nma 5v, 12v & 15v series isolated 1w dual output dc/dc converters kdc_nma.g02 page 1 of 6 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 ef?ciency isolation capacitance mttf 1 package style v v ma ma % pf khrs nma0505dc 5 5 100 289 69 28 3103 dip nma0509dc 5 9 55 267 75 32 2257 NMA0512DC 5 12 42 260 77 34 1579 nma0515dc 5 15 33 256 78 36 1065 nma0505sc 5 5 100 289 69 28 3103 sip nma0509sc 5 9 55 267 75 32 2257 nma0512sc 5 12 42 260 77 34 1579 nma0515sc 5 15 33 256 78 36 1065 nma1205dc 12 5 100 120 69 33 2193 dip nma1209dc 12 9 55 113 74 46 1734 nma1212dc 12 12 42 111 75 55 1303 nma1215dc 12 15 33 110 76 54 932 nma1205sc 12 5 100 120 69 33 2193 sip nma1209sc 12 9 55 113 74 46 1734 nma1212sc 12 12 42 111 75 55 1303 nma1215sc 12 15 33 110 76 54 932 nma1505dc 15 5 100 91 71 39 1941 dip nma1512dc 15 12 42 87 78 68 790 nma1515dc 15 15 33 84 80 84 523 nma1505sc 15 5 100 91 71 39 1941 sip nma1512sc 15 12 42 87 78 68 790 nma1515sc 15 15 33 84 80 84 523 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 re?ected ripple current 20 40 ma p-p absolute maximum ratings lead temperature 1.5mm from case for 10 seconds 300c internal power dissipation 450mw input voltage v in , nma05 types 7v input voltage v in, nma12 types 15v input voltage v in, nma15 types 18v 1. calculated using mil-hdbk-217fn2 calculation model 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. description the nma series of industrial temperature range dc/dc converters are the standard building blocks for on-board distributed power systems. they are ideally suited for providing dual rail supplies on primarily digital boards with the added bene?t of galvanic isolation to reduce switching noise. all of the rated power may be drawn from a single pin provided the total load does not exceed 1 watt. features ? rohs compliant ? ef?ciency up to 80% ? power density up to 0.85w/cm 3 ? wide temperature performance at full 1 watt load, C40c to 85c ? dual output from a single input rail ? ul 94v-0 package material ? no heatsink required ? footprint from 1.17cm 2 ? industry standard pinout ? power sharing on output ? 1kvdc isolation ? 5v, 12v, & 15v input ? 5v, 9v, 12v and 15v output ? internal smd construction ? fully encapsulated with toroidal magnetics ? no external components required ? mttf up to 3.1 million hours ? no electrolytic or tantalum capacitors
nma 5v, 12v & 15v series isolated 1w dual output dc/dc converters kdc_nma.g02 page 2 of 6 www.murata-ps.com/support temperature derating graph general characteristics parameter conditions min. typ. max. units switching frequency 5v input types 110 khz 12v input types 140 15v input types 90 isolation characteristics parameter conditions min. typ. max. units isolation test voltage flash tested for 1 second 1000 vdc resistance viso= 1000vdc 10 g temperature characteristics parameter conditions min. typ. max. units speci?cation all output types -40 85 c storage -50 130 case temperature above ambient 0505, 1205 33 0509, 0512, 0515, 1209, 1212, 1215 28 1505 26 1512, 1515 17 cooling free air convection 150 100 50 0 -40 0 0.5 1.0 1.5 safe operating area 85c ambient temperature (c) output power (w) 120c tolerance envelope +10% output load current (%) output voltage +5% -7.5% -2.5% +2.5% typical load line v nom 100 75 50 25 10 output characteristics parameter conditions min. typ. max. units rated power 1 t a =-40 c to 120 c 1w voltage set point accuracy see tolerance envelope line regulation high v in to low v in 1.0 1.2 %/% load regulation 10% load to rated load 5v & 12v input 5v output types 10 12.5 % 9v output types 9 10 12v output types 6.5 7.5 15v output types 6 7.0 15v input 5v output types 5.5 10 12v output types 2.6 3.0 15v output types 2.3 3.0 ripple and noise 2 bw=dc to 20mhz, 5v output types 10 20 mv p-p bw=dc to 20mhz, 9v output types 7 15 bw=dc to 20mhz, 12v output types 7.5 15 bw=dc to 20mhz, 15v output types 8 15 1. see derating graph. 2. see ripple & noise characterisation method. 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.
nma 5v, 12v & 15v series isolated 1w dual output dc/dc converters kdc_nma.g02 page 3 of 6 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 that isola tion. murata power solutions nma series of dc/dc converters are all 100% production tested at their stated isolation voltage. this is 1kvdc for 1 second. a question commonly asked is, what is the continuous voltage that can be applied across the part in normal operation? for a part holding no speci?c agency approvals, such as the nma series, both input and output should normally be maintained wit hin 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 a n element of a safety isolation system. the part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; bu t 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 circui ts 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 nma series has toroidal isolation transformers, with no additional insulation between primary 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. 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. typical start-up wave form start-up time start-up time s s nma0505xc 2018 nma1212xc 9765 nma0509xc 6610 nma1215xc 15980 nma0512xc 14520 nma1505xc 1060 nma0515xc 20200 nma1512xc 1627 nma1205xc 1061 nma1515xc 6275 nma1209xc 3935 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
nma 5v, 12v & 15v series isolated 1w dual output dc/dc converters kdc_nma.g02 page 4 of 6 www.murata-ps.com/support application notes (continued) 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 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. oscilloscope y input supply c1 c2 c3 r1 t1 r2 input output dc/dc converter r load + + - - dc dc l c load power source inductor capacitor l, h smd through hole c, f nma0505xc 22 82223c 11r223c 2.2uf nma0509xc 100 82104c 11r104c 0.47uf nma0512xc 150 82154c 11r154c 0.33uf nma0515xc 220 82224c 11r224c 1uf nma1205xc 22 82223c 11r223c 2.2uf nma1209xc 47 82473c 11r473c 1uf nma1212xc 150 82154c 11r154c 0.33uf nma1215xc 220 82224c 11r224c 1uf nma1505xc 22 82223c 11r223c 2.2uf nma1512xc 150 82154c 11r154c 0.33uf nma1515xc 220 82224c 11r224c 2.2uf
nma 5v, 12v & 15v series isolated 1w dual output dc/dc converters kdc_nma.g02 page 5 of 6 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 0.77 (19.50) 0.385 (9.80) 0.268 (6.80) 0.181 (4.60) 0.142 (3.60) 0.022 (0.55) 0.0178 (0.45) 0.6 (15.24) 0.084 (2.13) 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 xyywwi nma0505dc 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: 2.4g (dip) 2.1g (sip) dip package sip package 0.77 (19.50) 0.236 (6.00) 0.394 (10.00) 0.181 (4.60) 0.141 (3.60) 0.0118 (0.30) 0.0079 (0.20) 0.5 (12.70) 0.05 (1.25) 0.0607 (1.5438) 0.099 (2.5162) 0.022 (0.55) 0.0178 (0.45) 0.1 (2.54) 0.022 (0.55) 0.0178 (0.45) nma0515sc xyyww 1 2 4 5 6
nma 5v, 12v & 15v series isolated 1w dual output dc/dc converters kdc_nma.g02 page 6 of 6 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. ? 2012 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 tube quantity : 25
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
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