kdc_nmxsoc.c01 page 1 of 3 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com nmxso series isolated 5w regulated single & dual output dc/dc converters for full details go to www.murata-ps.com/rohs $ selection guide order code nominal input voltage output voltage output current ef? ciency typ. isolation capacitance output power mttf 1 v v a % pf w khrs nmxd0505soc 5 5 0.5 65 30.5 5.0 565 nmxd0515soc 5 15 0.2 65 36.6 6.0 83 nmxd1205soc 12 5 0.5 65 40.5 5.0 162 nmxd1215soc 12 15 0.2 65 65.7 6.0 61 nmxs0505soc 5 5 1.0 65 37.4 5.0 811 nmxs0515soc 5 15 0.4 65 33.3 6.0 157 nmxs1205soc 12 5 1.0 65 46.6 5.0 177 nmxs1215soc 12 15 0.4 65 60.0 6.0 93 nmxd0512soc obsolete, recommended alternative: click here to view data sheet ndxd0512c NMXD1212SOC ndxd1212c nmxs0512soc ndxs0512c nmxs1212soc ndxs1212c when operated with additional external load capacitance the rise time of the input voltage will determine the maximum external capacitance value for guaranteed start up. the slower the rise time of the input voltage the greater the maximum value of the additional external capacitance for reliable start up. input characteristics parameter conditions min. typ. max. units 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 re? ected ripple voltage bw=dc to 20mhz, all output types 150 mv output characteristics parameter conditions min. typ. max. units rated power t a = 0c to 70c 5.0 w voltage output accuracy 3 % line regulation high v in to low v in 0.5 % load regulation 10% load to rated load 0.5 % ripple and noise bw=dc to 20mhz, all output types 150 mv p-p absolute maximum ratings short-circuit protection 2 15 seconds lead temperature 1.5mm from case for 10 seconds 300c input voltage v in , nmxso05 types 7v input voltage v in , nmxso12 types 15v 1. calculated using mil-hdbk-217f with nominal input voltage at full load. 2. supply voltage must be disconnected at the end of the short circuit duration. all speci? cations typical at t a =25c, nominal input voltage and rated output current unless otherwise speci? ed. features rohs compliant single or dual output 1kvdc isolation pin compatible with nmxu series power density 0.53w/cm 3 ul 94v-0 package material footprint 9.52cm 2 industry standard pinout 5v & 12v input 5v & 15v output short circuit protected internal smd construction fully encapsulated with toroidal magnetics output regulation 0.5% pcb mounting description the nmxso series of dc/dc converters is particularly suited to isolating and/or converting dc power rails. the galvanic isolation allows the device to be con? gured to provide an isolated negative rail in systems where only positive rails exist. the devices are particularly suited for use in distributed power systems where there is low variation in the bus voltage levels.
kdc_nmxsoc.c01 page 2 of 3 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com nmxso series isolated 5w regulated single & dual output dc/dc converters isolation characteristics parameter conditions min. typ. max. units isolation test voltage flash tested for 1 second 1000 vdc resistance viso= 1000vdc 1 g general characteristics parameter conditions min. typ. max. units switching frequency all input types 70 khz temperature characteristics parameter conditions min. typ. max. units speci? cation all output types 0 70 c storage -55 100 case temperature above ambient all output types 30 cooling free air convection 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 nmxso 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 nmxso series, both input and output should normally be maintained 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 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 nmxso series has toroidal isolation transformers, with no additional insulation between prima ry 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 w ire insulation. any material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implyi ng 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 voltag e be 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. rohs compliance information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300oc for 10 seconds. the pin termination ? nish on this product series is matte tin over nickel preplate. the series is backward compatible with sn/pb soldering systems. for further information, please visit www.murata-ps.com/rohs
kdc_nmxsoc.c01 page 3 of 3 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com nmxso series isolated 5w regulated single & dual output dc/dc converters 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. ? 2009 murata power solutions, inc. usa: mans? eld (ma), tel: (508) 339 3000, email: sales@murata-ps.com canada: toronto, tel: (866) 740 1232, email: toronto@murata-ps.com uk: milton keynes, tel: +44 (0)1908 615232, email: mk@murata-ps.com france: montigny le bretonneux, tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com germany: mnchen, tel: +49 (0)89-544334-0, email: ped.munich@murata-ps.com japan: tokyo, tel: 3-3779-1031, email: japan@murata-ps.com kyoto, tel: 81-75-955-7269, email: japan@murata-ps.com china: shanghai, tel: +86 215 027 3678, email: shanghai@murata-ps.com guangzhou, tel: +86 208 221 8066, email: guangzhou@murata-ps.com singapore: parkway centre, tel: +65 6348 9096, email: singapore@murata-ps.com murata power solutions, inc. 11 cabot boulevard, mans? eld, ma 02048-1151 u.s.a. tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com iso 9001 & iso 14001 registered package specifications mechanical dimensions pin connections single output variants dual output variants pin function pin function 1-v in 1-v in 2+v in 2+v in 3+v out 3+v out 4 not ? tted 4 common 5-v out 5-v out recommended footprint details tube outline dimensions * pin not ? tted on single output variants. 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: 20g 0.4 (10.16) 0.4 (10.16) 0.397 (10.09) 0.2 (5.08) 0.80 (20.32) 0.157 (4.0) 0.394 (10.00) 0.925 (23.50) 1.594 (40.50) xyyww nmxd0512soc 0.0350.00197 (0.900.05) 0.063 (1.59) 12 3 4 5 * 0.00980.002 (0.250.05)
? ) 0 - & 4
* hole not required for single output variants all dimensions in inches 0.01 (mm 0.25mm).
not to scale. all dimensions in inches 0.01 (mm 0.25mm).
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