features p wide temperature performance at full 1 watt load, ?40c to 85c p dual output from a single input rail p industry standard pinout p power sharing on output p 1kvdc isolation p efficiency to 78% p power density upto 0.85w/cm 3 p 5v & 12v input p 5v, 9v, 12v and 15v output p footprint from 1.17cm 2 p ul 94v-0 package material p no heatsink required p internal smd construction p toroidal magnetics p fully encapsulated p no external components required p mttf up to 2.1 million hours p custom solutions available p no electrolytic or tantalum capacitors description the nma series of industrial temperature range dc-dc converters are the standard building blocks for on-board distributed power systems. they are ideally suited for providing dual rail supplies on primarily digital boards with the added benefit of galvanic isolation to reduce switching noise. all of the rated power may be drawn from a single pin provided the total load does not exceed 1watt. newport components nma series 1 nma series isolated 1w dual output dc-dc converters preliminary notice : this is not a final specification. some parametric limits may be subject to change. 14 pin dip (top view) 7 pin sip pin connections v in gnd ?v 0v +v v in ?v +v 0v 17 14 11 9 8 1 2 456 gnd nc
absolute maximum ratings short circuit duration 1 1 second internal power dissipation 450mw lead temperature 1.5mm from case for 10 seconds 300c input voltage v in , nma05 types 7v input voltage v in , nma12 types 15v electrical specifications specifications typical at t a =25c, nominal input voltage and rated output current unless otherwise specified. order code nominal input voltage rated output voltage rated output current input current at rated load efficiency isolation capacitance package style (v) (v) (ma) (ma) (%) (pf) NMA0505D 5 5 100 289 69 28 1 nma0509d 5 9 55 270 75 32 nma0512d 5 12 42 266 77 34 nma0515d 5 15 33 263 78 36 nma0505s 5 5 100 289 69 28 2 nma0509s 5 9 55 270 75 32 nma0512s 5 12 42 266 77 34 nma0515s 5 15 33 263 78 36 nma1205d 12 5 100 120 69 33 1 nma1209d 12 9 55 113 74 46 nma1212d 12 12 42 111 75 55 nma1215d 12 15 33 110 76 54 nma1205s 12 5 100 120 69 33 2 nma1209s 12 9 55 113 74 46 nma1212s 12 12 42 111 75 55 nma1215s 12 15 33 110 76 54 i when operated without additional external load capacitance, the output voltage of the nma devices is guaranteed to be within 95% of its steady state value within 100ms after the input voltage has reached 95% of its steady state value, irrespective of the rise time of the input voltage. ii 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. 2 newport components nma series isolated 1w dual output dc-dc converters 1 supply voltage must be discontinued at the end of the short circuit duration.
family characteristics - input specifications typical at t a =25c, nominal input voltage and rated output current unless otherwise specified. parameter conditions min nom 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 reflected ripple current 20 33 ma p-p family characteristics - output specifications typical at t a =25c, nominal input voltage and rated output current unless otherwise specified. parameter conditions min typ max units rated power 1 t a = ?40c to 120c 1 w voltage set point accuracy see tolerance envelope line regulation high v in to low v in 1.0 1.2 %/% load regulation 10% load to rated load, 5v output types 10 12.5 % 10% load to rated load, 9v output types 910 10% load to rated load, 12v output types 6.5 7.5 10% load to rated load, 15v output types 6 7.5 ripple and noise bw=dc to 20mhz, 5v output types 40 75 mv p-p bw=dc to 20mhz, 9v output types 25 50 bw=dc to 20mhz, 12v output types 25 50 bw=dc to 20mhz, 15v output types 20 50 family characteristics - isolation specifications typical at t a =25 c, nominal input voltage and rated output current unless otherwise specified. parameter conditions min typ max units isolation voltage flash tested for 1 second 1000 vdc test voltage 50hz, 10 seconds 1000 vpk resistance viso=500v 10 g w newport components nma series 3 nma series isolated 1w dual output dc-dc converters 1 see derating curve.
family characteristics - general specifications typical at t a =25 c, nominal input voltage and rated output current unless otherwise specified. parameter conditions min typ max units switching frequency v in 5v types 110 khz v in 12v types 140 package weight sil 2.1 g dil 2.4 family characteristics - temperature specifications typical at t a =25 c, nominal input voltage and rated output current unless otherwise specified. parameter conditions min typ max units specification all output types ?40 85 c storage ?50 130 c case temperature above ambient 5v output types 33 c all other output types 28 family characteristics - mean time to failure (mttf) calculated using mil-hdbk-217f with nominal input voltage at full load. part number ?40c 25c 85c units nma0505 2068 1697 1368 khrs nma0509 652 682 567 nma0512 412 343 287 nma0515 226 188 158 nma1205 675 559 464 khrs nma1209 452 375 314 nma1212 292 243 204 nma1215 184 154 129 4 newport components nma series isolated 1w dual output dc-dc converters
typical characteristics 1 newport components nma series 5 nma series isolated 1w dual output dc-dc converters output load current (%) 10 50 100 ambient temperature ( c) ?40 0 50 100 120 150 output voltage 2.0 1.5 1.0 0.5 0 output power (w) 85 +10% +5% v nominal +2.5% -2.5% -7.5% tolerance envelope temperature derating graph % of total output current 02040 60 80 100 % of total output current 02040 60 80 100 80 100 60 40 20 0 efficiency % 10 15 20 5 0 -5 -10 % deviation from nominal nma12 series % of total output current 02040 60 80 100 % of total output current 02040 60 80 100 80 100 60 40 20 0 efficiency % 10 15 20 5 0 -5 -10 % deviation from nominal nma05 series 1 all data taken at t a =25 c.
xyywwi NMA0505D 19.50 9.80 6.80 4.60 3.60 0.55 0.45 15.24 2.13 7.62 0.30 0.20 1.09 2.54 2.54 2.54 ? 1.15 1.00 outline dimensions 1 14 pin dip package style 7 pin sip package style recommended footprint details 6 newport components nma series isolated 1w dual output dc-dc converters 19.50 6.00 10.00 4.60 3.60 0.30 0.20 12.70 1.25 2.00 0.55 0.45 2.54 2.54 2.54 0.55 0.45 ? 1.15 1.00 nma0515s xyywwi 2 1 1 all dimensions in mm xx.xx 0.25mm. all pins on a 2.54mm pitch and within 0.25mm of true position.
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