kdc_NCS6c.a01 page 1 of 6 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NCS6 series isolated 6w 4:1 input single output dc/dc converters for full details go to www.murata-ps.com/rohs $ selection guide order code input voltage output voltage output current input current current ripple & noise (typ.) ef? ciency mttf 1 nom. 100% load 0% load 100% load min. typ. v v a ma ma mv p-p % % khrs NCS6s1203c* 12 3.3 1.52 10 550 150 75 76 NCS6s1205c 12 5 1.2 7 610 30 79 82 521,975 NCS6s1212c 12 12 0.5 10 580 30 84 86 435,567 NCS6s1215c 12 15 0.4 12 580 30 85 87 437,582 NCS6s4803c* 48 3.3 1.52 10 150 150 73 75 NCS6s4805c 48 5 1.2 6 160 30 78 80 441,850 NCS6s4812c 48 12 0.5 7 150 30 82 84 408,555 NCS6s4815c 48 15 0.4 7 150 30 83 84 416,319 * contact factory for ordering status, samples available. input characteristics parameter conditions min. typ. max. units voltage range all NCS6s12 types 9 12 36 v all NCS6s48 types 18 48 75 under voltage lock out turn on threshold NCS6s12 8.5 v turn off threshold NCS6s12 7.5 turn on threshold NCS6s48 16.7 turn off threshold NCS6s48 15.8 re? ected ripple current all NCS6s12 types 12 ma p-p all NCS6s48 types 9 output characteristics parameter conditions min. typ. max. units rated power 5v, 12v & 15v output types 6 w 3.3v output types 5 voltage set point accuracy 2 % line regulation low line to high line 0.002 0.2 % load regulation 10% total load to 100% total load NCS6sxx05c 0.3 0.5 % NCS6sxx12c, NCS6sxx15c 0.06 0.2 start-up time 5v output types 2.5 ms 12v output types 4.6 15v output types 5.5 isolation characteristics parameter conditions min. typ. max. units isolation test voltage flash tested for 1 seconds 1500 vdc resistance viso = 1kvdc 1 g capacitance 225 pf absolute maximum ratings short-circuit protection (for selv input voltages) continuous internal power dissipation 2.1w lead temperature 1.0mm from case for 10 seconds (to jedec jesd22-b106 iss c) 260c minimum output load for speci? cation (see application notes) 10% of rated load input voltage, NCS6 12v input types 40v input voltage, NCS6 48v input types 80v 1 calculated using mil-hdbk-217f fn2, parts stress method with nominal input voltage at full load. all speci? cations typical at t a =25 c, nominal input voltage and rated output current unless otherwise speci? ed. features rohs compliant 4:1 wide range voltage input operating temperature range C40c to 85c 0.06% typical load regulation 1.5kvdc isolation ef? ciency from 75% 12v & 48v nominal input power density 0.94w/cm 3 ul 94v-0 package materials no electrolytic capacitors low noise under voltage lock out current fold back product overview the NCS6 series of dc/dc converters offers single output voltages from input voltage ranges of 9-36v and 18-75v. the NCS6 is housed in an industry standard package with a standard pinout. the NCS6 is packaged in a metal case for improved emi shielding and is also encapsulated for superior thermal performance. applications include telecommunications, battery powered systems, process control and distributed power systems.
kdc_NCS6c.a01 page 2 of 6 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NCS6 series isolated 6w 4:1 input single output dc/dc converters general characteristics 1 parameter conditions min. typ. max. units switching frequency 180 khz temperature characteristics parameter conditions min. typ. max. units operation -40 85 c storage -50 100 case temperature rise above ambient 100% load, nom v in , still air, 3.3v 5v 32 12v 28 15v 26 thermal shutdown case temperature 110 application notes output capacitors the NCS6 series does not require output capacitors to meet datasheet speci? cation. to meet datasheet speci? cation, output cap acitance should not exceed: output voltage (v) output capacitance (f) 3.3 470 5 470 12 220 15 220 minimum load the minimum load to meet full datasheet speci? cation is 10% of the full rated load across the speci? ed input voltage range. between 0% and 10% output loading, the output voltage will remain within data sheet speci? cation however, output ripple and no ise will increase but will still be below 50mv p-p. 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 speci? ed time, across a component designed to provide electrical isolation, to verify the integrity of that isol ation. murata power solutions NCS6 series of dc/dc converters are all 100% production tested at their stated isolation voltage. this i s 1.5kvdc for 1 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 speci? c agency approvals, such as the NCS6 series, both input and output should normally be maintained w ithin 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 a n 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; bu t 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 circui ts and any user-accessible circuitry according to safety standard requirements. repeated 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 NCS6 series has an er ferrite core, with no additional insulation between primary and seconda ry 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 m aterial, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tes ts 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% fr om speci? ed 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.
kdc_NCS6c.a01 page 3 of 6 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NCS6 series isolated 6w 4:1 input single output dc/dc converters rohs compliance information this series is compatible with rohs soldering systems with a peak wave solder temperature of 260oc for 10 seconds. the pin term ination ? nish on this product series is a gold ? ash (0.05-0.10 micron) over nickel preplate. the series is backward compatible with sn/pb so ldering systems. for further information, please visit www.murata-ps.com/rohs characterisation test methods ripple & noise characterisation method ripple and noise measurements are performed with the following test con? guration. c1 1uf x7r m ultilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the dc/dc converter c2 10uf tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the dc/dc converter with an esr of l ess than 100m at 100 khz c3 100nf multilayer ceramic capacitor, general purpose r1 450 resistor, carbon ? lm, 1% tolerance r2 50 bnc termination t1 3t of the coax cable through a ferrite toroid rload resistive load to the maximum power rating of the dc/dc converter. connections should be made via twisted wires measured values are multiplied by 10 to obtain the speci? ed values. differential mode noise test schematic oscilloscope y input supply c1 c2 c3 r1 t1 r2 input output dc/dc converter r load + + - -
kdc_NCS6c.a01 page 4 of 6 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NCS6 series isolated 6w 4:1 input single output dc/dc converters efficiency vs load NCS6s1205c NCS6s1212c NCS6s1215c NCS6s4805c NCS6s4812c NCS6s4815c load (%) ef?ciency (%) 0 10 20 30 40 50 60 70 80 90 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% 24v 48v load (%) ef?ciency (%) 0 10 20 30 40 50 60 70 80 90 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% 24v 48v 0 10 20 30 40 50 60 70 80 90 100 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% load (%) ef?ciency (%) 24v 48v 0 10 20 30 40 50 60 70 80 90 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% load (%) ef?ciency (%) 24v 12v 0 10 20 30 40 50 60 70 80 90 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% load (%) ef?ciency (%) 24v 12v 0 10 20 30 40 50 60 70 80 90 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% load (%) ef?ciency (%) 24v 12v
kdc_NCS6c.a01 page 5 of 6 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NCS6 series isolated 6w 4:1 input single output dc/dc converters temperature derating NCS6s1205c NCS6s1212c NCS6s1215c NCS6s4805c NCS6s4812c NCS6s4815c 0 1 2 3 4 5 6 7 -40-30-20-100 1020304050607080 ambient temperature (oc) output power (w) still air 100 lfm 200 lfm 400 lfm 0 1 2 3 4 5 6 7 -40-30-20-100 1020304050607080 ambient temperature (oc) output power (w) still air 100 lfm 200 lfm 400 lfm 0 1 2 3 4 5 6 7 -40-30-20-100 1020304050607080 ambient temperature (oc) output power (w) still air 100 lfm 200 lfm 400 lfm 0 1 2 3 4 5 6 7 -40-30-20-100 1020304050607080 ambient temperature (oc) output power (w) still air 100 lfm 200 lfm 400 lfm 0 1 2 3 4 5 6 7 -40-30-20-100 1020304050607080 ambient temperature (oc) output power (w) still air 100 lfm 200 lfm 400 lfm 0 1 2 3 4 5 6 7 -40-30-20-100 1020304050607080 ambient temperature (oc) output power (w) still air 100 lfm 200 lfm 400 lfm
kdc_NCS6c.a01 page 6 of 6 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com NCS6 series isolated 6w 4:1 input single output dc/dc converters murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained her ein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci? cations are subject to cha nge without notice. ? 2009 murata power solutions, inc. usa: mans? eld (ma), tel: (508) 339 3000, email: sales@murata-ps.com canada: toronto, tel: (866) 740 1232, email: toronto@murata-ps.com uk: milton keynes, tel: +44 (0)1908 615232, email: mk@murata-ps.com france: montigny le bretonneux, tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com germany: mnchen, tel: +49 (0)89-544334-0, email: ped.munich@murata-ps.com japan: tokyo, tel: 3-3779-1031, email: japan@murata-ps.com kyoto, tel: 81-75-955-7269, email: japan@murata-ps.com china: shanghai, tel: +86 215 027 3678, email: shanghai@murata-ps.com guangzhou, tel: +86 208 221 8066, email: guangzhou@murata-ps.com singapore: parkway centre, tel: +65 6348 9096, email: singapore@murata-ps.com murata power solutions, inc. 11 cabot boulevard, mans? eld, ma 02048-1151 u.s.a. tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com iso 9001 & iso 14001 registered package specifications mechanical dimensions pin connections pin function single 2-v in 3-v in 11 n/c 14 +v out 16 -v out 22 +v in 23 +v in tube outline dimensions recommended footprint details all dimensions in inches 0.010 (mm 0.25mm). all pins on a 0.100 (2.54) pitch and within 0.010 (0.25) of true position. weight: 17g all dimensions in inches 0.010 (mm 0.25mm). tube length 20.47 (520)) all dimensions in inches 0.010 (mm 0.25mm). quantity: 15 0.02 ( 0 0.787 (20.0) 1.26 (32.0) xyyww NCS6s0505c 0.394 (10 . 0.600 (15.24) 0.093 (2.36 ) 0.100 (2.54) 0.020 (0.50) 0.180 (4.57) 0.200 (5.08) 0.600 (15.24) 0.256 (6.50) 14 16 22 23 11 3 2 0.040.006 (1.000.15) 0.906 (23.0) 0.335 (8.5) 0.807 (20.5) 0.1 (2.54) ? 11 holes tba 0.1 (2.54)
|
