nte-x nte-x nte-x nte-x nte-x nte-x nte-x nte-x series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 6 selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide order code input output efficiency isolation capacitance mttf 1 voltage (vdc) current (ma) voltage (vdc) current (ma) (%.typ.) pf khrs nominal rated load NTE0303XMC 3.3 410 3.3 303 81 29 5348 nte 0 3 0 5x mc 3.3 390 5 200 83 30 3847 nte 0 309 x mc 3.3 400 9 111 74 34 3134 nte 0 312 x mc 3.3 400 12 83 76 40 3473 nte 0 315 x mc 3.3 400 15 66 81 42 2473 nte 05 03 x mc 5 270 3.3 303 85 31 5515 nte 05 0 5x mc 5 294 5 200 83 33 6857 nte 05 0 5 n x mc 5 260 5 200 86 42 3933 nte 05 06 x mc 5 278 6 167 83 43 6677 nte 05 09 x mc 5 267 9 111 85 38 5501 nte 05 12 x mc 5 260 12 83 74 44 3957 nte 05 1 5x mc 5 256 15 66 78 43 2747 nte 12 0 5x mc 12 124 5 200 80 50 4683 nte 12 09 x mc 12 114 9 111 80 72 4008 nte 121 2 x mc 12 113 12 83 85 89 3121 nte1215 x mc 12 111 15 66 81 100 2316 1. calculated using mil-hdbk-217fn2 with nominal input voltage at full load. all specifications typical at ta=25 , nominal input voltage and rated output current unless otherwise specified. model model model model model model model model selection selection selection selection selection selection selection selection nte nte nte nte nte nte nte nte 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 x x x x x x x x mc mc mc mc mc mc mc mc product series input voltage output voltage fixed input & smd package microdc reserves the copyright 1w, 1w, 1w, 1w, fixed fixed fixed fixed input, input, input, input, isolated isolated isolated isolated single single single single output output output output sm sm sm sm d d d d dc-dc dc-dc dc-dc dc-dc converter converter converter converter features features features features features features features features footprint over pins 1.37cm 2 s hort circuit protection (automatic recovery) i/o isolation voltage 1 000vdc operating temperature: -40 85 high efficiency up to 78% toroidal magnetics small smd package with footprint power density 1. 8 w/cm 3 lead frame technology multi-layer ceramic capacitors custom solutions available applications applications applications applications applications applications applications applications the nte -x series are miniature,1w dc/dc converters with high isolation in a smd package. with a new package design these converters are qualif i ed for the higher temperatures requested by lead-free ref l ow solder processes. with the small footprint, these converters are the ideal solution for board level power distribution,mainly for applications in the industrial and telecom field. for automated smd production lines the devices can be supplied in standard tape and reel package. input input input input input input input input characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units voltage range continuous operation, 3 .3 v input 2.97 3.3 3.63 vdc continuous operation, 5v input 4.5 5 5.5 vdc continuous operation, 12v input 10.8 12 13.2 vdc start up time 30 47 ma p-p i i i i i i i i solation solation solation solation solation solation solation solation characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units isolation voltag e flash tested for 1 secon d 1000 vdc resistanc e viso= 1000vd c 10 g ? general general general general general general general general characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units switching frequency all output types 110 khz absolute absolute absolute absolute absolute absolute absolute absolute maximum maximum maximum maximum maximum maximum maximum maximum ratings ratings ratings ratings ratings ratings ratings ratings parameter conditions lead temperature 1.5mm from case for 10 second s 300 internal power dissipation 600mw input voltage v , nte 03 types 5.5v input voltage v in , nte 05 types 7v input voltage v in , nte 12 types 15v
nte-x nte-x nte-x nte-x nte-x nte-x nte-x nte-x series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 6 output output output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications parameter conditions min. typ. max. units rated power ta=-40 c to 85 c 1.0 w voltage set point see tolerance envelope line regulation high vin to low vin 1.0 1.2 %% load regulation 1 10% load to rated load, 0303 xmc & 0503 xmc 10 14 % 10% load to rated load, 0505xmc&1205xmc 12.8 15 % 10% load to rated load, 0506 xmc 9.2 10 % 10% load to rated load, 0509 xmc & 1209 xmc 8.3 9.0 % 10% load to rated load, 0512 xmc & 1212 xmc 6.8 7.5 % 10% load to rated load, 0515 xmc & 1215 xmc 6.3 7.0 % ripple noise bw=dc to 20mhz, 3.3v output types, 0305 xmc & 0505 xmc 40 60 mv p-p bw=dc to 20mhz, 3.3v output types, 05 05 xmc & 12 05 xmc 62 85 mv p-p bw=dc to 20mhz, 0506xmc 103 170 mv p-p bw=dc to 20mhz, 0509xmc& 1209xmc 49 75 mv p-p bw=dc to 20mhz, 0512 xmc & 1212 xmc 39 65 mv p-p bw=dc to 20mhz, 0515xmc& 1215xmc 38 76 mv p-p note:1 12v input types have typically 3% less load regulation change. temperature temperature temperature temperature temperature temperature temperature temperature characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics parameter conditions min. typ. max. units specification all output type s -40 85 storage -55 125 case temperature rise above ambient 0305, 0 309 , 0315 25 0303, 0312, 0503, 0505, 0509, 0512, 0515 30 0505, 1205 43 1 209, 1212, 1215 40 cooling free air convection technical technical technical technical technical technical technical technical notes notes notes notes notes notes notes notes isolation isolation isolation isolation voltage voltage voltage 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 specif f e d time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. professional power module nte-x 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 specif f c agency approvals, such as the nte-x 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 an 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; but 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 circuits and any user-accessible circuitry according to safety standard requirements. repeated repeated repeated repeated high-voltage high-voltage high-voltage high-voltage isolation isolation isolation isolation testing testing testing 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-x 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 insulation. 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 be reduced by 20% from specif f 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. temperature temperature temperature temperature temperature temperature temperature temperature derating derating derating derating derating derating derating derating graph graph graph graph graph graph graph graph
nte-x nte-x nte-x nte-x nte-x nte-x nte-x nte-x series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 6 application application application application application application application application notes notes notes notes notes notes notes notes minimum minimum minimum minimum load load load load the minimum load to meet data sheet specif f cation is 10% of the full rated load across the specif f ed input voltage range. lower than 10% minimum loading will result in an increase in output voltage, which may rise to typically double the specif f ed output voltage if the output load falls to less than 5%. capacitive capacitive capacitive capacitive loading loading loading loading and and and and start start start start up up up up typical start up times for this series, with a typical input voltage rise time of 2.2 s and output capacitance of 10 f, are shown in the table below. the product series will start into a capacitance of 47 f with an increased start time, however, the maximum recommended output capacitance is 10 f. start-up time start-up time s s NTE0303XMC 437 nte0506xmc 7200 nte0305xmc 1359 nte0509xmc 3146 nte0309xmc 3435 nte0512xmc 4960 nte0312xmc 6590 nte0515xmc 7740 nte0315xmc 7625 nte1205xmc 895 nte0503xmc 533 nte1209xmc 2150 nte0505xmc 1368 nte1212xmc 3640 nte0505nxmc 721 nte1215xmc 7180 ripple ripple ripple ripple & & & & noise noise noise noise characterization characterization characterization characterization method method method method ripple and noise measurements are performed with the following test con f guration. c1 1 f x7r multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the dc/dc converter c2 10 f tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the dc/dc converter with an esr of less than 100m at 100 khz c3 100nf multilayer ceramic capacitor, general purpose r1 450 resistor, carbon f 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 f ed values. differential differential differential differential mode mode mode mode noise noise noise noise test test test test schematic schematic schematic schematic
nte-x nte-x nte-x nte-x nte-x nte-x nte-x nte-x series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 4 of 6 application application application application application application application application notes notes notes notes notes notes notes notes output output output output ripple ripple ripple ripple reduction reduction reduction 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 component component component selection selection selection selection capacitor: it is required that the esr (equivalent series resistance) should be as low as possible, ceramic types are recommended. 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 current, 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 resonant frequency) should be >20mhz. inductor capacitor l, h smd through hole c, f NTE0303XMC 10 82103c 11r103c 4.7 nte0305xmc 47 82473c 11r103c 4.7 nte0309xmc 22 82223c 11r223c 2.2 nte0312xmc 10 82103c 11r103c 1 nte0315xmc 47 82473c 11r473c 1 nte0503xmc 10 82103c 11r103c 4.7 nte0505xmc 47 82473c 11r473c 4.7 nte0505nxmc 47 82473c 11r473c 4.7 nte0506xmc 10 82103c 11r103c 4.7 nte0509xmc 22 82223c 11r223c 2.2 nte0512xmc 47 82473c 11r473c 1 nte0515xmc 47 82473c 11r473c 1 nte1205xmc 47 82473c 11r473c 4.7 nte1209xmc 22 82223c 11r223c 2.2 nte1212xmc 47 82473c 11r473c 1 nte1215xmc 47 82473c 11r473c 1 tolerance tolerance tolerance tolerance tolerance tolerance tolerance tolerance envelopes envelopes envelopes envelopes envelopes envelopes envelopes 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.
nte-x nte-x nte-x nte-x nte-x nte-x nte-x nte-x series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 5 of 6 note: unit:mm[inch] pin section toleranc e s: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] weight: 1.21g outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details mechanical mechanical mechanical mechanical mechanical mechanical mechanical mechanical dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions solder solder solder solder solder solder solder solder pad pad pad pad pad pad pad pad dimension dimension dimension dimension dimension dimension dimension dimension dimensions in [mm], () = inch pin pitch tolerances: 0.13 ( 0.005) other tolerances: 0.25 ( 0.01) footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details pin single 1 -vin 3 +vin 5 n a 7 -vout 8 +vout 10 n a 12 n a 14 n a na - not available for electrical connection. tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions unless otherwise stated all dimensions in mm 0.5 (inches 0.02). tube length : 475 2.0 (18.70 0.07). tube quantity :35 specifications specifications specifications specifications can can can can be be be be changed changed changed changed any any any any time time time time without without without without notice. notice. notice. notice. no no no no parallel parallel parallel parallel connection connection connection connection or or or or plug plug plug plug and and and and play. play. play. play. note: 1. the load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed. 3. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this data sheet, all the test methods of indications are based on corporate standards. 5. only typical models listed, other models may be different, please contact our technical person for more details. product product product product product product product product id id id id id id id id description description description description description description description description
nte-x nte-x nte-x nte-x nte-x nte-x nte-x nte-x series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 6 of 6 microdc microdc microdc microdc professional professional professional professional power power power power module,inc. module,inc. module,inc. module,inc. tel:0086-20-86000646 tel:0086-20-86000646 tel:0086-20-86000646 tel:0086-20-86000646 e-mail:tech@microdc.cn e-mail:tech@microdc.cn e-mail:tech@microdc.cn e-mail:tech@microdc.cn website: website: website: website: www www www www .microdc. .microdc. .microdc. .microdc. c c c c n n n n microdc professional power module,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. specifications are subject to change without notice. ? 2010 microdc professional power module, inc. guangzhou rohs rohs rohs rohs compliant compliant compliant compliant information information information information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish 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. reach reach reach reach compliant compliant compliant compliant information information information information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. tape tape tape tape tape tape tape tape & & & & & & & & reel reel reel reel reel reel reel reel specifications specifications specifications specifications specifications specifications specifications specifications reel reel reel reel packaging packaging packaging packaging details details details details product product product product orientation orientation orientation orientation pin 1, located nearest to carrier drive sprocket. reel quantity : 500 reel reel reel reel outline outline outline outline dimensions dimensions dimensions dimensions tape tape tape tape outline outline outline outline dimensions dimensions dimensions dimensions
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