mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 1 of 8 www.murata-ps.com www.murata-ps.com/support for full details go to www.murata-ps.com/rohs $ selection guide order code nominal input voltage output voltage output current input current at rated load load regulation (typ) load regulation (max) ripple & noise (typ) 1 ripple & noise (max) 1 ef?ciency (min.) ef?ciency (typ.) isolation capacitance mttf 2 package style v v ma ma % mvp-p % % pf khrs MEA1D0505SC 5 5 100 233 4.8 5.4 12 25 82 85 53 3663 sip mea1d0509sc 5 9 56 228 3.7 4.5 8 20 84 86.5 51 3291 mea1d0512sc 5 12 42 228 4 5 6 20 84 87 45 2860 mea1d0515sc 5 15 33 225 3.8 4.5 6 20 84 87 46 2374 mea1d1205sc 12 5 100 98 3.5 4 9 20 81 85 44 3352 mea1d1209sc 12 9 56 95 2.5 3 7 20 83 86.5 61 3083 mea1d1212sc 12 12 42 93 2.6 3.5 6 20 85 89 88 2701 mea1d1215sc 12 15 33 94 2.2 3 5 20 84 88 78 2264 mea1d1505sc 15 5 100 78 3 3.5 8 20 80 84 40 mea1d1509sc 15 9 56 76 2.1 2.5 7 20 82 87 65 mea1d1512sc 15 12 42 76 2 2.5 5 20 83 87.5 75 mea1d1515sc 15 15 33 75 2 2.5 5 20 85 89.5 104 mea1d2405sc 24 5 100 49 2.8 3.5 9 20 81 84.5 47 mea1d2409sc 24 9 56 47 1.8 2.5 7 20 84 87.5 80 mea1d2412sc 24 12 42 47 1.6 2.5 4 20 84 87 85 mea1d2415sc 24 15 33 47 1.5 2.5 3 20 85 88.5 106 mea1d4805sc 48 5 100 26 2.6 4 14 25 77 80 44 mea1d4809sc 48 9 56 25 1.6 3 8 20 79 82 72 mea1d4812sc 48 12 42 25 1.6 3 7 20 78 83 91 mea1d4815sc 48 15 33 25 1.3 2.5 6 20 80 83.5 109 mea1d0505dc 5 5 100 232 5 6.2 12 25 82 85 52 dip mea1d0509dc 5 9 56 227 3.9 5 9 20 84 86.7 49 mea1d0512dc 5 12 42 226 4.2 5.3 7 20 84 87 47 mea1d0515dc 5 15 33 224 4.1 5.3 6 20 84 87.5 46 mea1d1205dc 12 5 100 97 3.6 4.5 9 20 81 84.5 43 mea1d1209dc 12 9 56 95 2.6 3.5 7 20 83 86.5 64 mea1d1212dc 12 12 42 93 2.7 3.5 6 20 85 89 89 mea1d1215dc 12 15 33 94 2.3 3 6 20 84 88 76 mea1d1505dc 15 5 100 78 3.1 4 9 20 80 84 42 mea1d1509dc 15 9 56 76 2.2 3 6 20 82 87 50 mea1d1512dc 15 12 42 76 2 2.7 6 20 83 87.5 77 mea1d1515dc 15 15 33 75 2 2.7 6 20 85 89.5 106 mea1d2405dc 24 5 100 49 2.8 4 10 20 81 84.5 47 mea1d2409dc 24 9 56 48 2 3.8 8 20 84 87 77 mea1d2412dc 24 12 42 47 1.6 2.5 6 20 84 87 83 mea1d2415dc 24 15 33 47 1.5 2.3 6 20 85 88 100 1. see ripple & noise characterisation method. 2. 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. features ? ul 60950 recognized ? rohs compliant ? typical ef?ciency to 89.5% ? 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 ? power sharing on output ? 5v,12v, 15v, 24v, & 48v input ? 5v, 9v, 12v, & 15v output ? fully encapsulated with toroidal magnetics ? no external components required ? no electrolytic or tantalum capacitors product overview the mea series is the new high performance version of our 1w nma series. the mea series is more ef?cient and offers improved regulation performance 5% for applications where a wide output voltage variation can not be tolerated. they are ideally suited for providing dual rail supplies with the added bene?t of galvanic isolation to reduce switching noise. all of the rated power may be drawn from a single output providing the total load does not exceed 1 watt.
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 2 of 8 www.murata-ps.com/support 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 4 12 ma p-p 12v input types 4 12 15v input types 3 10 24v input types 3 10 48v input types 22 35 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 second 1000 vdc resistance viso= 1000vdc 10 g general characteristics parameter conditions min. typ. max. units switching frequency mea1d05xxxc, mea1d1212xc, mea1d1515xc 65 khz mea1d1205xc, mea1d1209xc, mea1d1215xc, mea1d1505xc, mea1d1509xc, mea1d1512xc, mea1d24xxxc 85 mea1d48xxxc 60 temperature characteristics parameter conditions min. typ. max. units speci?cation all output types -40 85 c storage -50 125 case temperature above ambient 20 cooling free air convection absolute maximum ratings lead temperature 1mm from case for 10 seconds 260c input voltage vin, 5vin types 7v input voltage vin, 12vin types 15v input voltage vin, 15vin types 18v input voltage vin, 24vin types 28v input voltage vin, 48vin types 54v
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 3 of 8 www.murata-ps.com/support temperature derating graph tolerance envelope 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. output load current (%) e g a t l o v t u p t u o v nom 5% 0% -4% 2% t ypical load line 100 75 50 25 10 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 isola tion. murata power solutions mea1 series of dc/dc converters are all 100% production tested at their stated isolation voltage. this i s 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 mea1 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 mea1 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 mea1 series has been recognized by underwriters laboratory (ul) to ul 60950 for functional insulation in a maximum ambient temperature of 85c and/or case temperature limit of 130c (case temperature measured on the face opposite the pins). file number e151252 applies. the mea1 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. mea1d05xxxc: 1a mea1d12xxxc: 0.375a mea1d15xxxc: 0.375a mea1d24xxxc: 0.2a mea1d48xxsc: 0.1a all fuses should be ul approved and rated to at least the maximum allowable dc input voltage. 150 100 50 0 -40 0 0.5 1.0 1.5 safe operating area 85c ambient temperature (c) output power (w)
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 4 of 8 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 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 mea1d0505xc 939 mea1d1512xc 5630 mea1d0509xc 2872 mea1d1515xc 8585 mea1d0512xc 5325 mea1d2405xc 472 mea1d0515xc 8895 mea1d2409xc 1473 mea1d1205xc 1150 mea1d2412xc 2643 mea1d1209xc 3716 mea1d2415xc 4348 mea1d1212xc 6912 mea1d4805xc 586 mea1d1215xc 10810 mea1d4809xc 1705 mea1d1505xc 883 mea1d4812xc 2995 mea1d1509xc 3160 mea1d4815xc 4722
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 5 of 8 www.murata-ps.com/support 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. inductor capacitor l, h smd through hole c, f mea1d0505xc 10 82103c 11r103c 4.7 mea1d0509xc 22 82223c 11r223c 2.2 mea1d0512xc 47 82473c 11r473c 1 mea1d0515xc 47 82473c 11r473c 1 mea1d1205xc 10 82103c 11r103c 4.7 mea1d1209xc 22 82223c 11r223c 2.2 mea1d1212xc 47 82473c 11r473c 1 mea1d1215xc 47 82473c 11r473c 1 mea1d1505xc 10 82103c 11r103c 4.7 mea1d1509xc 22 82223c 11r223c 2.2 mea1d1512xc 47 82473c 11r473c 1 mea1d1515xc 47 82473c 11r473c 1 mea1d2405xc 10 82103c 11r103c 4.7 mea1d2409xc 22 82223c 11r223c 2.2 mea1d2412xc 47 82473c 11r473c 1 mea1d2415xc 47 82473c 11r473c 1 mea1d4805xc 10 82103c 11r103c 4.7 mea1d4809xc 22 82223c 11r223c 2.2 mea1d4812xc 47 82473c 11r473c 1 mea1d4815xc 47 82473c 11r473c 1 rohs compliant information this series is compatible with rohs soldering systems with a peak wave solder temperature of 260c 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 dc dc l l c c load load power source +v out ov -v out
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 6 of 8 www.murata-ps.com/support efficiency vs load mea 5v input voltage mea 12v input voltage mea 15v input voltage mea 24v input voltage mea 48v input voltage 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
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 7 of 8 www.murata-ps.com/support package specifications mechanical dimensions pin connections - 14 pin dip pin function 1-v in 7nc 8ov 9+v out 11 -v out 14 +v in pin connections - 7 pin sip pin function 1+v in 2-v in 4-v out 5ov 6+v out 0.394 (10.00) max. 0.276 (7.0) max. 0.022 (0.55) 0.018 (0.45) 0.092 (2.33) 0.076 (1.93) 0.181 (4.60) 0.142 (3.60) 0.776 (19.70) max. mea1d0505dc xyyww 0.6 (15.24) 0.3 (7.62) 0.0118 (0.30) 0.0079 (0.20) 0.043 (1.09) 0.1 (2.54) 1 7 14 11 9 8 dip package sip package 0.774 (19.65) 0.242 (6.15) max. 0.4 (10.15) 0.181 (4.60) 0.141 (3.60) 0.0118 (0.30) 0.0079 (0.20) 0.5 (12.70) 0.057 (1.45) 0.039 (1.00) 0.0607 (1.5438) 0.099 (2.5162) 0.0016 (0.40) min. 0.1 (2.54) 0.022 (0.55) 0.0178 (0.45) 12 4 5 6 ? MEA1D0505SC xyyww 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. ? 48v input variants 0.301 (7.65) weight: 2.5g (dip) 2.3g (sip) 48v input: 2.8g
mea1 series 1kvdc isolated 1w dual output dc/dc converters kdc_mea1.c06 page 8 of 8 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. ? 2013 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 (continued) recommended footprint details 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 0.1 (2.54) 0.045 (1.15) 0.039 (1.00) ? 0.1 (2.54) 0.045 (1.15) 0.039 (1.00) ? 0.1 (2.54) 0.1 (2.54) 5 holes 0.00394 (0.1) 5 holes 0.00394 (0.1 unless otherwise stated all dimensions in inches (mm) 0.5mm. tube length : 20.47 (520mm 2mm). tube quantity : 25
unless otherwise stated all dimensions in inches (mm) 0.5mm.
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