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mil-std-461 emi input fil ter fgds-10a-50v : up to 10a current gaia converter fc05-063.03/10 revision a ? redefining the source of power for locations, phone, fax, e-mail see back cover 6 10a emi filter module 9 to 50 vdc input range mil-std-461d/e compliant 1-general the gaia converter filter module fgds-10a-50vprovides a state-of-the-art product to fulfill electromagnetic interferences (emi) requirements for aerospace and defence applications.the fgds-10a-50v is a very compact and low loss solution for applications requiring up to 10a input current. the fgds-10a-50v complies with major standards including : ? the us mil-std-461 rev d, e and rev f ? the international do-160 rev c, d, e and rev f in parti cular , th e filter m od ule is compli an t with the following requirements of mil-std-461d/eand do-160-c/d/e/f standards : ? mil-std-461d/e/f part 2. & 3. requirements : ? conducted emission (ce) ? ce102, power leads, emission over 10khz to 10mhz, basic curve? conducted susceptibility (cs) ? cs101, power leads, frequency 30hz to 150khz, curve #1 ? cs114, bulk cable injection, frequency 10khz to 400mhz, ? cs115, spikes, bulk cable injection calibrated spike ? cs116, damped sinusoidal transient ? do-160-c/d/e/f requirements : ? conducted emission (ce) ? section 21 power lines, emission over 15khz to 30mhz, category b, az & lmh? conducted susceptibility (cs) ? section 20 power lines, frequency 10khz to 400mhz ? section 22 : lightning induced transient susceptibility in addition, this filter withstands in a transpa-rent state without dammage the transient and spike requirements of : ? mil-std-704a with 80v/100ms & 600v/10s ? mil-std-1275b with 100v/50ms & 250v/70s the fgds-10a-50v is suitable for all gaia converterdc/dc converters and dc architecture ? from 25w up to 150w output power ? up to 10a output current ? up to 50v permanent input voltage. hi-relgrade hi-relgrade ? t o comply with mil-std-461d/e/f po w er leads : ? ce 102 : emission requirement over 1 0 k hz to 10mhz ? cs 1 01 : susceptibility requirement over 30hz to 1 50 k hz ? cs 114 : susceptibility requirement over 1 0khz to 400mhz ? cs 115 : susceptibility requirement for spikes ? t o comply with do-160c/d/e/f po w er lines : ? conducted e mission requirement over 1 5 k hz to 30mhz ? conducted s usceptibility requirement over 1 0hz to 40 0 m hz ? susceptibility requirement for induced transients ? t emper atur e r ange : ? operating temperature : -40c/+105c case ? storage temperature : -55c/+125c ? rohs process 2-product selection options : /t : option for -55c start up operating temperature /s : option for screening and serialization fgds-10a-50v option /
for locations, phone, fax, e-mail see back cover 2 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 3- electrical specifications data are valid at +25c, unless otherwise specified. parameter conditions limit or typical units fgds-10a-50v input nominal input voltage full temperature range nominal v dc 28 permanent input voltage range (ui) full temperature range min. - max. vdc 9 - 50 transient input voltage full temperature range full load maximum maximum vdc/ms vdc/ms 80/100 100/50 output permanent output current full temperature range up to 105c case ui min. to max. maximum a 10 permanent output power full temperature range up to 105c case ui min. to max. maximum w 150 power dissipation current 10a @ 25c current 10a @ 85c maximum maximum ww 1 1,4 thermal resistance case to ambient in free air cooling nominal c/w 16 general electrical strengh test voltage case to any pin gnd pin to any other pin minimum minimum vdc vdc 500 500 reliability data mtbf according mil-hdbk-217f conditions gf conditions aic @40c @85c @40c @85c hours hours hours hours 27 000 000 7 000 000 13 000 000 3 500 000 emi compliance conducted emission power leads power lines power lines mil-std-461d/e/f do-160c catb & az do-160d/e/f catb & lmh ce102 section 21 section 21 see section 6 see section 6 see section 6 spikes & surges withstands 50 ohms impedance 0.1 ohm impedance 50 ohm impedance 10a 15 mj energy content 50 ohm impedance mil-std-461c mil-std-461c mil-std-461d/e/f mil-std-461d/e/f mil-std-1275b do-160c/d/e/f cs06 : 600v/10s cs06 : 200v/150ns cs115 cs116 level 250v/70s section 17 : 600v/10s compliant compliant compliant compliant compliant compliant
for locations, phone, fax, e-mail see back cover 3 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 4- emi filter electrical schematics the gaia converter fgds-10a-50v is suitable for all gaia converter dc/dc converters and combinations : ? from 25w up to 150w total output power and up to 10a output current ? up to 50v permanent input voltage and up to 100v transient input voltage during 50ms. 4-1 emi filter electrical schematics in front of modulesthe gaia converter fgds-10a-50v can be used directly in front of any dc/dc converter and combination of dc/dc converters from 50w up to 200w power and up to 10a input current. in order to meet the emi requirements of mil-std-461d/e/f or do-160c/d/e/f it is necessary to use 2 fgds-10a-50v in series as shown in the following figure. for better emi performance and stability purpose gaia converter recommends to use a rc cell (see section 4) together with common mode noise capacitance (10nf typical) connected to the converters as it is detailed in individual dc/dc converter datasheet. 4-2 emi filter electrical schematics in a complete front-end architecture the following figure describes a typical schematics using the fgds-10a-50v emi filter combined with the transient and spike protection module lgds-300 and the hold-up module hugd-50. this schematics is designed to propose a solution to achieve : ? emi filtering compliant with conducted emission ? transient and spike protection ? reverse polarity protection ? power interruption. fgds-10a-50v vcl 3 hugd50 go +vo gi vi 5 6 14 vc 7 vth 2 pf fgds-10a-50v go +vo gi vi mgdm-series go +vo gi vi mgdm-series go +vo gi vi mgdm-series lgds-300 +vo drive vi gi 12 3 78 9 4 5 220k bav70 10k c* r* go vo gi vi gnd emi input filter fgds-10a-50v go vo gi vi gnd emi input filter fgds-10a-50v cc cc cc cc bp bp bp: base plate mgdm-series gin vin vo go
for locations, phone, fax, e-mail see back cover 4 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 4- emi filter electrical schematics (continued) 4-3 r*c* network discussiont he rc damping network is a network used for stability purposes in negative input impedance systems such as dc/dc converters.r and c is a network whose function is to lower the filter?s output impedance. the value of the capacitor c strongly depends on the application?s conditions (input voltage range and total power drawn from the source) as well as the standards that the equipment has to meet mil-std-461c, or d/e, ... this because measurements method (lisn) differs from one standard to another affecting the c value. dc/dc converters are negative input impedance systems whereas a filter composed of passive elements displays a positive output imped an ce to th e converter . t o en sur e th e stability o f th e wh ole system ?li sn + input filter + dc/dc converters?, th e filter output impedance must be kept below the converter?s input impedance, which is given by the following formula : v in 2 v in 2 x zin = ____ = _________ pin po where : vin is the converter input voltage, pin is th e converter input power , po is the converter output power is th e effi ci en cy o f th e converter . as it can be seen from the preceding equation, the worst case for system?s stability is at vin min , so this is the condition which should be considered for the filter design.as the filter is made of low esr inductors and ceramic capacitors, it has an important quality factor q which causes a sharp increase of the filter?s output impedance at the resonant frequency and leads to a violation of the stability criteria, causing the system to break into oscillations. con sequen tly , th e values o f c an d r have to be adjusted to d ampen suffi ci en tly th e filter?s r eson an ce an d m ak e its output impedance lower than the converter?s input impedance (a 10db margin between both values is recommended).the following formula can be used to determine the capacitor value : ( 2 x l lisn + 4 .10 -6 ) x po x k c > ________________________________________ v in 2 x (r + r l ) where : l lisn is the lisn inductor value po is the filter output powerr is the capacitor esr (equivalent series resistor) of c r l is th e input bus equivalen t r esistor . i t is th e sum o f th e lin e + li sn n etwork + input conn ector r esistors k is th e stability m ar gin f actor . this factor is given by the following formula : stability margin (db) = 20 log (k) vin is the converter input voltage in most of the typical applications an aluminium electrolytic capacitor is used for damping the network. it?s internal esrvalue will be en ough to d ampen th e input voltag e with out ad din g e xtern al r esistor . th e f ollowin g table gives typi cal capacitor value depending on power used. total power 75w 100w 150w 200w capacitor value 100f 150f 200f 270f
for locations, phone, fax, e-mail see back cover 5 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 5- mil-std-461d/e/f conducted emission t ests set-up 5-1 mil-std-461d/e/f measurement method the conducted noise emission measurementmethod is described in the mil-std-461d/e stan- dards. th e ?dut? (devi ce u nd er t est) is power ed thru a 2 meters length parallel wire. one end is terminated with the dut and the otherend is terminated with lisn networks. the measurements are made with a measurement r eceiver , th e unit bein g dbv to 50 ohms input receiver +28v out +28v in return out return in 2m dut lisn lisn to 50 ohms termination
for locations, phone, fax, e-mail see back cover 6 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 6- mil-std-461e conducted emission level resultsmil-std-461e : mgds-75-h-f with fgds-10a-50v mil-std-461e : mgds-100-m-26 with fgds-10a-50v mil-std-461e : mgds-150-h-j with fgds-10a-50v mil-std-461e : 2 x mgds-75-h-j with fgds-10a-50v
for locations, phone, fax, e-mail see back cover 7 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 6- d0-160c conducted emission level resultsdo-160c : mgds-75-h-f with fgds-10a-50v do-160c : mgds-75-o-c with fgds-10a-50v do-160c : mgds-100-m-26 with fgds-10a-50v do-160c : mgds-150-h-j with fgds-10a-50v
for locations, phone, fax, e-mail see back cover 8 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 6- d0-160e conducted emission level resultsdo-160e : mgds-75-h-f with fgds-10a-50v do-160e : mgds-75-o-c with fgds-10a-50v do-160e : mgds-100-m-26 with fgds-10a-50v do-160e : mgds-150-h-j with fgds-10a-50v
for locations, phone, fax, e-mail see back cover 9 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 7- environmental qualifications the modules have been subjected to the following environmental qualifications. characteristics conditions severity test procedure climatic qualifications life at high temperature duration temperature / status of unit test d : 1.000 hrs @ 105c case, unit operating @ 125c ambient, unit not operating mil-std-202g method 108a altitude altitude level c duration climb up stabilization status of unit 40.000 ft@-55c 30 min. 1.000 ft/min to 70.000 f@-55c, 30 min. unit operating mil-std-810e method 500.3 humidity cyclic number of cycle cycle duration relative humidity variation temperature variation status of unit 10 cycle i : 24 hrs 60 % to 88 % 31c to 41c unit not operating mil-std-810e method 507.3 humidity steady damp heat temperature duration status of unit 93 % relative humidity 40c 56 days unit not operating mil-std-202g method 103b salt atmosphere temperature concentration nacl duration status of unit 35c 5 % 48 hrs unit not operating mil-std-810e method 509.3 temperature cycling number of cycles temperature change transfert time steady state time status of unit 200 -40c / +85c 40 min. 20 min. unit operating mil-std-202a method 102a temperature shock number of shocks temperature change transfert time steady state time status of unit 100 -55c / +105c 10 sec. 20 min. unit not operating mil-std-202g method 107g mechanical qualifications vibration (sinusoidal) number of cycles frequency / amplitude frequency / acceleration duration status of unit 10 cycles in each axis 10 to 60 hz / 0.7 mm 60 to 2000 hz / 10 g 2h 30 min. per axis unit not operating mil-std-810d method 514.3 shock (half sinus) number of shocks peak acceleration duration shock form status of unit 3 shocks in each axis 100 g 6 ms 1/2 sinusoidal unit not operating mil-std-810d method 516.3 bump (half sinus) number of bumps peak acceleration duration status of unit 2000 bumps in each axis 40 g 6 ms unit not operating mil-std-810d method 516.3
for locations, phone, fax, e-mail see back cover 10 emi filter fgds-10a-50v gaia converter fc05-063.03/10 revision a ? 6 hi-relgrade 8- dimensions11- connections dim en si on ar e given in mm. t oler an ce : +/- 0,2 mm unless oth erwise in di cated . weight : 25 grams (0.882 ozs) max. pin single 1 + input (vi) 2 - input (gi) 3 - output (go) 4 + output (vo) 5 ground (gnd) 6 ground (gnd) 43 12 5 6 bottom view 9- materials case : metallic case black anodized coating.pins : plated with pure matte tin over nickel underplate. 10- product marking upper face : company logo, location of manufacturing.side face : module reference, option, date code : year and week of manufacturing.
inf orm ati on given in this d atash eet is beli eved to be accur ate an d r eli able . h owever , no r espon sibility is assum ed f or th e con sequen ce o f its use n or f or an y infrin g em en t o f paten ts or oth er ri gh ts o f thir d parti es whi ch m ay r esult fr om its use . th ese pr od u cts ar e sold only accor din g to g aia converter g en er al con diti on s o f sale , unless oth erwise confirm ed by writin g. specifi cati on s subject to chan g e with out n oti ce . printed in france by gaia converter gaia converter fc05-63.03/10 revision a. graphisme : philippe clicq repr esen ted by : for m or e d etailed specifi cati on s an d appli cati on s inf orm ati on, con tact : international headquarters marketing and sales department ga?a converter - france addr ess : b .p . 26 - 33186 le haillan - france t el. : + (33)-5-57-92-12-80 fax : + (33)-5-57-92-12-89 north american headquarter s g a?a converter can ad a, in c address : 6611 thimensst -la urent , quebec - canad a h4s 1w2 t el. : (514)-333-3169 fax : (514)-333-4519 6

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