nte series isolated 1w single output sm dc/dc converters kdc_nte.k04 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 1 nominal input voltage output voltage output current input current at rated load ef?ciency isolation capacitance mttf 2 v v ma ma % pf khrs nte0303mc 3.3 3.3 303 410 73 30 5348 nte0305mc 3.3 5 200 390 78 35 3847 nte0309mc 3.3 9 111 400 77 31 3134 nte0312mc 3.3 12 83 400 77 28 3473 nte0315mc 3.3 15 66 400 77 29 2473 nte0503mc 5 3.3 303 270 74 40 5515 nte0505mc 5 5 200 294 68 35 6857 nte0505mec 5 5 200 260 77 40 3933 nte0506mc 5 6 167 278 72 39 6677 nte0509mc 5 9 111 267 75 43 5501 nte0512mc 5 12 83 260 77 42 3957 nte0515mc 5 15 66 256 78 44 2747 nte1205mc 12 5 200 124 67 47 4683 nte1209mc 12 9 111 114 73 77 4008 nte1212mc 12 12 83 113 74 88 3121 nte1215mc 12 15 66 111 75 95 2316 input characteristics parameter conditions min. typ. max. units voltage range continuous operation, 3.3v input types 2.97 3.3 3.63 v continuous operation, 5v input types 4.5 5.0 5.5 continuous operation, 12v input types 10.8 12.0 13.2 re?ected ripple current 30 47 ma p-p isolation characteristics parameter conditions min. typ. max. units isolation voltage flash tested for 1 second 1000 vdc resistance viso= 1000vdc 10 g general characteristics parameter conditions min. typ. max. units switching frequency all output types 110 khz absolute maximum ratings internal power dissipation 600mw input voltage v in , nte03 types 5.5v input voltage v in , nte05 types 7v input voltage v in , nte12 types 15v 1. if components are required in tape and reel format suf?x order code with -r, e.g. NTE0505MC-R. 2. calculated using mil-hdbk-217 fn2 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. product overview the nte series of miniature surface mounted dc/dc converters employ leadframe technol- ogy and transfer moulding techniques to bring all of the bene?ts of ic style packaging to hybrid circuitry. the co-planarity of the pin positions is based upon iec 191-6:1990. the devices are suitable for all applications where high volume production is envisaged. features ? rohs compliant ? lead frame technology ? single isolated output ? 1kvdc isolation ? ef?ciency up to 78% ? power density 1.8w/cm 3 ? wide temperature performance at full 1 watt load, C40c to 85c ? ul 94v-0 package material ? footprint over pins 1.37cm 2 ? 3.3v, 5v & 12v input ? 3.3v, 5v, 9v, 12v & 15v output ? no heatsink required ? internal smd construction ? toroidal magnetics ? mttf up to 6.8 million hours ? custom solutions available ? multi-layer ceramic capacitors
nte series isolated 1w single output sm dc/dc converters kdc_nte.k04 page 2 of 6 www.murata-ps.com/support output characteristics parameter conditions min. typ. max. units rated power t a =-40c to 85c 1.0 w voltage set point accuracy see tolerance envelope line regulation high v in to low v in 1.0 1.2 %/% load regulation 1 10% load to rated load, 03xxmc, 0503mc, 0505mec 10 14 % 10% load to rated load, 0505mc & 1205mc 12.8 15 10% load to rated load, 0506mc 9.2 10 10% load to rated load, 0509mc & 1209mc 8.3 9.0 10% load to rated load, 0512mc & 1212mc 6.8 7.5 10% load to rated load, 0515mc & 1215mc 6.3 7.0 ripple and noise bw=dc to 20mhz, 03xxmc, 0503mc, 0505mec 40 60 mv p-p bw=dc to 20mhz, 0505mc & 1205mc 62 85 bw=dc to 20mhz, 0506mc 103 170 bw=dc to 20mhz, 0509mc & 1209mc 49 75 bw=dc to 20mhz, 0512mc & 1212mc 39 65 bw=dc to 20mhz, 0515mc & 1215mc 38 76 temperature characteristics parameter conditions min. typ. max. units speci?cation all output types -40 85 c storage -55 125 case temperature rise above ambient 0305mc, 0309mc, 0315mc 25 0303mc, 0312mc, 0503mc, 0505mec, 0509mc, 0512mc, 0515mc 30 0505mc, 1205mc 43 1209mc, 1212mc, 1215mc 40 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 isola tion. murata power solutions nte 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 nte 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 nte 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. 1. 12v input types have typically 3% less load regulation change. temperature derating graph 150 100 50 0 -40 0 0.5 1.0 1.5 safe operating area 85c ambient temperature (c) output power (w)
nte series isolated 1w single output sm dc/dc converters kdc_nte.k04 page 3 of 6 www.murata-ps.com/support tolerance envelopes 3.3v output types. all other types. 100 75 50 25 10 -7% +9% output load current (%) output voltage +1% -15% -7% +1% typical load line v nom +10% output load current (%) output voltage +5% -7.5% -2.5% +2.5% typical load line v nom 100 75 50 25 10 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 nte0303mc 437 nte0506mc 7200 nte0305mc 1359 nte0509mc 3146 nte0309mc 3435 nte0512mc 4960 nte0312mc 6590 nte0515mc 7740 nte0315mc 7625 nte1205mc 895 nte0503mc 533 nte1209mc 2150 nte0505mc 1368 nte1212mc 3640 nte0505mec 721 nte1215mc 7180 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 compliance, msl and psl information this series is compatible with rohs soldering systems and is also backward compatible with sn/pb soldering systems. the nte series has a process, moisture, and re?ow sensitivity classi?cation of msl1 psl r7f as de?ned in j-std-020 and j-std-075. this translates to: msl1 = unlimited ?oor life, psl r7f = peak re?ow temperature 245c with a limitation on the time above liquidus (217c) which for this series is 60sec max. the pin termination ?nish on this product series is gold with a plating thickness of 0.05 microns minimum. for further information please visit www.murata-ps.com/rohs
nte series isolated 1w single output sm dc/dc converters kdc_nte.k04 page 4 of 6 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. dc dc l c load power source inductor capacitor l, h smd through hole c, f nte0303mc 10 82103c 11r103c 4.7 nte0305mc 47 82473c 11r103c 4.7 nte0309mc 22 82223c 11r223c 2.2 nte0312mc 10 82103c 11r103c 1 nte0315mc 47 82473c 11r473c 1 nte0503mc 10 82103c 11r103c 4.7 nte0505mc 47 82473c 11r473c 4.7 nte0505mec 47 82473c 11r473c 4.7 nte0506mc 10 82103c 11r103c 4.7 nte0509mc 22 82223c 11r223c 2.2 nte0512mc 47 82473c 11r473c 1 nte0515mc 47 82473c 11r473c 1 nte1205mc 47 82473c 11r473c 4.7 nte1209mc 22 82223c 11r223c 2.2 nte1212mc 47 82473c 11r473c 1 nte1215mc 47 82473c 11r473c 1
nte series isolated 1w single output sm dc/dc converters kdc_nte.k04 page 5 of 6 www.murata-ps.com/support package specifications mechanical dimensions pin connections pin function 1-v in 3+v in 5na 7-v out 8 +v out 10 na 12 na 14 na na - not available for electrical connection. recommended footprint details tube outline dimensions all dimensions in mm 0.25mm (inches 0.01). all pins on a 2.54 (0.1) pitch and within 0.25 (0.01) of true position. weight: 1 .21g 0.25 (0.010) 0.10 (0.004) 2.79 (0.110) max 6.35 (0.250) 5.85 (0.230) 6.60 (0.260) 5.95 (0.234) 1.875 max 0.1(0.004) s 7.70 (0.303) 11.20 (0.441) 10.40 (0.409) 2.54 (0.100) 0.65 (0.026) 0.55 (0.022) 1 2.10 (0.083) 10 pins 0.2 (0.008) s 12.70 (0.500) 7.62 (0.300) 14 plane seating detail a s detail a p reference plane 0.30 (0.012) 0.20 (0.008) 0.50 (0.020) 1.50 (0.059) 1.20 (0.047) 5.00 7 xyyww nte0505mc 10 12 8 5 3 unless otherwise stated all dimensions in mm0.5mm (inches 0.02). tube length : 4752.0 (18.700.07). tube quantity : 35 9.40 (0.370) 2.10 (0.083) 6.70 (0.264) 14.35 (0.565) 0.600.15 (0.0240.006) all pins on a 2.54mm pitch. unless otherwise stated all dimensions in mm (inches) 0.5mm.
nte series isolated 1w single output sm dc/dc converters kdc_nte.k04 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. ? 2014 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/ tape & reel specifications reel outline dimensions tape outline dimensions reel packaging details 13.20 (0.52) 0.60 (0.02) max 16.00 (0.63) 6.60 (0.26) 11.60 (0.46) direction of unreeling 1.75(0.07) 11.50 (0.45) 24.000.30 (0.940.04) 4.00 (0.16) 2.00 (0.08) 1.50 (?0.06) -0.00 (-0.00) +0.004 (+0.10) 330 (12.99) max 100 (3.94) min 13.000.25 (0.510.009) 30.40 (1.20) max (at hub section) ? ? 24.40 (0.96) 2.00(+0.08) -0.00 (0.00) trailer section 160 (6.30) min goods enclosure section leader section 400 (15.75) min carrier tape start 100 (3.94) min xyyww nte0505mc xyyww xyyww nte0505mc nte0505mc product orientation pin 1, located nearest to carrier drive sprocket. reel quantity : 500
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