www.cdpoweronline.com nka series isolated sub-miniature 1w dual output dc-dc converters selection guide features new sub-miniature sip & dip package styles 3kvdc isolation efficiency up to 82% wi de temperature performance at full 1 watt load, ?0? to 85? increased power density to 1.35w/cm 3 ul 94v-0 package material reduced footprint at 0.98cm 2 dual output from a single input rail industry standard pinout power sharing on output 3.3v, 5v & 12v input 3.3v, 5v, 9v, 12v and 15v output no heatsink required internal smd construction fully encapsulated with toroidal magnetics no external components required mttf up to 1.6 million hours no electrolytic or tantalum capacitors description the nka sub-miniature series of industrial temperature range dc-dc converters are the standard building blocks for on-board distributed power systems. the series offers smaller package size, improved efficiency, lower output ripple and 3kvdc isolation capability through the use of state of the art packaging and technology. 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 input output output current at isolation vo ltage voltage current rated load efficiency capacitance mttf 1 order code ? (v) (v) (ma) (ma) (%) (pf) khrs nka0303s 3.3 3.3 ?63 407 74 20 195 nka0305s 3.3 5 ?00 383 79 22 1121 nka0309s 3.3 9 ?6 402 75 30 1035 nka0312s 3.3 12 42 390 78 31 375 nka0315s 3.3 15 33 384 79 32 206 nka0503s 53.3 163 259 77 20 205 nka0505s 55 ?00 285 70 21 1697 nka0505se 55 ?00 249 80 26 1557 nka0509s 59 55 263 76 25 682 nka0512s 512 42 255 78 28 343 nka0515s 515 33 253 79 29 188 nka1205s 12 5 100 112 74 33 559 nka1209s 12 9 55 106 79 48 375 nka1212s 12 12 ?2 104 81 55 243 nka1215s 12 15 ?3 102 82 60 154 ? for dip package style replace suffix s with d, eg nka0312d. 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. 1 calculated using mil-hdbk-217f with nominal input voltage at full load. 2 see derating curve. 3 12v input types have typically 3% less load regulation change. 4 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. parameter conditions min typ max units continuous operation, 3.3v input types 2.97 3.3 3.63 vo ltage 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 3.3v input types 30 60 ma p-p all other types 20 35 short circuit duration 4 1 second internal power dissipation 550mw lead temperature 1.5mm from case for 10 seconds 300? input voltage v in , nka03 types 5.5v input voltage v in , nka05 types 7v input voltage v in , nka12 types 15v input characteristics absolute maximum ratings output characteristics parameter conditions min typ max units rated power 2 t a = -40? to 120? 1 w vo ltage set point accuracy see tolerance envelope line regulation high v in to low v in 1.0 1.2 %/% 10% load to rated load, 0312 & 0315 8 14 10% load to rated load, 3.3v output types 10 15 10% load to rated load, 5v output types 10 12 load regulation 3 10% load to rated load, 9v output types 6.5 8 % 10% load to rated load, 12v output types 6 8.5 10% load to rated load, 15v output types 6 7 bw=dc to 20mhz, 0312 & 0315 25 60 bw=dc to 20mhz, 3.3v output types 40 80 bw=dc to 20mhz, 5v output types 50 75 ripple and noise bw=dc to 20mhz, 9v output types 40 65 mv p-p bw=dc to 20mhz, 12v output types 40 60 bw=dc to 20mhz, 15v output types 40 60
c&d technologies (ncl) ltd t anners drive, blakelands north milton keynes mk14 5bu, england te l: +44 (0)1908 615232 fax: +44 (0)1908 617545 email: info@cdtechno-ncl.com www.cdpoweronline.com c&d technologies inc. 3400 e britannia drive, tucson, arizona 85706, usa te l: +1 (800) 547-2537 fax: +1 (520) 741-4598 email: sales@cdtechno.com 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 current and complete specification for your product before use. ?c&d technologies (ncl) limited 2004 ndc nka.7 no part of this publication may be copied, transmitted or stored in a retrieval 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.cdpoweronline.com nka series isolated sub-miniature 1w dual output dc-dc converters isolation characteristics general characteristics temperature characteristics parameter conditions min typ max units isolation test voltage flash tested for 1 second 3000 vdc resistance viso=1000vdc 10 g ? parameter conditions min typ max units switching frequency 3.3v input types 95 khz all other types 120 parameter conditions min typ max units specification all output types -40 85 c storage -50 130 ? case temperature 5v output types 30 ? above ambient all other output types 21 cooling free air convection 0.234 (5.95) pin connections - 14 pin dip 1 gnd 7 nc 8 0v 9 +v 11 -v 14 v in mechanical dimensions 0.297 (7.55) 0.181(4.60) 0.142(3.60) 1 2 4 5 6 0.012(0.30) 0.008(0.20) 0.022(0.55) 0.018(0.45) 0.024 (0.60) 0.020 (0.50) wei gh t: 1.4g (sip) 1.9g (dip) all dimensions in inches(mm) ?.01(0.25). all pins on a 0.1(2.54) pitch and within ?.01(0.25) of true position. 0.10(2.54) 0.652(16.55) 0.066?.02 (1.675?.50) 0.050 (1.25) 0.50(12.70) 0.386 (9.80) 0.213 (5.40) 0. 18 1(4.60) 0. 142(3.60) 0.012?.002 (0.50?.05) 0.768(19.50) temperature characteristics tem perature derating graph nka0303d/s, 0305d/s, 0309d/s, 0505de/se types only 6 pin sip package style 14 pin dip package style ambient temperature (?) 85? 120? output power (w) 2.0 1.5 1.0 0.5 0 safe operating area -40 0 50 100 150 10 25 50 75 100 output load current (%) to lerance envelope t y p i c a l l o a d l i n e output voltage + 9% +1% v nom ?% +1% ?% ?5% tem perature derating graph all other types ambient temperature (?) 85? 120? output power (w) 2.0 1.5 1.0 0.5 0 safe operating area -40 0 50 100 150 10 25 50 75 100 output load current (%) to lerance envelope t y p i c a l l o a d l i n e output voltage + 10% +5% v nom +2.5% ?.5% ?.5% nka0505d xyyww nka0505s xyyww pin connections - 6 pin sip 1 v in 2 gnd 4 -v 5 0v 6 +v 17 8 9 11 14 0.300 (7.62) 0.600(15.24) 0.084(2.13) 0.10(2.54) 0.012 (0.30) 0.008 (0.20) 0.043 (1.09)
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