 mev1x2415xc 2930 mev1x1212xc 3000 mev1x4805sc 580 mev1x1215xc 4800 mev1x4809sc 1320 mev1x1505xc 660 mev1x4812sc 2075 mev1x1509xc 1720 mev1x4815sc 3235
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 6 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com application notes (continued) output ripple reduction by using the values of inductance and capacitance stated, the output ripple at the rated load is lowered to 5mv p-p max. component selection capacitor: it is required that the esr (equivalent series resistance) should be as low as possible, ceramic types are recommend ed. the voltage rating should be at least twice (except for 15v output), the rated output voltage of the dc/dc converter. inductor: the rated current of the inductor should not be less than that of the output of the dc/dc converter. at the rated cur rent, the dc resistance of the inductor should be such that the voltage drop across the inductor is <2% of the rated voltage of the dc/dc converter. the srf (self reso nant frequency) should be >20mhz. dc dc l c load power source inductor capacitor l, h smd through hole c, f mev1x0505xc 10 82103c 11r103c 4.7 mev1x0509xc 22 82223c 11r223c 2.2 mev1x0512xc 47 82473c 11r473c 1 mev1x0515xc 47 82473c 11r473c 1 mev1x1205xc 10 82103c 11r103c 4.7 mev1x1209xc 22 82223c 11r223c 2.2 mev1x1212xc 47 82473c 11r473c 1 mev1x1215xc 47 82473c 11r473c 1 mev1x1505xc 10 82103c 11r103c 4.7 mev1x1509xc 22 82223c 11r223c 2.2 mev1x1512xc 47 82473c 11r473c 1 mev1x1515xc 47 82473c 11r473c 1 mev1x2405xc 10 82103c 11r103c 4.7 mev1x2409xc 22 82223c 11r223c 2.2 mev1x2412xc 47 82473c 11r473c 1 mev1x2415xc 47 82473c 11r473c 1 mev1x4805sc 10 82103c 11r103c 4.7 mev1x4809sc 22 82223c 11r223c 2.2 mev1x4812sc 47 82473c 11r473c 1 mev1x4815sc 47 82473c 11r473c 1
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 7 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com efficiency vs load mev1x05xxsc mev1x12xxsc mev1x15xxsc mev1x24xxsc mev1x48xxsc 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 8 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com efficiency vs load mev1x05xxdc mev1x12xxdc mev1x15xxdc mev1x24xxdc 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 9 of 10 all enquiries: www.murata-ps.com/support www.murata-ps.com package specifications mechanical dimensions 0.394 (10.00) max. 0.276 (7.0) max. 0.022 (0.55) 0.018 (0.45) 0.6 (15.24) 0.092 (2.33) 0.076 (1.93) 0.3 (7.62) 0.118 (0.30) 0.0079 (0.20) 0.043 (1.09) 0.181 (4.60) 0.142 (3.60) 1 7 14 10 8 9* 12 5 7 0.774 (19.65) max. 0.776 (19.70) max. 0.242 (6.15) max. 0.4 (10.15) max. 0.181 (4.60) 0.142 (3.60) 0.0118 (0.30) 0.0079 (0.20) 0.6 (15.24) 0.049 (1.25) 0.099 (2.52) 0.061 (1.54) 0.0016 (0.40) min. 0.1 (2.54) 6* 0.50 (0.020) ? mev1s0505dc xyyww mev1s0505sc xyyww * pin not fitted on single output variants. ? 48v input variants 0.301 (7.65) all dimensions in inches 0.01 (mm 0.25mm). all pins on a 0.1 (2.54) pitch and within 0.01 (0.25) of true position. weight: 2.6g (dip) 2.8g (sip - 48v variants) 2.5g (all other sip) dip package sip package pin connections single output variants 14 pin dip 7 pin sip pin function pin function 1-v in 1+v in 7nc 2-v in 8+v out 5-v out 10 -v out 7+v out 14 +v in dual output variants 14 pin dip 7 pin sip pin function pin function 1-v in 1+v in 7nc 2-v in 8+v out 5-v out 9ov 6ov 10 -v out 7+v out 14 +v in
mev1 series 3kvdc isolated 1w single & dual output dc/dc converters kdc_mev1.f02 page 10 of 10 all enquiries: 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 cha nge without notice. ? 2011 murata power solutions, inc. murata power solutions, inc. 11 cabot boulevard, mans? eld, ma 02048-1151 u.s.a. iso 9001 and 14001 registered www.murata-ps.com/locations package specifications (continued) recommended footprint details * hole not required for single output variants. tube outline dimensions

unless otherwise stated all dimensions in inches (mm) 0.5mm. tube length (14 pin dip) : 20.47 (520mm 2mm). tube length (7 pin sip) : 20.47 (520mm 2mm). 14 pin dip tube 7 pin sip tube 14 pin dip package 7 pin sip package tube quantity : 25

0.1 (2.54) 0.045 (1.15) 0.040 (1.00) 6 holes 0.1 (2.54) ? 0.00394 (0.1) 0.1 (2.54) 0.1 (2.54) ? 4 holes 0.00394 (0.1) 0.045 (1.15) 0.040 (1.00) * *

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