nma 5v & 1 2v series isolated 1 w dual output dc-dc converters selection guide features n w ide temperature performance at full 1 watt load, 40? to 85? n dual output from a single input rail n industry standard pinout n power sharing on output n 1kvdc isolation n efficiency to 78% n power density up to 0.85w/cm 3 n 5v & 12v input n 5v, 9v, 12v and 15v output n footprint from 1.17cm 2 n ul 94v-0 package material n no heatsink required n internal smd construction n t oroidal magnetics n fully encapsulated n no external components required n mttf up to 2.1 million hours n custom solutions available n no electrolytic or tantalum capacitors description the nma series of industrial temperatur e range dc-dc converters are the standar d 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. nominal input output output input cur r ent v oltage v oltage cur r ent at rated load mttf 1 order code (v) (v) (ma) (ma) (%) (pf) khrs nma0505d 5 5 ?00 289 69 28 1697 nma0509d 5 9 ?5 270 75 32 682 dip nma0512d 5 12 ?2 266 77 34 343 nma0515d 5 15 ?3 263 78 36 188 nma0505s 5 5 ?00 289 69 28 1697 nma0509s 5 9 ?5 270 75 32 682 sip nma0512s 5 12 ?2 266 77 34 343 nma0515s 5 15 ?3 263 78 36 188 nma1205d 12 5 ?00 120 69 33 559 nma1209d 12 9 ?5 113 74 46 375 dip NMA1212D 12 12 ?2 111 75 55 243 nma1215d 12 15 ?3 110 76 54 154 nma1205s 12 5 ?00 120 69 33 559 nma1209s 12 9 ?5 113 74 46 375 sip nma1212s 12 12 ?2 111 75 55 243 nma1215s 12 15 ?3 110 76 54 154 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. parameter conditions min typ max units continuous operation, 5v input types 4.5 5 5.5 v oltage range continuous operation, 1 2v input types 10.8 12 13.2 v reflected ripple cur r ent 20 33 ma p-p parameter conditions min typ max units rated power 2 t a = 40? to 120? 1 w v oltage set point accuracy see tolerance envelope line regulation high v in to low v in 1.0 1.2 %/% 10% load to rated load, 5v output types 10 12.5 load regulation 10% load to rated load, 9v output types 9 10 % 10% load to rated load, 12v output types 6.5 7.5 10% load to rated load, 15v output types 6 7.5 bw=dc to 20mhz, 5v output types 40 75 ripple & noise bw=dc to 20mhz, 9v output types 25 50 mv p-p bw=dc to 20mhz, 12v output types 25 50 bw=dc to 20mhz, 15v output types 20 50 short-circuit duration 3 1 second internal power dissipation 450mw lead temperature 1.5mm from case for 10 seconds 300? input voltage v in , nma05 types 7v input voltage v in , nma12 types 15v input characteristics output characteristics absolute maximum ratings www.dc-dc.com 1 calculated using mil-hdbk-217f with nominal input voltage at full load. 2 see derating curve 3 supply voltage must be discontinued at the end of the short circuit duration. all specifications typical at t a =25?, nominal input voltage and rated output current unless otherwise specified.
nma 5v & 1 2v series isolated 1 w dual output dc-dc converters c&d technologies (ncl) ltd t anners drive, blakelands north milton keynes mk14 5bu, england t el: +44 (0)1908 615232 fax:+44 (0)1908 617545 email: info@cdtechno-ncl.com www: http://www.dc-dc.com c&d technologies (ncl), inc. 5816 creedmoor road, raleigh nc 27612, usa t el: +1 (919) 571-9405 fax: +1 (919) 571-9262 email: info@us.cdtechno-ncl.com isolation characteristics performance characteristics general characteristics temperature characteristics pin connections parameter conditions min typ max units isolation test voltage flash tested for 1 second 1000 vdc resistance v iso=500vdc 10 g w parameter conditions min typ max units switching frequency 5v input types 110 khz 12v input types 140 parameter conditions min typ max units specification all output types -40 85 ? storage -50 130 ? case temperatur e 5v output types 33 above ambient all other output types 28 ? cooling free air convection 14 pin dip pin 1 gnd 7 nc 8 0v 9 +v 11 ? 14 v in 7 pin sip pin 1 v in 2 gnd 4 ? 5 0v 6 +v tolerance envelope + 10% +5% v nominal temperature derating graph 2.0 1.5 1.0 0.5 0 +2.5% -2.5% -7.5% 10 50 100 output load cur r ent (%) -40 0 50 100 150 ambient temperature (?) safe operating area 1 9.50 9. 80 mechanical dimensions 6.80 15.24 1.09 2.13 7.62 4.60 3.60 0.55 0.45 0.55 0.45 2.54 1 9.50 6.00 10.0 2.00 1 .25 1 2.70 4.60 3.60 2.54 all dimensions in mm xx.xx ?.25mm. all pins on a 2.54mm pitch and within ?.25mm of true position. 1 4 pin dip weight: 2.4g 7 pin sip weight: 2.1g nma0505d xyywwi nma0505s xyywwi 1 2 5 64 0.30 0.20 891114 7 1 0.30 0.20 0.55 0.45 c&d technologies (ncl) limited reserve the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. please check with your supplier or visit our web site to ensure that you have the cur r ent and complete specification for your product before use. ?c&d technologies (ncl) limited 2001 ndc nma.3 no part of this publication may be copied, transmitted or stored in a r etrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from c&d technologies (ncl) limited. instructions for use are available from www.dc-dc.com
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