www.cdpoweronline.com nta series isolated 1w dual output sm dc/dc converters selection guide features wi de temperature performance at full 1watt load, -40? to 85? lead frame technology maximum reflow temperature 280? dual isolated output 1kvdc isolation efficiency to 78% power density 1.36w/cm 3 5v & 12v input 5v, 9v, 12v and 15v output footprint over pins 1.64cm 2 ul 94v-0 package material no heatsink required internal smd construction to roidal magnetics plastic encapsulated mttf up to 2.1 million hours custom solutions available multi layer ceramic capacitors lead free compatible description the nta series of miniature surface mounted dc/dc converters employ leadframe technology and transfer moulding techniques to bring all of the benefits of ic style packaging to hybrid circuitry. the devices are fully compatible with cecc00802 to 280? which allows them to be placed and reflowed with ic s, thus reducing time and cost in production. co-planarity of the lead positions is based upon iec 191-6:1990. the devices are suitable for all applications where high volume production is envisaged. nominal input input output output current at isolation vo ltage voltage current rated load efficiency capacitance mttf 1 order code 5 (v) (v) (ma) (ma) (%) (pf) khrs nta0303m 3.3 3.3 ?63 402 75 29 1005 nta0305m 3.3 5.0 ?00 388 78 30 399 nta0309m 3.3 9.0 ?5 405 75 34 827 nta0312m 3.3 12 42 390 77 40 375 nta0315m 3.3 15 33 392 77 42 206 nta0503m 53.3 163 259 77 31 964 nta0505m 55 ?00 290 69 33 1697 nta0505me 55 100 251 80 42 367 nta0509m 59 55 267 75 38 682 nta0512m 512 42 260 77 44 343 nta0515m 515 33 256 78 43 188 nta1205m 12 5 100 121 69 50 559 nta1209m 12 9 55 113 74 72 375 nta1212m 12 12 ?2 111 75 89 243 nta1215m 12 15 ?3 110 76 100 154 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. 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. 5 if components are required in tape and reel format suffix order code with -r, e.g. nta0505m-r 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, 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 41 50 ma p-p short circuit duration 4 1second internal power dissipation 700mw lead temperature 1.5mm from case for 10 seconds 300? input voltage v in , nta03 types 5.5v input voltage v in , nta05 types 7v input voltage v in , nta12 types 15v input characteristics absolute maximum ratings parameter conditions min typ max units rated power 2 t a = -40? to 85? 1.0 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, 0303m & 0503m 10 15 10% load to rated load, 5v output types 10 12 10% load to rated load, 0309m 9.0 10 load regulation 3 10% load to rated load, 0509m & 1209m 6.5 8.0 % 10% load to rated load, 0312m & 0315m 11 14 10% load to rated load, 0512m & 1212m 6.0 8.5 10% load to rated load, 0515m & 1215m 6.0 7.0 bw=dc to 20mhz, 3.3v output types, nta0305 & nta0505me 40 80 bw = dc to 20m hz , all other 5v output types 50 100 ripple and noise bw=dc to 20mhz, 9v output types 35 80 mv p-p bw=dc to 20mhz, 12v output types 50 110 bw=dc to 20mhz, 15v output types 65 110 output characteristics
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 nta series isolated 1w dual output sm dc/dc converters 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 nta.4 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 isolation characteristics general characteristics temperature characteristics performance characteristics parameter conditions min typ max units isolation test voltage flash tested for 1 second 1000 vdc resistance viso=1000vdc 10 g ? parameter conditions min typ max units 0312m, 0315m 100 switching frequency 0303m, 0305m, 0503m, 0505me 110 khz all other variants 115 parameter conditions min typ max units specification all output types -40 85 c storage -55 125 ? 0305m, 0505me, 0312m, 0315m 19 case temperature 0303m, 0309m, 0503m 25 ? above ambient 0505m, 1205m 46 all other variants 35 cooling free air convection temperature derating graph 2.0 1.5 1.0 0.5 0 output power (w) to lerance envelope - 3.3v output types + 10% +5% v nominal +2.5% -2.5% -7.5% output voltage 10 50 100 output load current (%) to lerance envelope - all other types + 10% +5% v nominal +2.5% -2.5% -7.5% output voltage 10 50 100 output load current (%) -40 0 50 100 150 ambient temperature (?) 85? safe operating area mechanical dimensions all dimensions in inches (mm) ?.01(0.25). all pins on a 0.10(2.54) pitch. 0.600(15.24) 0.400 (10.16) 0.441 0.409 (11.20) (10.40) 0.260 (0.234) 6.60 (5.95) 0.026(0.65) 0.022(0.55) 0.012(0.30) 0.008(0.20) 0.074 (1.875) max detail a detail a 0.059(1.50) 0.047(1.20) 0.303 (7.70) 0.100(2.54) 0.083(2.10) 0.020(0.5) reference plane ?.00 0.010(0.25) 0.004(0.10) (0.110)2.79max 1357 12 9 10 14 16 18 0.004(0.1) s 0.008 ( 0.2 ) m p s p 10 p i n s seating plane s nta0505m xyyww (0.250) 0.230 (6.35) 5.85 pin 1 gnd 3v in 5na 70v 9-v 10 na 12 +v 14 na 16 na 18 na w eight: 1.53g
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