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www.cd4power.com nth series isolated 2w dual output sm dc/dc converters kdc_nthc. 2 page of 4 selection guide order code nominal input voltage output voltage output current input current at rated load effciency isolation capacitance mttf 2 v v ma ma % pf khrs nth0505mc 5 5 200 500 80 27 275 nth0509mc 5 9 494 8 34 93 nth0512mc 5 2 83 488 82 39 465 nth0515mc 5 5 67 476 84 37 257 nth1205mc 2 5 200 208 80 35 675 nth1209mc 2 9 20 83 57 472 nth1212mc 2 2 83 98 84 66 35 nth1215mc 2 5 67 98 84 63 204 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. input characteristics parameter conditions min. typ. max. units voltage range continuous operation, 5v input types 4.5 5 5.5 v continuous operation, 2v input types 0.8 2 3.2 refected ripple current 5v input types 40 ma p-p 2v input types 30 output characteristics parameter conditions min. typ. max. units rated power 3 t a =-40c to 85c 2.0 w voltage set point accuracy nthxx05, 0% to 00% load -5.0 7.5 % all other variants, 0% to 00% load -5.0 5.0 line regulation high v in to low v in .0 .2 %/% load regulation 2 0% load to rated load, 5v output types 5.0 0 % 0% load to rated load, all other output types 3.0 0 ripple & noise bw=dc to 20mhz, 5v output types 50 200 mv p-p bw=dc to 20mhz, 9v output types 00 50 bw=dc to 20mhz, 2v output types 80 50 bw=dc to 20mhz, 5v output types 70 50 isolation characteristics parameter conditions min. typ. max. units isolation test voltage flash tested for second 000 vdc resistance viso= 500vdc 0 g? general characteristics parameter conditions min. typ. max. units switching frequency all 5v input types 95 khz all 2v input types 90 absolute maximum ratings short-circuit protection 4 second lead temperature .5mm from case for 0 seconds 300c internal power dissipation 550mw input voltage v in , nth05 types 7v input voltage v in , nth 2 types 5v . if components are required in tape and reel format suffx order code code with -r, e.g. nth0505mc-r. 2. calculated using mil-hdbk-2 7f with nominal input voltage at full load. 3. see derating graph. 4. supply voltage must be discontinued at the end of the short circuit duration. all specifcations typical at t a =25c, nominal input voltage and rated output current unless otherwise specifed. description the nth series of miniature surface mounted dc/dc converters employ leadframe technol - ogy and transfer moulding techniques to bring all of the benefts of ic style packaging to hybrid circuitry. the component lead termination of this product range is lead-free compatible, therefore the converter can be soldered in a lead-free soldering process. co-planarity of the lead posi - tions is based upon iec 9-6: 990. the devices are suitable for all applications where high volume production is envisaged. features n rohs compliant n effciency up to 84% n wide temperature performance at full 2 watt load, C40c to 85c n ul 94v-0 package material n lead frame technology n 5v & 2v input n 5v, 9v, 2v & 5v output n internal smd construction n dual isolated output n kvdc isolation n mttf up to 2.7 million hours n power density .6w/cm 3 n no heatsink required n custom solutions available n multi layer ceramic capacitors
www.cd4power.com nth series isolated 2w dual output sm dc/dc converters kdc_nthc. 2 page 2 of 4 temperature characteristics parameter conditions min. typ. max. units specifcation all output types -40 85 c storage -55 25 case temperature rise above ambient 5v output types 30 all other output types 25 cooling free air convection technical notes isolation voltage hi pot test, flash tested, withstand voltage, proof voltage, dielectric withstand voltage & isolation test voltage are all terms that relate to the same thing, a test voltage, applied for a specifed time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. c&d technologies nth series of dc/dc converters are all 00% production tested at their stated isolation voltage. this is kvdc for second. a question commonly asked is, what is the continuous voltage that can be applied across the part in normal operation? for a part holding no specifc agency approvals, such as the nth series, both input and output should normally be maintained within selv limits i.e. less than 42.4v peak, or 60vdc. the isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. the part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry according to safety standard requirements. r epeated high- voltage isolation testing it is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials, construction and environment. the nth series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enameled wire. while parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. any material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. we therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specifed test voltage. this consideration equally applies to agency recognized parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further insulation system of physical spacing or barriers. tolerance envelope temperature derating graph 50 00 50 0 -40 0 .0 2.0 3.0 safe operating area 85 c ambient temperature ( c ) output power ( w ) rohs compliance information this series is compatible with rohs soldering systems with a peak refow solder temperature of 245 oc and time above liquidus of 27oc for 80 seconds . the pin termination fnish on this product series is gold, plating thickness 0. microns minimum. the series is backward compatible with sn/pb soldering systems. for further information, please visit www.cd4power.com/rohs output load current ( % ) output voltage -5.0% -.5% +2.0% typical load line 00 75 50 25 0 +5% +.5% -2.0% output load current ( % ) output voltage -5.0% -.25% +2.5% typical load line 00 75 50 25 0 0% +7.5% +3.75% 5v output types all other output types
www.cd4power.com nth series isolated 2w dual output sm dc/dc converters kdc_nthc. 2 page 3 of 4 package specifications mechanical dimensions pin connections pin function -v in 3 +v in 5 na 9 -v out ov 3 +v out 4 na 6 na 8 -v out 22 nc 24 na 26 na na - not available for electrical connection. nc - no internal electrical connection.- recommended footprint details tube outline dimensions all dimensions in inches 0.0 (mm 0.25mm). all pins on a 0. (2.54) pitch. weight: 2.75g all dimensions in inches 0.02 (mm0.5). tube length : 8.700.079 (4752.0). tube quantity : 25

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www.cd4power.com nth series isolated 2w dual output sm dc/dc converters kdc_nthc. 2 page 4 of 4 c&d technologies (ncl) limited reserves the right to alter or improve the specifcation, internal design or manufacturing process at any time, without notice. please check with your supplier or visit our website to ensure that you have the current and complete specifcation for your product before use. ? c&d technologies (ncl) limited 2006 kdc_nthc.2 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.cd4power.com c&d technologies (ncl) ltd tanners drive, blakelands north milton keynes mk 4 5bu, uk tel: +44 (0) 908 65232 fax: +44 (0) 908 67545 email: mk@cdtechno.com tape & reel specifications reel outline dimensions tape outline dimensions reel packaging details 53"*-&34&$5*0/
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reel quantity : 400 c&d technologies, inc. cabot boulevard, mansfeld, ma 02048-5 , usa tel: + (508) 339-3000 fax: + (800) 233-2765 email: sales@cdtechno.com

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