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multiple output model : cgdm- hi-rel dc/dc converter cgdm tethys : 30w power ? 28 vdc input compliant with mil-std-704d/e highly configurable dc/dc converter up to 6 outputs and 3 independant line regulations low profile : 0,33 ? ( 8.5mm) nominal power of 30 w without derating wide temperature range : -40c/+105c case galvanic isolation 1.500 vdc integrated lc emi filter permanent short circuit protection external trim and sense adjustment : +/-5% inhibit function gaia converter fc97-019.08/06 revision j ? redefining the source of power 1-general hi-rel grade for locations, phone, fax, e-mail see back cover 2-product selection input voltage range 3 : 3.3 vdc 5 : 5 vdc 5b : +/-5vdc 12 : 12 vdc 12b : +/-12vdc 15 : 15 vdc 15b : +/-15vdc 24 : 24 vdc 24b : +/- 24vdc permanent h : 9-36 vdc j : 16-40 vdc* output 4 the tethys 30w series is a full family of highly configurable dc/dc low profile power module designed for direct implementation on high density printed circuit boards designed for aerospace, military and high-end industrial ap- plications. this module uses a high frequency fixed swiching technic at 480 khz providing ex- cellent reliability, low noise characteristics and low profile package. this model is available with nominal input voltages as 12 or 28 volts in range of 9-36 or 16-40 volts. the serie includes thousands of output configuration from single, bi up to six possible output voltages in choices of 3,3, 5, 12, 15, 24 volts with trim and sense functions for output voltage adjustment. no external heatsink is required for the for cgdm series to supply 30w output power over the case temperature range of -40c up to 105c. all the modules are designed with lc network filters to minimize reflected input current ripple and output voltage ripple. configurable multiple outputs metallic case - 1.500 vdc isolation transient 40 vdc/100 ms* 50 vdc/100 ms* * consult factory for details the modules include undervoltage lock-out, a permanent short circuit protection an output overvoltage protection and a thermal protection to ensure efficient module protections. the soft-start allows current limitation and eliminates inrush current during start-up. the short circuit protection completely protects the module against short-circuits of any duration by a shut-down and restores to normal when the overload is removed. the thermal protection is adjusted to 110c and protects the module against overheat. the inhibit function is commanded with a low logic level and disables the module for applica- tions requiring on/off operations. the design has been carried out with surface mount components and is manufactured in a fully automated process to guarantee high quality. each module is tested and burned-in with a gaia converter automated test equipment.
for locations, phone, fax, e-mail see back cover 2 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 2- product selection (continued) converter selection chart c g d m - q - 5 - 0 - 12b /t input voltage range : h : 9-36 vdc j : 16-40 vdc* input voltage range : 5 : 5 vdc, 20w first line 12b : +/-12 vdc, 10w second line see table page 1 for complete possibilities input voltage range designation h j output voltage single line model : cgdm- o o > 30 w first line output : primary output dual line model : cgdm- o > 20 w first line output : primary output > 10 w second line output : secondary output triple line model : cgdm- > 10 w on each line output : primary and secondary outputs permanent 9-36 vdc 16-40 vdc* designation 3 5 5b 12 12b 15 15b 24 24b output voltage 3.3 vdc 5 vdc +/-5vdc 12 vdc +/-12vdc 15 vdc +/-15vdc 24 vdc +/-24vdc first line output functions : trim function at +/- 5% sense function at +/- 5% tight regulation below 1% indefinite short circuit protection secondary line output functions : independant regulation from primary output indefinite short circuit protection * for 45 vdc consult factory options : /t : -55c start up operating temp. /s : option for screening and serialization (consult application note ?screening grades?).
for locations, phone, fax, e-mail see back cover 3 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 3- electrical specifications data are valid at +25c, unless otherwise specified. note * : for proper operation the cgdi module requires to install a 22f chemical or tantalum capacitance accross output term inals. note ** : for 9-36v inpt range, the power is derated at 80% at 9v and increases linearly to full power at 12v. note*** : the ripple output voltage is the periodic ac component imposed on the output voltage, an aperiodic and random compone nt (noise) has also to be considered. this noise can be reduced by adding an external capacitor (typically 10nf/rated voltage depending on isolation requirement) connected between the pin gin and the pin gout of the converter. this capacitor should be layed-out as close as possible from the converter. note **** : for load regulation characteristics from 0% to full load, please contact factory. parameter conditions limit or typical units cgdm-h cgdm-j input nominal input voltage full temperature range nominal vdc 20 28 permanent input voltage range (ui) full temperature range min. - max. vdc 9-36 16-40 transient input voltage full load (consult factory) maximum vdc/s 40/0,1 50/0,1 undervoltage lock-out (uvlo) threshold minimum maximum vdc vdc 7 8,5 12 15 start up time ui nominal nominal output full load : resistive maximum ms 40 40 reflected ripple current ui nominal, full load at switching freq. bw = 20mhz maximum mapp 50 50 input current in short circuit mode (average) ui nominal short-circuit maximum ma 60 60 no load input current ui nominal no load maximum ma 60 60 primary output output voltage * ui min. to max. 75% load nominal vdc 3,3v , 5v , 12v , 15v or 24v consult factory for other outputs set point accuracy + line regulation + load regulation ambient temperature : +25c ui min. to max. 25% to full load maximum % +/- 1 +/- 1 output power ** full temperature range ui min. to max. maximum w 10, 20 or 30 (limited to respectively 2a, 4a or 6a max.) ripple output voltage *** 3,3v and 5v output 12v output 15v and 24v output ui nominal full load bw = 20mhz maximum maximum maximum mvpp mvpp mvpp 40 50 60 40 50 60 trim function ui nominal maximum minimum % % + 5 - 5 + 5 - 5 sense function ui nominal maximum minimum % % + 5 - 5 + 5 - 5 secondary output output voltage * ui min. to max. 75% load nominal vdc 3,3v , 5v , 12v , 15v or 24v +/- 5v , +/- 12v , +/- 15v or +/- 24v consult factory for other outputs set point accuracy ambient temperature : +25c ui nominal, 75% load maximum % +/- 2 +/- 2 output power** full temperature range ui min. to max. maximum w 10 or 20 (limited to respectively 2a, 4a max) 10 or 20 (limited to respectively 2a, 4a max) ripple output voltage *** 3,3v, 5v and +/-5v output 12v and +/-12v output 15v and +/-15v output 24v and +/-24v output ui nominal full load bw = 20mhz maximum maximum maximum maximum mvpp mvpp mvpp mvpp 40 50 60 60 40 50 60 60 line regulation ui min. to max. full load maximum % +/- 1 +/- 1 load regulation **** ui nominal 25% to full load maximum % +/- 2,5 +/- 2,5
for locations, phone, fax, e-mail see back cover 4 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 3- electrical specifications (continued) 7.5 15 22.5 30 output power (w) (cgdm-h-5-0-0 module) figure 1 : typical efficiency versus load at nominal input efficiency (%) 83 80 77 74 71 68 65 input 12v 7.5 15 22.5 30 output power (w) (cgdm-h-15-0-0 module) figure 3 : typical efficiency versus load at nominal input efficiency (%) 85 82 79 76 73 70 67 input 12v 7.5 15 22.5 30 output power (w) (cgdm-h-12-0-0 module) figure 2 : typical efficiency versus load at nominal input efficiency (%) 85 82 79 76 73 70 67 input 12v 7.5 15 22.5 30 output power (w) (cgdm-j-5-0-0 module) figure 4 : typical efficiency versus load at various input efficiency (%) 83 80 77 74 71 68 65 input 28v input 40v input 16v 7.5 15 22.5 30 output power (w) (cgdm-j-15-0-0 module) figure 6 : typical efficiency versus load at various input efficiency (%) 86 83 80 77 74 71 68 input 16v input 40v input 28v 7.5 15 22.5 30 output power (w) (cgdm-j-12-0-0 module) figure 5 : typical efficiency versus load at various input efficiency (%) 86 83 80 77 74 71 68 input 16v input 40v input 28v 2.5 5 7.5 10 output power on primary output (w) (cgdm-j-5-15-0 module) figure 7 : typical load regulation characteristics on primary output 5vdc at nominal input output voltage (vdc) 5,3 5,2 5,1 5,0 4,9 4,8 4,7 input 28v 2.5 5 7.5 10 output power on primary output (w) (cgdm-j-15-5-0 module) figure 9 : typical load regulation characteristics on primary output 15vdc at nominal input output voltage (vdc) 15,3 15,2 15,1 15,0 14,9 14,8 14,7 input 28v 2.5 5 7.5 10 output power on primary output (w) (cgdm-j-12-5-0 module) figure 8 : typical load regulation characteristics on primary output 12vdc at nominal input output voltage (vdc) 12,3 12,2 12,1 12,0 11,9 11,8 11,7 input 28v 2.5 5 7.5 10 output power on secondary output (w) (cgdm-j-15-0-5 module) figure 10 : typical load regulation characteristics on secondary output 5vdc at nominal input output voltage (vdc) 5,3 5,2 5,1 5,0 4,9 4,8 4,7 input 28v 2.5 5 7.5 10 output power on secondary output(w) (cgdm-j-5-0-15 module) figure 12 : typical load regulation characteristics on secondary output 15vdc at nominal input output voltage (vdc) 15,3 15,2 15,1 15,0 14,9 14,8 14,7 input 28v 2.5 5 7.5 10 output power on secondary output (w) (cgdm-j-5-0-12 module) figure 11 : typical load regulation characteristics on secondary output 12vdc at nominal input output voltage (vdc) 12,3 12,2 12,1 12,0 11,9 11,8 11,7 input 28v
for locations, phone, fax, e-mail see back cover 5 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 4- switching frequency 6- protection functions characteristics protection device recovery limit or typical specifications output short circuit protection (scp) hiccup circuitry with auto-recovery automatic recovery permanent see section 11 output overvoltage protection (ovp) zener clamp / maximum maximum maximum maximum for 3.3v : 4v for 5v : 6v for 12v : 14v for 15v : 17v over temperature protection (otp) thermal device with hysteresis cycle automatic recovery nominal 115c 7- reliability data parameter conditions limit or typical specifications switching frequency full temperature range ui min. to max. no load to full load nominal, fixed 9-36 vdc input : 480 khz 16-40 vdc input : 480 khz 5- isolation characteristics conditions t emperature specifications mean time between failure (mtbf) according to mil-hdbk-217f ground fixed (gf) case at 40c case at 85c 965.000 hrs 385.000 hrs airborne, inhabited, cargo (aic) case at 40c case at 85c 260.000 hrs 115.000 hrs mean time between failure (mtbf) according to iec-62380-tr avionics military cargo / consult factory parameter conditions limit or typical specifications electric strength test voltage (basic version) input to output minimum 1.500 vdc / 1 min electric strength test voltage between outputs (for outputs of the same line of regulation) output to output minimum no isolation electric strength test voltage between outputs (for outputs of different line of regulation) output to output minimum 1.500 vdc/ / 1 min. isolation resistance 500 vdc minimum 100 mohm
for locations, phone, fax, e-mail see back cover 6 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 8-1 module compliance with mil-std-461c/d/e standards to meet the latest us military standards mil-std-461d/e (and also the mil-std-461c) requirements and in particular the conducted noise emission ce102 (and also ce03) requirements, ga?a converter can propose a stand-alone ready-to-use emi filter module. this emi filter module has to be used together with a common mode noise capacitance c c (10nf/rated voltage depending on isolation requirement) connected between gin and gout. emi filter module reference : fgdm-2a-50v. please consult emi filter datasheet for further details. 8- electromagnetic interference electromagnetic interference requirements according to mil-std-461c/d/e standards can be easily achieved as indicated in the following section. the following table resumes the different sections covered by these standards. standard requirements mil-std-461c standard mil-std-461d/e standard compliance with gaia converter module & common mode capacitance conducted emission (ce) : low frequency high frequency ce 01 ce 03 ce 101 ce 102 compliant module stand-alone compliant with additionnal filter conducted susceptibility (cs) : low frequency high frequency cs 01 cs 02 cs 101 cs114 compliant with additionnal filter compliant with additionnal filter radiated emission (re) : magnetic field electrical field re 01 re 02 re 101 re 102 compliant module stand-alone compliant module stand-alone radiated susceptibility (rs) : magnetic field electrical field rs 01 rs 03 rs 101 rs 103 compliant module stand-alone compliant module stand-alone compliance description applicability see section 8-1 j input module see section 8-2 all input module (*) must be placed as close as possible to the converter in order to reduce the path length. mgdm-series go vo gi vi cc emi input filter go vo gi vi
for locations, phone, fax, e-mail see back cover 7 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 9- thermal characteristics characteristics conditions limit or typical performances operating ambient temperature range at full load ambient temperature * minimum maximum - 40c + 85c operating case temperature range at full load case temperature minimum maximum - 40c +105c storage temperature range non functionning minimum maximum - 55c + 125c thermal resistance rth case to ambient in free air natural convection typical 4c /w note * : the upper temperature range depends on configuration, the user must assure a max. case temperature of + 105c. 10 100 30 110 80 70 60 90 20 40 50 25% 75% 50% 100% power (w) temperature (?c) full load ambient temperature without derating : 85?c maximum case temperature : 105?c natural convection operation area additionnal cooling operation area maximum storage temperature : 125?c the cgdm series operating case temperature must not exceed 105c. the maximum ambient temperature admissible for the dc/dc converter corresponding to the maximum operating case temperature of 105c depends on the ambient airflow, the mounting/orientation, the cooling features and the power dissipated. to calculate a maximum admissible ambient temperature the following method can be used. knowing the maximum case temparature tcase = 105c of the module, the power used pout and the efficienc y h : determine the power dissipated by the module pdiss that should be evacuated : pdiss = pout(1/ h h h h h - 1) determine the maximum ambient temperature : ta = 105c - rth x pdiss where rth is the thermal resistance from the case to ambient . the previous thermal calculation shows two areas of operation : a normal operation area in a free natural ambient convection (grey area in this following graph), an area with cooling features (air flow or heatsink) ensuring a maximum case temperature below the maximum operating case temperature of 105c (white area in the following graph).
for locations, phone, fax, e-mail see back cover 8 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 10- 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 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 11- description of protections 11-1 input undervoltage lock-out (uvlo) the input undervoltage lock-out protection device turns- on and turns-off the output voltage when the input bus voltage reaches the undervoltage lock-out threshold. there is no hysteresis cycle at turn-on and turn-off. 11-2 output short circuit protection (scp) the short circuit protection device protects the module against short circuit of any duration and restores the mo- dule to normal operation when the short circuit is removed. it operates in ?hiccup? mode by testing periodically if an overload is applied (typically every 200ms recovery time). the overload detection threshold is typically 200% of maxi- mum current with a detection time lower than 5ms. 11-3 output overvoltage protection (ovp) the output overvoltage protection device protects external components against high voltage or possible overvoltages which can be supplied by the module (i.e in case of internal failure). it consists of a zener diode clamping the output voltage; under worst case conditions this zener diode will short-circuit. the output voltage protection is not designed to withstand externally applied output overvoltages to protect the mo- dule itself. 11-4 over temperature protection (otp) a thermal protection device adjusted at 115c (+/-5%) internal temperature with 10c hysteresis cycle will inhibit the module as long as the overheat is present and restores to normal operation automatically when overheat is removed. the efficiency of the otp function is warranty with the module mounted on a heatsink. time recovery time detection time recovery time x 100 vo (%) baseplate temperature on 115?c off 10?c vin on off uvlo turn-on/turn-off
for locations, phone, fax, e-mail see back cover 10 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 12- description of functions 12-1 on/off function the control pin 16 (on/off) can be used for applications requiring on/off operation. by using an open collector command with a transistor q referenced to the common terminal (gi) : a logic pulled low (<0.2v@1ma, referenced to gi) on pin 16 disables the converter no connection or high impedance on pin 16 enables the converter. by releasing the on/off function, the converter will restart within the start-up time specifications given in table page 3. for further details please consult ??logic on/off?? applica- tion note. 12-2 trim function the primary output voltage vo1 may be trimmed at +/-5% via a single external trimpot or fixed resistor. the trimpot should be connected as shown in figure hereafter. value of the trim resistance is given in the following table : 12-3 sense function if the load is seperated from the output by any line lenght, some of these performance characteristics will be degraded at the load terminals by an amount proportional to the impedance of the load leads. with the sense function, the voltage at the power supply output shifts by up to the maximum allowed voltage per load line to compensate the voltage drop in the load leads, there by maintaining a constant voltage at the load terminals. both trim and sense function can be combined but the compensation voltage must not exceed 0.5v max or +/- 5% of the output voltage. 1 sense+ vo1 load trim go1 sense- 2 5 6 3 r1 10k vo1 r1 value vo1 r1 value 2,5 v 0 ohm 12 v 12 kohm 3,3 v 0 ohm 15 v 22 kohm 5 v 0 ohm 24 v 36 kohm gi on/off command 1 sense+ vo1 load trim go1 sense- 2 5 6 3
for locations, phone, fax, e-mail see back cover 11 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade tethys series can be used in parallel to increase output power. up to 3 tethys can be used to add power up to a maximum of 90w. contact factory for further details. 13-1 parallel operations 13- application notes
for locations, phone, fax, e-mail see back cover 12 cgdm tethys series gaia converter fc97-019.08/06 revision j ? 4 hi-rel grade 15- product marking upper face : company logo, location of manufacturing, module reference. side face : module reference, option, date code : year and week of manufacturing. 16- connections 14- dimensions dimension are given in mm (inches). tolerance : +/- 0,2 mm (+/- 0.01 ?) unless otherwise indicated. weight : 85 grams (2.9 ozs) max. 27,94 (1.1") 50,80 (2") 76,30 (3") 82,40 (3.25") 2x5,08 (2x0.2") 2x5,08 (2x0.2") 5x2,54 (5x0.1") 1x5,08 (1x0.2") 1x5,08 (1x0.2") 40,64 (1.6") 4 holes m3 8,6 (0.33") 0,3 min (0.001") 48,26 (1.9") 49,9 (1.96") 56.00 (2.2") 10 (0.39") metallic case black anodized coating solder plated pin pin dimensions : o 0,83mm (0.032") * except pin 15 : 6 mm (0.23") long 5 (0.19")* +/-1 7,2 +/-0,4 (0.28") 1,45 +/-0,4 (0.06") single line dual line triple line 1 output 2 outputs 3 outputs 4 outputs 5 outputs 6 outputs pin cgdi - - - 0 - 0 cgdi - - - 0 - cgdi - - - - 0 cgdi - - - 0 - cgdi - - - - cgdi - - - - cgdi - - - - cgdi - - - - 1 ouput 1 + (+vo1) output 1 + (+vo1) output 1 + (+vo1) output 1 + (+vo1) output 1 + (+vo1) ou tput 1 + (+vo1) output 1 + (+vo1) output 1 + (+vo1) 2 sense + sense + sense + sense + sense + sense + sense + do not connect 3trimtrimtrimtrimtrimtrimtrimdo not connect 4 do not connect do not connect do not connect do not connect do not connect do not connect do not connect return 1 (go1) 5 sense - sense - sense - sense - sense - sense - sense - do not connect 6 return 1 (go1) return 1 (go1) return 1 (go1) return 1- (go1) return 1 (go1) return 1 (go1) return 1 (go1) output 1 - (-vo1) 7 do not connect do not connect output 2+ (+vo2) do not connect output 2 + (+vo2) output 2 + (+vo2) out put 2 + (+vo2) output 2 + (+vo2) 8 do not connect do not connect do not connect do not connect do not connect do not connect return 2 (go2) return 2 (go2) 9 do not connect do not connect return 2 (go2) do not connect return 2 (go2) return 2 (go2) output 2 - (-vo2) output 2 - (-vo2) 10 do not connect output 2+ (+vo2) do not connect output 2+ (+vo2) outp ut 3 + (+vo3) output 3 + (+vo3) ou tput 3 + (+vo3) output 3 + (+v o3) 11 do not connect do not connect do not connect return 2 (go2) do not connect return 3 (go3) return 3 (go3) return 3 (go3) 12 do not connect return 2 (go2) do not connect output 2- (-vo2) retu rn 3 (go3) output 3 - (-vo3) out put 3 - (-vo3) output 3 - (-vo3) 13 - input (gi) - input (gi) - input (gi) - input (gi) - input (gi) - input (gi) - input (gi) - input (gi) 14 + input (vi) + input (vi) + input (vi) + input (vi) + input (vi) + input (vi) + input (vi) + input (vi) 15 case case case case case case case case 16 on/off on/off on/off on/off on/off on/off on/off on/off
information given in this datasheet is believed to be accurate and reliable. however, no responsibility is assumed for the cons equence of its use nor for any infringement of patents or other rights of third parties which may result from its use. these products are sold only according to gaia converter general conditions of sale, unless otherwise confirmed by writing. spe cifications subject to change without notice. printed in france by gaia converter fc97-019.08/06 revision j graphisme : philippe clicq represented by : for more detailed specifications and applications information, contact : international headquarters ga?a converter - france zi de la morandire 33185 le haillan - france tel. : + (33)-5-57-92-12-80 fax : + (33)-5-57-92-12-89 north american headquarters ga?a converter canada, inc 4038 le corbusier blvd laval, quebec - canada h7l 5r2 tel. : (514)-333-3169 fax : (514)-333-4519

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