mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 1 of 7 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 load regulation (typ.) load regulation (max) ripple & noise (typ.) 3 ripple & noise (max.) 3 input current at full load ef?ciency (min.) ef?ciency (typ.) isolation capacitance mttf 2 vvma % mvp-p ma % % pf khrs mtu1s0305mc 3.3 5 200 8.9 11.0 26 60 367 79 81 14 7660 mtu1s0505mc 5 5 200 7.3 9 35 60 241 80 83 19 5664 mtu1s0509mc 5 9 111 6.1 7.5 15 25 233 83 86 20 5488 mtu1s0512mc 5 12 83 5.6 7.5 15 25 230 84 87 21 5186 mtu1s0515mc 5 15 67 5.3 6.5 15 25 230 84 87 22 4773 mtu1s1205mc 12 5 200 5.6 8 20 40 99 80 84 22 5641 mtu1s1209mc 12 9 111 3.9 6 15 25 96 82 87 31 5467 mtu1s1212mc 12 12 83 3.5 6 10 25 95 83 88 40 5165 mtu1s1215mc 12 15 67 3.2 5 10 25 95 84 88 35 4753 mtu1d0305mc 3.3 5 100 8.0 9.5 18 35 356 80 83 17 5292 mtu1d0505mc 5 5 100 6.6 8 14 30 235 81 84 18 5053 mtu1d0509mc 5 9 56 5.6 6.5 7 20 229 83 86 21 5078 mtu1d0512mc 5 12 42 5.0 6 8 20 228 83 87 19 5545 mtu1d0515mc 5 15 33 5.1 6.5 8 20 224 84 88 22 5293 MTU1D1205MC 12 5 100 4.3 5 14 30 98 80 85 18 4335 mtu1d1209mc 12 9 56 3.1 4 7 20 95 82 87 27 4601 mtu1d1212mc 12 12 42 3.0 4 8 20 94 84 88 35 4834 mtu1d1215mc 12 15 33 2.6 3.5 8 20 94 84 88 35 4782 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 single output types 3.3v input types 10 ma p-p 5v input types 6 12v input types 5 dual output types all variants 5 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 mtu1d0305mc 70 khz 3.3v & 5v input, all output types (except mtu1d0305mc) 82 12v input, single output types 90 12v intput, dual output types 100 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 1.1 %/% 1. if components are required in tape and reel format suf?x order code with -r, e.g. mtu10505mc-r. 2. calculated using mil-hdbk-217 fn2 calculation model with nominal input voltage at full load. 3. see ripple & noise characterisation method. all speci?cations typical at t a =25c, nominal input voltage and rated output current unless otherwise speci?ed. features ? patent pending ? footprint over pins 0.69cm 2 ? single & dual isolated output ? 1kvdc isolation ? ef?ciency up to 88% (typ.) ? msl level 1 ? power density 1.71w/cm 3 ? wide temperature performance at full 1 watt load, C40c to 85c ? ul 94v-0 package material ? 3.3v, 5v & 12v input ? 5v, 9v, 12v & 15v single & dual outputs ? toroidal magnetics ? custom solutions available ? multi-layer ceramic capacitors product overview the mtu1 series is a new range of miniature surface mount, high performance 1w dc/dc converters. with a footprint reduction of over 50% from the previous generation of 1w smd dc/dc, the mtu1 series offers 1w of available output power over the full industrial temperature range of -40oc to 85oc. the mtu1 series is more ef?cient and offers improved regulation performance for applications where a wide output voltage variation can not be tolerated. the devices are suitable for all applications where high volume production is envisaged.
mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 2 of 7 www.murata-ps.com/support absolute maximum ratings input voltage v in , mtu1s03 types 5.5v input voltage v in , mtu1s05 types 7v input voltage v in , mtu1s12 types 15v temperature characteristics parameter conditions min. typ. max. units speci?cation all output types -40 85 c storage -55 125 case temperature rise above ambient 4 mtu1xxx05mc 15 mtu1xxx09mc 14 mtu1xxx12mc & mtu1xxx15mc 11 cooling free air convection 4. measured after 1 hour continuous operation at nominal v in full load at the center of each pcb. 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 mtu1 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? for a part holding no speci?c agency approvals, such as the mtu1 series, both input and output should normally be maintained wi thin 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 mtu1 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.
mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 3 of 7 www.murata-ps.com/support rohs compliance information this series is compatible with rohs soldering systems with a peak re?ow solder temperature of 245oc as per j-std-020d.1. the pin termination ?nish on this product series is matte tin over nickel preplate. the series is backward compatible with sn/pb soldering systems. the series has a moisture sensitivity level (msl) 1. samples of the product series were tested in accordance with the condition- ing described for msl level 1 in ips/j-std-020d.1. the product series passed electrical tests and visual inspection criteria. for further information, please visit: www.murata-ps.com/rohs 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) tolerance envelopes 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 and set point accuracy. output load current (%) e g a t l o v t u p t u o v nom 5.5% 0% -4% 1.5% 100 75 50 25 10 single 5v output types (except 3.3v input) output load current (%) e g a t l o v t u p t u o v nom 5% 0% -4% 1% 100 75 50 25 10 output load current (%) e g a t l o v t u p t u o 4% 9% 0% -4% 1% 100 75 50 25 10 3.3v input types all other types output load current (%) e g a t l o v t u p t u o 2% 7% 0% -4% 1% 100 75 50 25 10 dual 5v output types (except 3.3v input)
mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 4 of 7 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 ms ms mtu1s0305mc 1.7 mtu1d0305mc 3.1 mtu1s0505mc 0.9 mtu1d0505mc 1.8 mtu1s0509mc 2.7 mtu1d0509mc 5.7 mtu1s0512mc 4.3 mtu1d0512mc 10.1 mtu1s0515mc 7.5 mtu1d0515mc 19.1 mtu1s1205mc 0.9 MTU1D1205MC 1.5 mtu1s1209mc 1.9 mtu1d1209mc 4 mtu1s1212mc 3.3 mtu1d1212mc 7.5 mtu1s1215mc 4.7 mtu1d1215mc 12.5
mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 5 of 7 www.murata-ps.com/support efficiency vs load mtu1x03xxmc mtux05xxmc mtu1x12xxmc 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 102030405060708090100110 ef?ciency (%) load (%) 3.3v single output 3.3v dual output 0 10 20 30 40 50 60 70 80 90 0 102030405060708090100 load (%) ef?ciency (%) 5v 9v 12v 15v
mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 6 of 7 www.murata-ps.com/support package specifications mechanical dimensions - patent pending pin connections single output types pin function 1+v in 3-v in 4+v out 5ov 6nc dual output types pin function 1+v in 3-v in 4+v out 5ov 6-v out 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: 0.7 5g, typ. unless otherwise stated all dimensions in mm0.25mm (inches). tube length: 520mm 2.00 tube quantity: 60 6 5 3 s 1.800.2 (0.071) x5 pins 0.250.1 (0.01) c 0.10 (0.004) s 8.400.45 (0.3310.018) 0.3 (0.012) (typ.) 2.54 (0.100) 8.20 (0.323) 5.08 (0.200) 0.600.1 (0.024) 1.56 (0.061) 4 1 8.50 +0.00 -0.20 ( 0.335 +0.000 -0.008 ) 1.800.2 (0.071) seating plane 1 2.25 (0.482) m a x 1 2.25 (0.482) m a x 0.750. 1 5 (0.0300.006) 6.50 (0.256) 2.54 (0. 1 00) 2.54 (0. 1 00) 2.60 (0. 1 02) 1 .00 (0.03 9 )
mtu1 series isolated 1w single & dual output sm dc/dc converters kdc_mtu.b01 page 7 of 7 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/ tape & reel specifications reel outline dimensions tape outline dimensions reel packaging details product orientation pin 1, located nearest to carrier drive sprocket. reel quantity: 400 pcs. d i r e ct i o n of u n r eeling 1 6.000. 1 0 (0.630) 24.000.30 (0. 9 450.0 1 2) 11 .500. 1 (0.453) 1 .750. 1 (0.06 9 ) 2.000. 1 (0.07 9 ) 4.000. 1 (0. 1 57) 9 .000. 1 8.500. 1 (0.335) 8.700. 1 (0.343) 01 .50 + 0. 1 0 -0.00 ( 0 0.05 9 + 0.004 -0.000 ) 0.500.05 (0.020) tr aile r se ct i o n 1 60 (6.30) m in lea d e r se ct i o n 400 ( 1 5.75) m in c a rr ie r t ape s t a rt 1 00 (3. 9 4) m in g ood s en c l o s ur e se ct i o n xwwyy xwwyy xwwyy mtu1 s 050 9 mtu1 s 050 9 mtu1 s 050 9 330 (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)
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