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nms series 6kvdc isolated 2w dual output dc/dc converters kdc_nms.g03 page 1 of 3 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 ef? ciency isolation capacitance mttf 1 v v ma % pf khrs nms0505c 5 5 200 74 1.8 747 nms0509c 5 9 111 76 1.9 327 nms0512c 5 12 83 77 2.0 169 nms0515c 5 15 67 78 2.1 93 nms1205c 12 5 200 78 1.9 365 nms1209c 12 9 111 81 2.0 224 NMS1212C 12 12 83 82 2.1 136 nms1215c 12 15 67 82 2.2 82 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 5.5 v continuous operation, 12v input types 10.8 12 13.2 output characteristics parameter conditions min. typ. max. units rated power 2 t a =0 c to 70 c 2w voltage set point accuracy see tolerance envelope -7.5 10 % line regulation high v in to low v in 1.0 1.2 %/% load regulation 10% load to rated load, 5v output types 10 15 % 10% load to rated load, 9v output types 6 15 10% load to rated load, 12v output types 6 15 10% load to rated load, 15v output types 6 15 ripple and noise bw=dc to 20mhz, all output types 200 mv p-p isolation characteristics parameter conditions min. typ. max. units isolation test voltage flash tested for 1 second 6000 vdc resistance viso= 500vdc 10 g general characteristics parameter conditions min. typ. max. units switching frequency all input types 35 khz absolute maximum ratings short-circuit protection 3 1 second lead temperature 1.5mm from case for 10 seconds 300c internal power dissipation 900mw input voltage v in , nms05 types 7v input voltage v in, nms12 types 15v 1. calculated using mil-hdbk-217f with nominal input voltage at full load. 2. see derating graph. 3. 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 ? ul1950 recognized ? ef? ciency to 82% ? power density up to 0.44w/cm 3 ? dual outputs ? low pro? le package ? ul 94v-0 package material ? no heatsink required ? footprint 4.75cm 2 ? 6kvdc isolation ? 5v & 12v input ? 5v, 9v, 12v and 15v output ? internal smd construction ? fully encapsulated with toroidal magnetics ? mttf up to 747 khrs ? pcb mounting description the nms series of dc/dc converters are ul1950 recognized which makes them ideal for all telecom and safety applications where approved isolation is required. the low pro? le package allows mounting in rack systems without risk of touching other boards. the output con? guration allows all of the rated power to be drawn from a single pin provided the total load does not exceed 2 watts. the devices feature low noise and low isolation capacitance suiltable for applications in high noise environments, e.g. heavy electrical machine interface.
nms series 6kvdc isolated 2w dual output dc/dc converters kdc_nms.g03 page 2 of 3 www.murata-ps.com/support temperature derating graph temperature characteristics parameter conditions min. typ. max. units speci?cation all output types 0 70 c storage -50 130 case temperature above ambient all output types 32 cooling free air convection 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 80 60 40 20 0 0 1.0 2.0 3.0 safe operating area 70c 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 t hat isolation. murata power solutions nms series of dc/dc converters are all 100% production tested at their stated isolation voltage. this is 6kvdc for 1 second. a question commonly asked is, what is the continuous voltage that can be applied across the part in normal operation? the nms series has been recognized by underwiters laboratory to a working voltage of 300vrms for supplementary insulation syste m and 150vrms for reinforced insulation systems. 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 the nms series has been recognised by underwriters laboratory (ul) to ul 60950 for supplementary insulation up to 300vrms and reinforced insulation up to 150vrms working voltage. file number e179522 applies.
nms series 6kvdc isolated 2w dual output dc/dc converters kdc_nms.g03 page 3 of 3 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 mechanical dimensions pin connections pin function 1+v in 2-v in 8-v out 9nc 10 ov 11 nc 12 +v out 13 +v out 14 nc 15 ov 16 nc 17 -v out 23 nc 24 nc recommended footprint details tube outline dimensions 1.28 (32.60) max 0.58 (14.72) 0.3700.012 (9.400.30) 0.1 (2.54) 0.085 (2.16) 0.600 (15.24) 0.6673 (16.95) max 0.012 (0.30) 0.008 (0.20) 0.0236 (0.60) max 0.154 (3.90) 0.022 (0.55) 0.018 (0.45) 1 2 24 23 8 9 10 11 12 17 16 15 14 13 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: 7.5g unless otherwise stated all dimensions in inches 0.01 (mm) 0.5mm. tube length : 20.470.079 (520mm 2mm). tube quantity : 15

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rohs compliance information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300oc for 10 seconds. the pin term ination ?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 unless otherwise stated all dimensions in inches 0.01 (mm) 0.5mm.

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