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  icf series wide input 1000 watt isolated full brick dc-dc www.murata - ps.com/support mdc_icf_a01 page 1 of 16 features  4:1 input voltage range of 9-36v  single outputs of 24v or 28v  2250v isolation voltage (input-to-output)  industry standard full brick package 4.7" x 2.5" x 0.52" (119mm x 64mm x 13.2mm)  efficiency up to 96.5%  excellent thermal performance  over-current and short circuit protection  over-temperature protection  monotonic startup into pre-bias loads  400khz fixed switching frequency  remote on/off control (positive or negative logic)  external trim adjust and remote sense functions  operating temp. range -40c to +105c  rohs compliant product overview the 4:1 input voltage 1000 watt single output icf d c-dc converter provides a precisely regulated dc output. the output voltage is fully isolated from the input, allowing the output to be positive or negative polarity and with various grou nd connections. the enclosed full brick package meets the most rigorous performance standards in an industry stand ard footprint for process control (24vin), and commerci al-off-the- shelf (28vin) applications. the icf series includes an external trim adjust, re mote sense and remote on/off control. threaded through h oles are provided to allow easy mounting or the addition of a heat sink for extended temperature operation. the converters high efficiency and high power dens ity are accomplished through use of high-efficiency synchro nous rectification technology, advanced electronic circu it, packaging and thermal design thus resulting in a hi gh reliability product. the converter operates at a fi xed frequency of 400khz and follows conservative component derati ng guidelines. product is designed and manufactured in the usa. part number structure and ordering guide product family i c ic= industrial class form factor f f = full brick vout* 0 4 01 = 12vout, 02 = 5vout, 03 = 3.3vout, 04 = 24vout , 05 = 28vout output current 4 2 max iout in amps vin range v 1 v1 = 9 to 36v on/off control logic p n = negative, p = positive (standard) extended temperature range t t = extended temperature range, (omit for standard temp. range) specific customer configuration x x customer code, omit for standard rohs compliant c rohs 6/6 compliant description part number structure definition and options *note: some part number combinations might not be a vailable. please contact the factory for non-standa rd or special order products. model number input range (vdc) vout (vdc) iout (a) min max icf0442v1xc 9 36 24 42 ICF0536V1XC 9 36 28 36 ( pending )
www.murata - ps.com/support mdc_icf_a01 page 2 of 16 icf series wide input 1000 watt isolated full brick dc-dc electrical specification s C all models conditions: t a = 25 oc, airflow = 300 lfm (1.5 m/s), vin = 24vdc, unless otherwise specified. specifications are subj ect to change without notice. parameter notes min typ max units absolute maximum ratings input voltage continuous 0 40 v transient (100ms) 50 v operating temperature (see note 1) baseplate (100% load) standard model -40 105 c baseplate (100% load) t model -55 105 c storage temperature -55 125 c isolation characteristics and safety isolation voltage input to output 2250 v input to baseplate & output to baseplate 1500 v isolation capacitance 9000 pf isolation resistance 10 20 m insulation safety rating basic designed to meet ul/cul 60950, iec/en 60950-1 feature characteristics fixed switching frequency 200 khz input current and output voltage ripple 400 khz output voltage trim range adjustable via trim (pin 12) -40 +10 % remote sense compensation between each sense input and its corresponding out pin 1 v output overvoltage protection non-latching 114 119 130 % overtemperature shutdown (baseplate) non-latching 110 115 120 c auto-restart period applies to all protection features 1.7 2 2.3 s turn-on time from vin time from uvlo to vo=90%v out (nom) resistive load 480 517 530 ms turn-on time from on/off control time from on to vo=90%v out (nom) resistive load 15 22 30 ms rise time vout from 10% to 90% 4 7.5 11 ms on/off control C positive logic on state pin open = on or 2 12 v control current leakage current 0.16 ma off state 0 0.8 v control current sinking 0.3 0.36 ma on/off control C negative logic on state pin shorted to C on/off pin or 0 0.8 v off state pin open = off or 2 12 v thermal characteristics thermal resistance baseplate to ambient converter soldered to 5 x 3.5 x 0.07, 4 layer/2oz copper fr4 pcb. 3.3 c/w 1. a thermal management device, such as a heatsink, is required to ensure proper operation of this device . the thermal management medium is required to maintain baseplate < 105oc for full rated power.
icf series wide input 1000 watt isolated full brick dc- dc www.murata - ps.com/support mdc_icf_a01 page 3 of 16 electrical specifications - icf0442v1xc conditions: t a = 25 oc, airflow = 300 lfm (1.5 m/s), vin = 24vdc, unless otherwise specified. specifications are subj ect to change without notice. parameter notes min typ max units input characteristics operating input voltage range 9 24 36 v input under voltage lockout non-latching turn-on threshold 8.2 8.5 8.8 v turn-off threshold 7.7 8.0 8.3 v lockout hysteresis voltage 0.4 0.55 0.7 v maximum input current vin = 9v, 80% load 89 a vin = 12v, 100% load 92 a vin = 24v, output shorted 350 ma rms input stand-by current converter disabled 2 4 ma input current @ no load converter enabled 330 420 530 ma minimum input capacitance (external) 1) esr < 0.1 1000 f inrush transient 0.19 a 2 s input terminal ripple current, i c 25 mhz bandwidth, 100% load (fig. 5) 3.65 a rms output characteristics output voltage range 23.62 24.00 24.36 v output voltage set point accuracy (no load) 23.90 24.00 24.10 v output regulation over line vin = 9v to 36v 0.05 0.10 % over load vin = 24v, load 0% to 100% 0.05 0.10 % temperature coefficient 0.005 0.015 %/oc overvoltage protection 27.36 31.2 v output ripple and noise C 20 mhz bandwidth (fig. 6) 100% load, c ext =2 x 470 f/70m + 1 f ceramic 200 320 mv pk - pk 50 80 mv rms external load capacitance 1) full load (resistive) c ext (over operating temp range) esr 1000 4700 f m 10 100 output current range (see fig. b) vin = 12v C 36v 0 42 a vin = 9v 0 33.5 a current limit inception vin = 12v C 36v 46 50.2 54.6 a 9v vin < 12v 37 49 54.6 a rms short-circuit current non-latching, continuous 2.0 3.1 6.5 a rms dynamic response load change 50%-75%-50%, di/dt = 1a/s co = 2 x 47 0 f/70m 400 600 mv load change 50%-100%-50%, di/dt = 1a/s co = 2 x 4 70 f/70m 700 mv settling time to 1% of v out 500 s efficiency 100% load vin = 24v 93.6 94.6 95.3 % vin = 12v 92.4 93.4 94.0 % 50% load vin = 24v 95.0 96.0 96.4 % vin = 12v 94.7 95.7 96.3 % 1) section input and output capacitance
icf series wide input 1000 watt isolated full brick dc- dc www.murata - ps.com/support mdc_icf_a01 page 4 of 16 electrical specifications - ICF0536V1XC conditions: t a = 25 oc, airflow = 300 lfm (1.5 m/s), vin = 24vdc, unless otherwise specified. specifications are subj ect to change without notice. 1) section input and output capacitance parameter notes min typ max units operating input voltage range 9 24 36 v input under voltage lockout non-latching turn-on threshold 8.2 8.5 8.8 v turn-off threshold 7.7 8.0 8.3 v lockout hysteresis voltage 0.4 0.55 0.7 v maximum input current vin = 9v, 80% load 89 a vin = 12v, 100% load 92 a vin = 24v, output shorted 330 ma rms input stand-by current converter disabled 2 4 ma input current @ no load converter enabled 400 480 6 00 ma minimum input capacitance (external) 1) esr < 0.1 1000 f inrush transient 0.19 a 2 s input reflected-ripple current, i c 25 mhz bandwidth, 100% load (fig. 6) 2.5 a rms output characteristics nominal output voltage 27.56 28.00 28.42 v output voltage set point accuracy (no load) 27.9 28.00 28.1 v output regulation over line vin = 9v to 36v 0.05 0.10 % over load vin = 24v, load 0% to 100% 0.05 0.10 % temperature coefficient 0.005 0.015 %/oc overvoltage protection 31.9 36.4 v output ripple and noise C 20 mhz bandwidth (fig. 6) 100% load, c ext =2 x 470 f/70m + 1 f ceramic 220 360 mv pk - pk 50 80 mv rms external load capacitance 1) full load (resistive) c ext (over operating temp range) es r 1000 4700 f m 10 100 output current range (see fig. b) vin = 12v C 36v 0 36 a vin = 9v 0 28.8 a current limit inception vin = 12v C 36v 39.6 46.8 a 9v vin < 12v 31.7 46.8 a rms short-circuit current non-latching 1.7 2.5 6.4 a rms dynamic response load change 50%-75%-50%, di/dt = 1a/s co = 2 x 470 f/70m 330 430 mv load change 50%-100%-50%, di/dt = 1a/s co = 2 x 470 f/70m 600 mv settling time to 1% of v out 500 s efficiency 100% load vin = 24v 94.5 95.5 96.2 % vin = 12v 93.0 93.8 94.5 % 50% load vin = 24v 95.5 96.2 97.0 % vin = 12v 94.3 95.4 96.2 %
icf series wide input 1000 watt isolated full brick dc- dc www.murata - ps.com/support mdc_icf_a01 page 5 of 16 environmental and mechanical specifications note: specifications are subject to change without notice. parameter notes min typ max units environmenta l operating humidity non-condensing 95 % storage humidity non-condensing 95 % rohs compliance see murata website http://www.murata-ps.com/en/support/rohs-compliance .html for the complete rohs compliance statement shock and vibration (see note 1) designed to meet mil-std-810g for functional shock and vibration. water washability not recommended for water wash pr ocess. contact the factory for more information. mechanical unit weight 8.55 ounces 242 grams through hole pins diameter pins 3, 3a, 4, 4a, 5, 6, 8 and 9 0.079 0.081 0.083 inches 2.006 2.057 2.108 mm pins 1, 2, 10, 11 and 12 0.038 0.04 0.042 inches 0.965 1.016 1.667 mm through hole pins material pins 3, 3a, 4, 4a, 5, 6 , 8 and 9 14500 or c1100 copper alloy pins 1, 2, 10, 11 and 12 brass alloy 360, ? hard through hole pin finish all pins 100% matte tin over nickel case dimension 4.7 x 2.5 x 0.52 inches 119.38 x 63.50 x 13.21 mm case material plastic: vectra lcp fit30: ?-16 edm finish plastic baseplate material aluminum flatness -0.005 +0.005 inches -0.125 +0.125 mm reliability mtbf telcordia sr-332, method i case 1 50% electrical stress, 40c components 5.4 mhrs emi and regulatory compliance conducted emissions mil-std 461f ce102 with externa l emi filter network (see figs. 23 and 24) 1. the unit must be properly secured to the interface medium (pcb/chassis) by use of the threaded insert s of the unit. figure a: power derating as function of baseplate t emperature \ figure b: output power as function of i nput voltage. 0% 20% 40% 60% 80% 100% 120% 0 20 30 40 50 60 70 80 90 100 105 output power [%] baseplate temperature [c] output power vs. base plate temperature 0 200 400 600 800 1000 1200 9 12 15 18 21 24 27 30 33 36 output power [w] input voltage [v] output power vs. input voltage
icf series wide input 1000 watt isolated full brick dc- dc www.murata - ps.com/support mdc_icf_a01 page 6 of 16 technical notes input fusing the icf converters do not provide internal fusing a nd therefore in some applications external input fuse may be requir ed. use of external fuse is also recommended if there is possi bility for input voltage reversal. for greatest safety, it is recomm ended to use fast blow fuse in the ungrounded input supply line. input reverse polarity protection the icf converters do not have input reverse polari ty. if input voltage polarity is reversed, internal diodes will become forward biased and draw excessive current from the power so urce. if the power source is not current limited or input fuse n ot used, the converter could be permanently damaged. input undervoltage protection input undervoltage lockout is standard with this co nverter. the icf converter will start and regulate properly if the r amping-up input voltage exceeds turn-on threshold of typ. 8.5v (see specification) and remains at or above turn-on threshold. the converter will turn off when the input voltage drops below the turn-off threshold of typical 8v (see specification ) and converter enters hiccup mode and will stay off for 2 seconds. the converter will restart after 2 seconds only if the input volt age is again above the turn-on threshold. the built-on hysteresis and 2 second hiccup time pr events any unstable on/off operation at the low input voltage near turn-on threshold. user should take into account for ir and inductive voltage drop in the input source and input power lines and make sur e that the input voltage to the converter is always above the turn-off threshold voltage under all operating conditions. start-up time the start-up time is specified under two different scenarios: a) startup by on/off remote control (with the input vo ltage above the turn-on threshold voltage) and b) start-up by a pplying the input voltage (with the converter enabled via on/of f remote control). the startup times are measured with maximum resisti ve load as: a) the interval between the point when the ramping input voltage crosses the turn-on threshold and the output voltag e reaches 90% of its nominal value and b) the interval betwee n the point when the converter is enabled by on/off remote cont rol and time when the output voltage reaches 90% of its nominal value. when converter is started by applying the input vol tage with on/off pin active there is delay of 500msec that wa s intentionally provided to prevent potential startup issues especi ally at low input voltages input source impedance because of the switching nature and negative input impedance of dc-dc converters, the input of these converters mus t be driven from the source with both low ac impedance and dc i nput regulation. the icf converters are designed to operate without external components as long as the source voltage has very l ow impedance and reasonable voltage regulation. howeve r, since this is not the case in most applications an additional input capacitor is required to provide proper operations of the icf co nverter. specified values for input capacitor are recommenda tion and need to be adjusted for particular application. due to l arge variation between applications some experimentation may be ne eded. in many applications, the inductance associated wit h the distribution from the power source to the input of the converter can affect the stability and in some cases, if exce ssive, even inhibit operation of the converter. this becomes of great consideration for input voltage at 12v or below. the dc input regulation, associated with resistance between input power source and input of the converter, plays sign ificant role in particular in low input voltage applications such a s 12v battery systems. note that input voltage at the input pins of the co nnector must never degrade below turn-off threshold under all lo ad operating conditions. note that in applications with high pulsating loads additional input as well as output capacitors may be needed. in addi tion, for emi conducted measurement, due to low input voltage it is recommended to use 5h lisns instead of typical 50 h lisns. input/output filtering input capacitor minimum required input capacitance, mounted close t o the input pins of the converter, is 1000f with esr < 0.1v. several criteria need to be met when choosing input capacitor: a) type of capacitor, b) capacitance to provide additi onal energy storage, c) rms current rating, d) esr value that w ill ensure that output impedance of the input filter is lower than input impedance of the converter and its variation over the tempera ture. since inductance of the input power cables could ha ve significant voltage drop due to rate of change of input current di (in)/ dt during transient load operation, an external capacitor on the output of the converter is required to reduce di (in)/ dt . another constraint is minimum rms current rating of the input capacitors which is application dependent. one component of input rms c urrent handled by input capacitor is high frequency compon ent at switching frequency of the converter (typ. 400khz) and is specified under input terminal ripple current i c . typical values at full rated load and 24 vin are provided in section characteristic waveforms for each model and are in range of 2.5a (28vout) C 3.6a (24vout). it is recommended to use ceramic cap acitors for attenuating this component for input terminal rippl e current, which is also required to meet requirement for conducted emi (see emi
www.murata - ps.com/support mdc_icf_a01 page 7 of 16 icf series wide input 1000 watt isolated full brick dc-dc section). the second component of the input ripple current is due to pulsating load current being reflected to the in put and electrolytic capacitors usually used for this purpo se need to be selected accordingly. using several electrolytic ca pacitors in parallel on the input is recommended. esr of the electrolytic capacitors, need to be care fully chosen taken into account temperature dependence. output capacitor similar considerations apply for selecting external output capacitor. for additional high frequency noise atte nuation use of ceramic capacitors is recommended while in order to provide stability of the converter during high pulsating lo ad high value electrolytic capacitor is required. it is recommend ed to use several electrolytic capacitors in parallel in order to red uce effective esr. note that external output capacitor also reduces sl ew rate of the input current during pulsating load transients as d iscussed above. we recommend 2 x 470uf (<40m total esr) or 3 x 330 uf as minimum external output capacitance. on/off (pins 1 and 2) the on/off pin is used to turn the power converter on or off remotely via a system signal and has positive logic . a typical connection for remote on/off function is shown in f ig. 1. fig. 1: circuit configuration for on/off function. the positive logic version turns on when the on/off pin is at logic high and turns off when at logic low. the converte r is on when the on/off pin is either left open or external volt age greater than 2v and not more than 12v is applied between on/off pin and C input pin. see the electrical specifications for lo gic high/low definitions. the negative logic version turns on when the on/off pin is at logic low and turns off when at logic high. the co nverter is on when the on/off pin is either shorted to Cinput pin or kept below 0.8v. the converter is off when the on/off pi n is either left open or external voltage not more than 12v is appli ed between on/off pin and Cinput pin. see the electrical speci fications for logic high/low definitions. the on/off pin is internally pulled up to typically 4.5v via resistor and connected to internal logic circuit via rc circ uit in order to filter out noise that may occur on the on/off pin. a properly de- bounced mechanical switch, open-collector transisto r, or fet can be used to drive the input of the on/off pin. the device must be capable of sinking up to 0.36ma at a low level volt age of 0.8 v. during logic high, the typical maximum voltage at o n/off pin (generated by the converter) is 4.5v, and the maxim um allowable leakage current is 160a. if not using the remote o n/off feature leave the on/off pin open . ttl logic level - the range between 0.81v and 2v i s considered the dead-band. operation in the dead-band is not re commended. external voltage for on/off control should not be a pplied when there is no input power voltage applied to the conv erter. output overcurrent protection (ocp) the converter is protected against overcurrent or s hort circuit conditions. upon sensing an overcurrent condition, the converter will switch to constant current operation and there by begin to reduce output voltage. when the output voltage drop s below approx. 50% of the nominal value of output voltage, the converter will shut down. once the converter has shut down, it will attempt t o restart nominally every 2 seconds. the attempted restart wi ll continue indefinitely until the overload or short circuit co nditions are removed or the output voltage rises above 50% of it s nominal value. once the output current is brought back into its sp ecified range, the converter automatically exits the hiccup mode a nd continues normal operation. during initial startup if output voltage does not e xceed typical 50% of nominal output voltage within 500 msec after the converter is enabled, the converter will be shut do wn and will attempt to restart after 2 seconds. in case of startup into short circuit, internal log ic detects short circuit condition and shuts down converter typical 5 msec after condition is detected. the converter will attempt t o restart after 2 seconds until short circuit condition exists. output overvoltage protection (ovp) the converter will shut down if the output voltage across +out (pins 5 and 6) and Cout (pins 8 and 9) exceeds the threshold of the ovp circuitry. the ovp circuitry contains its o wn reference, independent of the output voltage regulation loop. once the converter has shut down, it will attempt to restart every 2 seconds until the ovp condition is removed. note that ovp threshold is set for nominal output v oltage and not trimmed output voltage value or remote sense voltag e. overtemperature protection (otp) the icf converters have non-latching overtemperatur e protection. it will shut down and disable the output if tempera ture at the center of the base plate exceeds a threshold of 115 c (typical). measured with icf converter soldered to 5 x 3.5 x 0.07 4 layers/ 2 oz cooper fr4 pcb. the converter will automatically restart when the b ase temperature has decreased by approximately 20c.
www.murata - ps.com/support mdc_icf_a01 page 8 of 16 icf series wide input 1000 watt isolated full brick dc-dc safety requirements basic insulation is provided between input and the output. the converters have no internal fuse. to comply with sa fety agencies requirements, a fast-acting or time-delay fuse is t o be provided in the unearthed lead. recommended fuse values are: a) 140a for 9v www.murata - ps.com/support mdc_icf_a01 page 9 of 16 icf series wide input 1000 watt isolated full brick dc-dc trim up C increase output voltage trimming up is accomplished by connecting an external resistor, r trim-up , between the trim (pin 12) and the sense+ (pin 11), with a value of: r trim-up = 4.99 ? vo nom ?(100+?) 1.25? ? (100+2?) ? [k  ] fig. 4: circuit configuration for trim-up function to trim the output voltage up, for example 24v to 2 6.4v, ?=10 and required external resistor is: r trim-up = 4.99 ? 24? 100+10 1.25?10 ? 100+2?10 10 = 1015 k  note that trimming output voltage more than 10% is not recommended and ovp may be tripped. active voltage programming in applications where output voltage need to be adj usted actively, an external voltage source, such as for example a digital-to- analog converter (dac), capable of both sourcing an d sinking current can be used. it should be connected across with series resistor rg across trim (pin 12) and sense- (pin 10 ). external trim voltage should not be applied before converter is enabled in order to provide proper startup output voltage wave form and prevent tripping overvoltage protection. please con tact murata technical representative for more details. thermal consideration the icf converter can operate in a variety of therm al environment. however, in order to ensure reliable operation of t he converter, sufficient cooling should be provided. the icf conv erter is encapsulated in plastic case with metal baseplate o n the top. in order to improve thermal performance, power compone nts inside the unit are thermally coupled to the baseplate. in addition, thermal design of the converter is enhanced by use of input and output pins as heat transfer elements. heat is remo ved from the converter by conduction, convection and radiation. there are several factors such as ambient temperatu re, airflow, converter power dissipation, converter orientation how converter is mounted as well as the need for increased reliabili ty that need to be taken into account in order to achieve required performance. it is highly recommended to measure temperature in the middle of the basepla te in particular application to ensure that proper coolin g of the converter is provided. a reduction in the operating temperatu re of the converter will result in increased reliability. thermal derating there are two most common applications: 1) the icf converter is thermally attached to a cold plate inside chassis w ithout any forced internal air circulation; 2) the icf convert er is mounted in an open chassis on system board with forced airflow wi th or without an additional heatsink attached to the base plate o f the icf converter. the best thermal results are achieved in applicatio n 1) since the converter is cooled entirely by conduction of heat from the top surface of the converter to a cold plate and temper ature of the components is determined by the temperature of the cold plate. there is also some additional heat removal through the converters pins to the metal layers in the system board. it is highly recommended to solder pins to the system board rath er than using receptacles. the icf converter can deliver full pow er as long as temperature of the base plate is below 105 oc . soldering guidelines the rohs-compliant through-hole icf converters use sn/ag/cu pb-free solder and rohs-compliant component. they a re designed to be processed through wave soldering machines. th e pins are 100% matte tin over nickel plated and compatible wi th both pb and pb-free wave soldering processes. it is recomm ended to follow specifications below when installing and sol dering icf converters. exceeding these specifications may caus e damage to the icf converter. wave solder guideline for sn/ag/cu based solders maximum preheat temperature 115 oc maximum pot temperature 270 oc maximum solder dwell time 7 seconds wave solder guideline for sn/pb based solders maximum preheat temperature 105 oc maximum pot temperature 250 oc maximum solder dwell time 6 seconds note: icf converters are not recommended for water wash process. contact the factory for additional informa tion if water wash is necessary.
www.murata - ps.com/support mdc_icf_a01 page 10 of 16 icf series wide input 1000 watt isolated full brick dc-dc test configuration fig. 5: test setup for measuring input reflected ri pple currents i c . fig. 6: test setup for measuring output voltage rip ple, startup and step load transient waveforms
www.murata - ps.com/support mdc_icf_a01 page 11 of 16 icf series wide input 1000 watt isolated full brick dc-dc characteristic curves C efficiency and power dissip ation fig. 7: icf0442v1 efficiency curve fig. 9: icf0536v1 efficiency curve fig. 8: icf0442v1 power dissipation fig. 10: icf0536v1 power dissipation
www.murata - ps.com/support mdc_icf_a01 page 12 of 16 icf series wide input 1000 watt isolated full brick dc-dc characteristic waveforms C icf0442v1 fig. 11: turn-on by on/off transient (with vin appl ied) at full rated load current (resistive) at vin = 24v. top trace (c1): on/off signal (5 v/div.). bottom trace (c4): output voltage (10 v/di v.). time: 5 ms/div. fig. 13: output voltage response to load current st ep change 50% - 75%- 50% (21a?31.5a?21a) with di/dt =1a/s at vin = 24v . top trace (c4): output voltage (200 mv/div.). bottom trace (c3): lo ad current (20a/div.). co = 470f/70m  . time: 1ms/div. fig. 15: output voltage ripple (100 mv/div.) at ful l rated load current into a resistive load at vin = 24 v. co = 2 x 470 f/70m  . time: 2 s/div. fig. 12: turn-on by vin transient (on/off high) at full rated load current (resistive) at vin = 24v. top trace (c2): input vol tage vin (10 v/div.). bottom trace (c4): output voltage (10 v/div.). time: 100 ms/div. fig. 14: output voltage response to load current st ep change 50% - 100%- 50% (21a?42a?21a) with di/dt =1a/s at vin = 24 v. top trace (c4): output voltage (500 mv/div.). bottom trace (c3): load curr ent (20a/div.). co = 2 x 470 f/70m  . time: 1ms/div. fig. 16: input reflected ripple current, i c (500ma/mv), measured at input terminals at full rated load current at vin = 24 v. refer to fig. 2 for test setup. time: 2 s/div. rms input ripple current is 7.3*0.5a = 3.65a rms .
www.murata - ps.com/support mdc_icf_a01 page 13 of 16 icf series wide input 1000 watt isolated full brick dc-dc characteristic waveforms C icf0536v1 fig. 17: turn-on by on/off transient (vin applied) at full rated load current (resistive) at vin = 24v. top trace (c1): on/off signal (5 v/div.). bottom trace (c4): output voltage (10 v/div.). time: 5 ms/ div. fig. 19: output voltage response to load current st ep change 50% - 75%- 50% (18a?28.5a?18a) with di/dt =1a/s at vin = 24v . top trace (c4): output voltage (200 mv/div.). bottom trace (c3): lo ad current (10a/div.). co = 470f/70m  . time: 1ms/div. fig. 21: output voltage ripple (100 mv/div.) at ful l rated load current into a resistive load at vin = 24 v. co = 470 f/70m  . time: 2 s/div. fig. 18: turn-on by vin (on/off high) transient at full rated load current (resistive) at vin = 24v. top trace (c2): input vol tage vin (10 v/div.). bottom trace (c4): output voltage (10 v/div.). time: 100 ms/div. fig. 20: output voltage response to load current st ep change 50% - 100%- 50% (18a?36a?18a) with di/dt =1a/s at vin = 24v . top trace (c4): output voltage (500 mv/div.). bottom trace (c3): load curr ent (10a/div.). co = 470 f/70m  . time: 1ms/div. fig. 22: input reflected ripple current, i c (500 ma/div.), measured at input terminals at full rated load current at vin = 24 v. refer to fig. 2 for test setup. time: 2 s/div. rms input ripple current is 4.968*0.5a = 2.48a rms .
www.murata - ps.com/support mdc_icf_a01 page 14 of 16 icf series wide input 1000 watt isolated full brick dc-dc emc consideration: the filter circuit schematic for suggested input fi lter configuration as tested to meet the conducted emission limits of milstd-461f ce102 base curve i s shown in fig. 23. the plots of conducted emi spectrum measured using 5uh lisns are shown in fig. 24. note: customer is ultimately responsible for the pr oper selection, component rating and verification o f the suggested parts based on the end application. comp. des. description c1, c2, c12, c14 470f/50v/70m  electrolytic capacitor (vishay mal214699108e3 or equivalent) c3, c4, c5, c6 4.7nf/1210/x7r/1500v ceramic capacit or c7, c8, c9, c10, c11, c13 10f/1210/x7r/50v ceramic capacitor l1 cm choke, 130uh, leakage = 0.6uh (4t on toroid 2 2.1mm x 13.7 mm x 7.92 mm) fig. 23: typical input emi filter circuit to attenu ate conducted emissions per milstd-461f ce102 base curve. a) without input filter from fig. 23 (c9 = 2 x 470 f/50v/70m  ) b) with input filter from fig. 23. fig. 24: input conducted emissions measurement (typ .) of icf0442v1.
www.murata - ps.com/support mdc_icf_a01 page 15 of 16 icf series wide input 1000 watt isolated full brick dc-dc mechanical specifications : input/output connections pin label function 1 +on/off ttl input with internal pull up, referenced to on/off pin, used to turn converter on and off 2 -on/off negative input of remote on/off 3 -input negative input voltage 3a -input negative input voltage 4 +input positive input voltage 4a +input positive input voltage 5 +out negative output voltage 6 +out negative output voltage 8 -out positive output voltage 9 -out positive output voltage 10 sense- negative remote sense 11 sense+ positive remote sense 12 trim used to trim output voltage +10/-40% note: pinout as well as pin number and pin diameter are inconsistent between manufacturers of the full brick converters. make sure to follow the pin function, not the pin number, as well as spec f or pin diameter when laying out your board. notes : unless otherwise specified: all dimensions are in inches [millimeter] tolerances: x.xx in. 0.02 in. [x.x mm 0.5mm] x.xxx in. 0.010 in. [x.xx mm 0.25mm] torque fasteners into threaded mounting inserts at 10 in.lbs. or less. greater torque may result in damag e to unit and void the warranty.
www.murata - ps.com/support mdc_icf_a01 page 16 of 16 icf series wide input 1000 watt isolated full brick dc-dc packaging information : 1. shipping tube material: anti-static pvc 2. all end view dimensions are inside dimensions. 3. all dimensions are 0.010?. 4. cardboard shipping box is 16? x 10? x 10? 5. maximum number of units (mpq) per box is 55 conv erters. 6. box is top filled with anti-static shipping pean uts murata power solutions, inc. 11 cabot boulevard, mansfield, ma 02048-1151 u.s.a. iso 9001 and 14001 registered this product is subject to the following operating requirements and the life and safety critical appli cation sales policy: refer to: http://www.murata-ps.com/requirements/ murata power solutions, inc. makes no representatio n that the use of its products in the circuits desc ribed herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therew ith. specifications are subject to change without notice. ? 2016 murata power solutions, inc.


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