mil-std-461 emi input fil ter FGDS-2A-50V up to 2a current gaia converter fc05-050.01/10 revision d ? redefining the source of power for locations, phone, fax, e-mail see back cover 6 2a emi filter module 9 to 50 vdc input range mil-std-461c/d/e/f compliant 1-general the gaia converter filter module FGDS-2A-50Vprovides a state-of-the-art product to fulfill electromagnetic interferences (emi) requirements for aerospace/defence applications. the FGDS-2A-50V complies with major standards including : ? the us mil-std-461 rev c, 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-461 anddo-160 standards : ? mil-std-461c part 2. & 3. requirements : ? conducted emission (ce) ? ce03, power leads, emission over 15khz to 50mhz, narrowband, class a1 ? ce03, power leads, emission over 15khz, broadband, class a1 curve# 1 & 2 ? conducted susceptibility (cs) ? cs01, power leads, frequency over 30hz to 50khz, class a1, consult factory for criteria ? cs02, power leads, frequency 15khz to 400mhz, class a1 ? cs06, power leads, spike #1 ? 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 in addition, this filter withstands in a transparentstate 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-2A-50V is suitable for all gaiaconverter dc/dc converters and architecture ? from 4w up to 50w output power ? up to 2a output current ? up to 50v permanent input voltage. 2-product selection hi-relgrade hi-relgrade ? t o comply with mil-std-461d/e/f po w er leads : ? ce 102 : emission requirement over 1 0k 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 mil-std-461c po w er leads : ? ce 03 : emission requirement over 15k hz to 50mhz ? cs 01 : susceptibility requirement over 30hz to 50 k hz ? cs 02 : susceptibility requirement over 15 khz to 400mhz ? cs 06 : susceptibility requirement for spikes ? t o comply with do-160c/d/e/f po w er lines : ? c onducted e mission requirement over 15k hz to 30mhz ? c onducted s usceptibility requirement over 1 0 k hz to 400m hz ? susceptibility requirement for induced transients ? t emper atur e r ange : ? operating temperature : -40c/+105c case ? storage temperature : -55c/+125c ? rohs process options : /t : option for -55c start up operating temperature /s : option for screening and serialization FGDS-2A-50V option /
for locations, phone, fax, e-mail see back cover 2 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 3- electrical specifications data are valid at +25c, unless otherwise specified. parameter conditions limit or typical units FGDS-2A-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 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 2 permanent output power full temperature range up to 105c case ui min. to max. maximum w 50 power dissipation maximum output current maximum w 1 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 23 000 000 6 000 000 12 300 000 3 300 000 emi compliance conducted emission power leads power leads power lines power lines mil-std-461c mil-std-461d/e/f do-160c cata, b & z do-160d/e/f cat b & lmh ce03 ce102 section 21 section 21 see section 6 see section 6 // spikes & surges withstands 50 ohm 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-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 4- emi filter electrical schematics the gaia converter FGDS-2A-50V is suitable for all gaia converter dc/dc converters and combinations : ? from 4w up to 50w total output power and up to 2a 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 mgdm-04/10/18/20/26 & cgdm series the gaia converter FGDS-2A-50V can be used directly in front of any dc/dc converter and combinationsusing of mgdm-04, mgdm-10, mgdm-18, mgdm-20, mgdm-26 and cgdm series. for better emi performance and stability purpose, gaia converter recommends to use a rc cell (see section 4-4) together with a common mode n oise capacitan ce cc (10nf typi cal) conn ected between gin an d gout pin s o f each dc/dc converter . c* r* mgdm-series go vo gi vi cc go vo gi vi gnd emi input filter FGDS-2A-50V 4-2 emi filter electrical schematics in front of mgdm-25, mgdm-35 series the gaia converter FGDS-2A-50V can be used by adding an lc cell in front of any dc/dc converter and combinationsof mgdm-25, mgdm-35 series. for better emi performance and stability purpose, gaia converter recommends to use a rc cell (see section 4-4) and a lc cell (l=4.7h, c=4.7f) together with a common mode noise capacitance cc (10nf typi cal) conn ected between gin an d gout pin s o f each dc/dc converter . c* r* mgdm-series go vo gi vi cc lc cell go vo gi vi gnd emi input filter FGDS-2A-50V 4-3 emi filter electrical schematics in front of pre-regulator pgds series : the gaia converter FGDS-2A-50V can be used directly in front of pre-regulators pgds series with any dc/dcconverter and combinations of mgdm-04, mgdm-10, mgdm-18, mgdm-20, mgdm-26 and cgdm series. for better emi performance and stability purposes, gaia converter recommends to use a rc cell (see section 4-4) tog eth er with a comm on m od e n oise capacitan ce cc (10nf typi cal) conn ected between gin an d gout pin s o f each converter . mgdm-series go vo gi vi cc go vo gi vi gnd emi input filter FGDS-2A-50V on/off pgds50 go vo gi vi vimes c* r*
for locations, phone, fax, e-mail see back cover 4 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 4- emi filter electrical schematics (continued) 4-4 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 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 : ( 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 serial 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
for locations, phone, fax, e-mail see back cover 5 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 5- mil-std-461c/d/e/f conducted emission t ests set-up 5-2 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 5-1 mil-std-461c measurement method the conducted noise emission measurementmethod of mil-std-461c is described in mil- std-462c standard. th e ?dut? (devi ce u nd er t est) is power ed thru a 1 meter lengh parallel wire. one end is terminated with the dut and the otherend is terminated with 10f capacitors to the ground plane. the measurements are made with a current probe, the unit of measurement being dba. current probe to 50 ohms input +28v out +28v in return out return in 10f 10f 1m dut
for locations, phone, fax, e-mail see back cover 6 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 6- mil-std-461c & mil-std-461e conducted emission level results mil-std-461c : mgds-o4-h-c with FGDS-2A-50V mil-std-461e : mgds-o4-h-c with FGDS-2A-50V mil-std-461c : mgds-10-j-c with FGDS-2A-50V mil-std-461e : mgds-10-j-c with FGDS-2A-50V mil-std-461c : 3 x mgds-10-j-c with FGDS-2A-50V mil-std-461e : 3 x mgds-10-j-c with FGDS-2A-50V
for locations, phone, fax, e-mail see back cover 7 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 6- mil-std-461c & mil-std-461e conducted emission level results mil-std-461c : mgds-26-h-c with FGDS-2A-50V mil-std-461e : mgds-26-h-c with FGDS-2A-50V mil-std-461c : mgds-35-h-c with FGDS-2A-50V mil-std-461e : mgds-35-h-c with FGDS-2A-50V
for locations, phone, fax, e-mail see back cover 8 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 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 9 emi filter FGDS-2A-50V gaia converter fc05-050.01/10 revision d ? 6 hi-relgrade 8- dimensions11- connections dim en si on ar e given in mm (in ch es). t oler an ce : +/- 0,2 mm (+/- 0.01 ?) unless oth erwise in di cated . weight : 10 grams (0.3 ozs) max. pin dimensions : o 0,73 mm (0.029 ?) 35,50
(1.4") 27,94
(1.10") 10,20
(0.4") 5 min
(0,20") 15,24
(0.60") 20,50
(0.80") 10,70
(0.42") 7,62
(0.30") 5 1 4 2 3 bottom view pin single 1 + input (vi) 2 + output (vo) 3 ground (gnd) 4 - output (go) 5 - input (gi) 9- materials case : plastic casepins : 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 fc05-050.01/10 revision d. 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 ga?a converter - france zi de la morandire 33185 le haillan - france t el. : + (33)-5-57-92-12-80 fax : + (33)-5-57-92-12-89 north american headquarter s ga?a converter canada, inc4038 le corbusier blvd la v al, quebec - canad a h7l 5r2 t el. : (514)-333-3169 fax : (514)-333-4519 6
|
