features n output regulation <1.5% n controllable output n 1kvdc isolation n single isolated output n sip & dip package styles n efficiency to 62% n power density 0.85w/cm 3 n 5v, 12v, 24v & 48v input n 5v, 9v, 12v & 15v output n footprint from 1.17cm 2 n ul 94v-0 package material n no heatsink required n smd construction n t oroidal magnetics n fully encapsulated n no external components n mttf up to 2.4 million hours n pcb mounting n custom solutions available description the nmf series of dc-dc converters is used where a tightly regulated supply is r equired. they are ideal for situations wher e the input voltage is not tightly controlled. the output control pin makes the device particularly suitable for flash prom applications where an on/off controlled voltage source is required. selection guide nominal input output output v oltage v oltage cur r ent power out mttf 1 order code (v) (v) (ma) (mw) (%) (pf) khrs nmf0505s 5 5 100 500 50 28 1307 nmf0509s 5 9 100 900 62 32 825 sip nmf0512s 5 12 83 1000 62 33 512 nmf0515s 5 15 67 1000 62 39 316 nmf1205s 12 5 100 500 50 48 456 nmf1209s 12 9 100 900 62 63 379 sip nmf1212s 12 12 83 1000 62 68 290 nmf1215s 12 15 67 1000 62 69 218 nmf2405s 24 5 100 500 50 84 843 nmf2409s 24 9 100 900 62 106 613 sip nmf2412s 24 12 83 1000 62 132 422 nmf2415s 24 15 67 1000 62 152 279 nmf4805s 48 5 100 500 50 54 200 nmf4809s 48 9 100 900 62 75 283 sip nmf4812s 48 12 83 1000 62 92 162 nmf4815s 48 15 67 1000 62 109 135 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. 75 5 5.25 continuous operation, 1 2v input types 1 1.4 12 12.6 v oltage range continuous operation, 24v input types 22.8 24 25.2 v continuous operation, 48v input types 45.6 48 50.4 parameter conditions min typ max units rated power 2 t a = 0? to 70? 1 w line regulation high v in to low v in 0.25 %/% load regulation 10% load to rated load, 5v output types 0.9 1.5 % ripple & noise bw=dc to 20mhz, all output types 60 mvp-p short-circuit duration 3 1 second internal power dissipation 450mw lead temperature 1.5mm from case for 10 seconds 300? input voltage v in , nmf05 types 7v input voltage v in , nmf12 types 15v input voltage v in , nmf24 types 28v input voltage v in , nmf48 types 54v input characteristics output characteristics absolute maximum ratings 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. 4 replace suffix ??with ??for dip package style. all specifications typical at t a =25 c, nominal input voltage and rated output current unless otherwise specified. nmf series isolated 1w regulated single output dc-dc converters www.dc-dc.com
nmf series isolated 1w regulated single 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 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 nmf.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 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 0.1 g w parameter conditions min typ max units switching frequency all input types 80 khz mechanical dimensions parameter conditions min typ max units specification all output types 0 70 ? storage ?5 150 ? cooling free air convection 14 pin dip pin 1 gnd 9 +v reg 10 ctrl 11 0v 14 v in 7 pin sip pin 1 v in 2 gnd 4 0v 5 ctrl 6 +v reg * 7.70 for 48v input variants ** 7.50 for 48v input variants all dimensions in mm xx.xx ?.25mm. all pins on a 2.54mm pitch and within ?.25mm of true position. temperature derating graph 2.0 1.5 1.0 0.5 0 ?0 0 50 70 100 125 150 ambient temperature (?) safe operating area 1 9.50 9. 80 6.80* 12.70 7.62 0.50?.05 0.50?.05 0.50?.05 7.62 1 4 pin dip weight: 2.9g nmf1205d yyww 0.25?.05 0.25?.05 911 10 14 1 7 pin sip weight: 2.3g 4.10 1 9.50 6.0 0** 10.0 2.00 1 .25 1 2.70 2.54 nmf1212s yyww 1 2 5 64 4.10
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