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description the interpoint? mtr series? of dc-dc converters offers up to 30 watts of output power from single, dual, or triple output configurations. mtr (40) models have an input voltage range of 16 to 40 and transient protection up to 50 vin for up to 50 milliseconds. they operate over the full military temperature range with up to 84% efficiency. mtr converters are packaged in hermetically sealed metal cases, making them ideal for use in military, aerospace and other high reliability applications. the converters are offered with standard screening, es screening, or fully compliant to 883 mil-prf-38534 class h screening. see table 12: element evaluati on on page 25 and table 13: environmental screening on page 26 for more information. standard microcircuit drawings (smd) are available. see table 3: smd number cross reference on page 8. c onverter d esign the mtr converters are constant frequency, pulse-width mod ulated switching regulators which use a quasi-square wave, single ended, forward converter design. tight load regulation is maintained via wide bandwidth magnetic feedback and, on single output models, through use of remote sense. on dual output models, the positive output is independently regulated and the negative output is cross regulated through the use of tightly coupled magnetics. the mtr series triple output dc-dc converters design includes individual regulators on the auxiliary outputs which provide for no cross regulation error when a minimum 300 ma load is maintained on the main (+5) output. indefinite short circuit protection and overload protection are provided by a constant current-limit feature. this protective system senses current in the converters secondary stage and limits it to approximately 125% of the maximum rated output current. mtr converters are provided with internal filtering capacitors that help reduce the need for external components in normal operation. use our fmce-0328? , fmce-0528? or fmce- 0828? emi filter to meet the requirements of mil-std-461c ce03 and cs01 and/or mil-std-461d, e and f ce102 and cs101 levels of conducted emissions. or use the fm-704a for transient suppression and to meet mil-std-461c ce03. c over m arking the cover marking for the mtr 40 is mtr dc-dc converter under the model number. see figure 1 1: cover marking for mtr - 40 vin on page 8. s ync hronization synchronizing the converter with the system clock allows the designer to confine switching noise to clock transitions, minimizing interference and reducing the need for filtering. in sync mode, the converter will run at any frequency between 500 khz and 675 khz for singles and duals and between 500 and 700 for triples. the sync control operates with a duty cycle between 40% and 60%. the sync pin must be connected to input common pin when not in use. f e a t u res no cross-regulation error in triple output models operating temperature -55 to +125c ? input voltage range 16 to 40 vdc ? t ransient protection 50 vin for 50 ms ? fully isolated, magnetic feedbac k ? fixed high frequency switching ? inhibit and synchronization function ? indefinite short circuit and overload protection m ode l s vdc o utput single dual triple 3.3 5 +5 & 12 5 12 +5 & 15 12 15 15 18 a lso see our i mproved m tr (50) 16 - 50 vin, 80 v transient / 50 ms. datasheet at www.interpoint.com/mtr50 m tr (40) single, dual and triple dc-dc converters page 1 of 26 28 (16-40) v o l t inp u t C 30 wa tt mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions crane aerospace & electronics power solutions C interpoint products 10301 willows rd. ne, redmond, wa 98052 +1.425.882.3100 ? power@crane-eg.com www.craneae.com/interpoint
w ide i nput v oltage r ange mtr converters are designed to provide full power over a full 16 to 40 vdc input voltage range. operation below 16 volts, including mil-std-704a emergency power conditions is possible with derated power. refer to the low line dropout graphs (figure 27, figure 35 and figure 36) for details. d ynamic r esponse the mtr series feed-forward compensation system provides excellent dynamic response and noise rejection. audio rejection is typically 40 db for singles and duals and 50 db for triples. the minimum to maximum step line transition response is typically less than 4%. i nhibit f unction mtr converters provide an inhibit terminal that can be used to disable internal switching, resulting in no output voltage and very low quiescent input current. the converter is inhibited when the inhibit pin is pulled below 0.8 v and enabled when its inhibit pin is left floating. an external inhibit interface should be capable of pulling the converters inhibit pin below 0.8 v while sinking the maximum inhibit current and also allowing the inhibit pin to float high to enable the converter. a voltage should not be applied to the inhibit pin. the open circuit voltage present on the inhibit pin is 9 to 11 v. f igure 1: mtr s ingle b lock d iagram output common positive output positive input inhibit input common input common input common sync in mtr single output input filter driver pwm case v bias current limit voltage feedback m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 2 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
f igure 2: mtr d ual /883 b lock d iagram input common input common mtr series dual output /883 input filter driver l2 a l2 b output common output common positive output negative output positive input inhibit sync input common case output common pwm v bias current limit voltage feedback m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 3 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
f igure 3: mtr d ual non -883 b lock d iagram input common input common mtr series dual output non-883 input filter driver l2 a l2 b output common output common positive output negative output active preload positive input inhibit sync input common case output common pwm v bias current limit voltage feedback m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 4 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
input common input common mtr series triple output input filter driver output common output common main output positive auxiliary positive input inhibit sync input common case output common pwm negative auxiliary v bias output common output common cs2 cs2 cs1 cs1 current limit voltage feedback regulator regulator f igure 4: mtr t riple b lock d iagram m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 5 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
notes for remote sense and trim 1. when trimming output voltage and/or remote sensing, the total output voltage increase must be less than 0.6 volts at the converters pins. do not exceed the maximum power. 2. if neither voltage trim nor remote sense will be used, connect pin 3 to pin 4 and pin 5 to pin 6. 3. caution: the converter will be permanently damaged if the remote sense (pin 6) is shorted to ground. damage may also result if the output common or positive output is disconnected from the load with the remote sense leads connected to the load. 4. when using remote sense for voltage compensation or when using remote sense for trim, the output will drift over temperature. contact applications engineering for more information at powerapps@crane-eg.com external trim connection 1 make connections at converter. r l output common mtr single output converter 4 3 5 10 1 +v in input common 6 sense return sense positive output r t 1 1 f igure 5: t rim c onnection 1, 2, 3 trim formulas vout = desired output voltage; rt = trim resistor 3.3v : rt = 1300 * v out C 4304 1.2475 5v : rt = 1300 * v out C 6512 1.2475 12v : rt = 1300 * v out C 15631 1.2475 15v : rt = 1300 * v out C 19498 1.2475 r l output common remote sense connection 2 make connections at load. mtr single output converter 4 3 5 10 1 +v in input common 6 sense return sense positive output 2 2 f igure 6: r emote s ense c onnection 4 tri m a nd r e m ote sense (a v a i labl e on sin gl e 5, 12 a nd 15 o u tp u t m ode l s on ly) m tr (40) s, d t dc-dc c 28 (16-40) v o l t inp u t C 30 wa tt page 6 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
bottom view mtr single flanged and non-flanged dot on top of cover indicates pin one. dotted line outlines flanged package option. 6 10 7 8 9 1 2 3 4 5 f igure 7: p in o ut s ingle o utput m odels see figure 38: case h2 C single and 883 dual models on page 20 and figure 41: case k3 C single and dual 883 models on page 23 for dimensions. bottom view mtr dual flanged and non-flanged dot on top of cover indicates pin one. 6 10 7 8 9 1 2 3 4 5 dotted line outlines flanged package option. f igure 9: p in o ut d ual o utput m odels see figure 38: case h2 C single and 883 dual models on page 20, figure 39: case h4 C dual models - non 883 on page 21, figure 41: case k3 C single and dual 883 models on page 23 and figure 42: case k5 C dual models - non 883 on page 24 for dimensions. bottom view mtr triple flanged and non-flanged dotted line outlines flanged package option. 10 9 8 7 6 1 2 3 4 5 squared corner and dot on top of package indicate pin one. f igure 8: p in o ut t riple o utput m odels see figure 37: case f1 C triple models on page 19 and figure 40: case j1 C triple models on page 22 for dimensions. p in ou t pin single output dual output triple output 1 positive input positive input positive input 2 inhibit inhibit main (+5) output 3 sense return positive output output common 4 output common output common neg. aux. output 5 positive output negative output pos. aux. output 6 positive sense case ground case ground 7 case ground case ground case ground 8 case ground case ground inhibit 9 sync sync sync 10 input common input common input common p ins not in use inhibit leave unconnected sync in connect to input common sense lines must be connected to appropriate outputs t able 1: p in o ut t able 2: p ins n ot in u se m tr (40) s, d t dc-dc c 28 (16-40) v o l t inp u t C 30 wa tt page 7 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
m ode l n umb erin g k e y mtr 28 512 t f / 883 base model input voltage output voltage screening number of outputs case option ("f" indicates flanged option, non-flanged case has no designator in this position) (s = single, d = dual, t = triple) (main and aux. vout for triple models) (standard screening has no designator in this position.) f igure 10: m odel n umbering k ey m ode l numb er o ptions t o determine the model number enter one option from each c atego ry in the form below . ca te g or y b ase m odel and input voltage output voltage 1 number of outputs 2 case options 3 screening 4 o ptions mtr28 3r3, 05, 12, 15, 18 s (non-flanged, leave blank) (standard, leave blank) 05, 12, 15 d f (flanged) es 512, 515 t 883 f i ll in for mode l # mtr28 / notes: 1. output voltage: an r indicates a decimal point. 3r3 is 3.3 volts out. the value of 3r3 and 18 are only available in single output models. the 512 and 515 triple output converters are +5 volt main and 12 or 15 volt auxiliaries. 2. number of outputs: s is a single output, d is a dual output, and t is a triple output 3. case options: for the standard case (figure 38: case h2 C single and 883 dual models on page 20, figure 39: case h4 C dual models - non 883 on page 21 and figure 37: case f1 C triple models on page 19) leave the case option blank. for the flanged case option (figure 41: case k3 C single and dual 883 model s on page 23, figure 42: case k5 C dual models - non 883 on page 24 and figure 40: case j1 C triple models on page 22), insert the letter f in the case option position. 4. screening: for standard screening leave the screening option blank. for other screening options, insert the desired screening level. for more information see table 12: element evaluation on page 25 and table 13: environmental screening on page 26. s m d numb ers s tan dard m icrocircuit d rawing (s md) smd r evision n umber 1 mtr s imilar p art 5962-0150101hxc d mtr283r3s/883 5962-9306801hxc g mtr2805 s /883 5962-9306901hxc g mtr2812s/883 5962-9307001hxc e mtr2815s/883 5962-9320501hxc e mtr2805 d /883 5962-9307101hxc e mtr2812d/883 5962-9307201hxc g mtr2815d/883 5962-9307301 hxc f mtr28512t/883 5962-9307401 hxc h mtr 28515 t /883 1. the smd revision number distinguishes the mtr (40) converter from the mtr (50) converter. the smd numbers are the same. if ordering to the smd number, please order to the desired smd revision, listed above, for the mtr (40). to indicate the flanged case option change the x to z in the smd number. the smd number shown is for class h screening, non-flanged. see the smd for the numbers for other screening and radiation levels. for exact specifications for an smd product, refer to the smd drawing. smds can be downloaded from: http://www.dscc.dla.mil/programs/smcr f igure 11: c over m arking for m tr - 40 v in (n ote : c over m arking for m tr (50) - 50 v in is mtr (50) dc-dc c onverter under the m odel n umber ) t able 3: smd n umber c ross r eference t able 4: m odel n umber o ptions m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 8 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
a ll m odels parameter conditions min typ max units lead soldering temperature 1 10 seconds max. 300 c storage temperature 1 -65 +150 c case operating full power -55 +125 c temperature absolute 1 -55 +135 derating output power/current 1 linearly from 100% at 125c to 0% at 135c esd rating 1 c lass 1 mil-prf-38534, 3.9.5.8.2 mil-std-883 m ethod 3015 0 - 1999 v isolation, any pin to case e xcept case pin @ 500 vdc a t 25c 100 megohms input to output capacitance 1 s ingles and d uals 50 pf t riples 100 current limit 2 % of full load 125 % audio rejection 1 s ingles and d uals 40 db t riples 50 conversion frequency s ingles and d uals 550 650 khz free run -55 to +125c t riples 525 650 synchroniza tion input frequency s ingles and d uals 500 675 khz tr iples 500 700 duty cycle 1 40 60 % active low 0.8 v active high 1 4.5 5.0 referenced to input common if not used connect to input common inhibit active low (output disabled) inhibit pin pulled low 0.8 v do not apply a voltage to the inhibit pin. 3 inhibit pin source current 1 s ingles and d uals 6 ma tr iples 8 referenced to input common inhibit active high (output enabled) inhibit pin condition open collector or unconnected do not apply a voltage to the inhibit pin. 3 open inhibit pin voltage 1 9 11 v notes: 1. guaranteed by design and/or analysis. not an in-line test. 2. dual and triple outputs: the over-current limit will trigger when the sum of the currents from both dual outputs or both auxiliary outputs (triple) reaches 125% (typical value) of the maximum rated total current of both outputs. 3. an external inhibit interface should be used to pull the inhibit low or leave it floating. the inhibit pin can be left unconnected if not used. t able 5: o perating c onditions , a ll m odels : 25c t c , 28 vdc v in , 100% load , unless other wise specified . m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 9 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
notes 1. guaranteed by design and/or analysis. not an in-line test. 2. operation is limited below 16v (see figure 27 on page 17). 3. t ested with 6800 pf ceramic bypass capacitor connected externally from input common to case. 4. indefinite short circuit protection not guaranteed above 125c case. 5. recovery time is measured from application of the transient to point at which v out is within 1% of final value. 6. t ested on release from inhibit. single output models mtr283r3s mtr2805s mtr2812s units parameter conditions min typ max min typ max min typ max output voltage 3.201 3.30 3.399 4.85 5.00 5.15 11.64 12.00 12.36 vdc output current vin = 16 to 40 vdc 0 6.06 0 5.0 0 2.5 a output power vin = 16 to 40 vdc 0 20 0 25 0 30 w output ripple t c = 25c 15 40 35 50 25 40 mv p-p 10 khz - 2 mhz t c = -55c to +125c 50 50 90 40 90 line regulation 2 v in = 16 to 40 vdc 10 15 50 15 50 mv load regulation no load to full 10 15 50 15 50 mv input voltage continuous 16 28 40 16 28 40 16 28 40 vdc no load to full transient 50 msec. 50 50 50 v input current no load 30 75 35 75 35 75 ma inhibited 7 8 3 8 3 8 input ripple current 3 10 khz - 10 mhz 25 50 20 50 20 50 ma p-p efficiency t c = 25c 74 76 76 78 80 83 % t c = -55c to +125c 71 73 77 load fault 4 power dissipation 12 12 12 w short circuit recovery 1 1.4 6 1.4 5 1.4 5 ms step load response transient 125 250 200 300 250 400 mv pk 50% - 100% - 50% recovery 1, 5 200 60 200 60 200 s step line r esponse transient 300 200 300 400 500 mv pk 16 - 40 -16 vdc recovery 5 300 300 300 s start-up 6 delay 1.4 5 1.4 5 1.4 5 m sec full load overshoot 1 0 50 0 50 0 120 mv pk capacitive load 1 t c = 25c no effect on dc performance 300 300 300 f t able 6: e lectrical c haracteristics : -55c to +125c t c , 28 vdc v in , 100% load , free run , unless other wise specified . m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 10 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
notes 1. guaranteed by design and/or analysis. not an in-line test. 2. operation is limited below 16v (see figure 27 on page 17). 3. t ested with 6800 pf ceramic bypass capacitor connected externally from input common to case. 4. indefinite short circuit protection not guaranteed above 125c case. 5. recovery time is measured from application of the transient to point at which v out is within 1% of final value. 6. t ested on release from inhibit. single output models mtr2815s mtr2818s units parameter conditions min typ max min typ max output voltage 14.70 15.00 15.30 17.46 18.00 18.54 vdc output current vin = 16 to 40 vdc 0 2.0 0 1.67 a output power vin = 16 to 40 vdc 0 30 0 30 w output ripple t c = 25c 25 40 40 mv p-p 10 khz - 2 mhz t c = -55c to +125c 40 90 90 line regulation 2 v in = 16 to 40 vdc 15 50 50 mv load regulation no load to full 15 50 50 mv input voltage continuous 16 28 40 16 28 40 vdc no load to full transient 50 msec. 50 _ 50 v input current no load 35 75 75 ma inhibited 3 8 8 input ripple current 3 10 khz - 10 mhz 20 50 50 ma p-p efficiency t c = 25c 81 84 81 84 % t c = -55c to +125c 78 78 load fault 4 power dissipation 12 12 w short circuit recovery 1 1.4 5 1.4 5 ms step load response transient 350 500 600 mv pk 50% - 100% - 50% recovery 1, 5 60 200 60 200 s step line r esponse transient 500 600 500 800 mv pk 16 - 40 -16 vdc recovery 5 300 300 s start-up 6 delay 1.4 5 5 m sec full load overshoot 1 0 150 0 180 mv pk capacitive load 1 t c = 25c no effect on dc performance 300 300 f t able 7: e lectrical c haracteristics : -55c to +125c t c , 28 vdc v in , 100% load , free run , unless other wise specified . m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 11 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
notes 1. guaranteed by design and/or analysis. not an in-line test. 2. up to 90% of the total output current/power is available from either output providing the positive output is carrying at least 10% of the total output power. 3. operation is limited below 16 v (figure 27 on page 17). 4. ef fect on negative v out from 50%/50% loads to 80%/20% or 20%/80% loads. 5. effect on negative v out from 50%/50% loads to 90%/10% or 10%/90% loads. see figure 20. 6. t ested with 6800 pf ceramic bypass capacitor connected externally from input common to case. 7. indefinite short circuit protection not guaranteed above 125c case. 8. recovery time is measured from application of the transient to point at which v out is within 1% of final value. 9. tested on release from inhibit. dual output models - /883 on ly mtr2805d mtr2812d mtr2815d units parameter conditions min typ max min typ max min typ max output voltage + v out 4.850 5.00 5.150 11.64 12.00 12.36 14.55 15.00 15.45 vdc - v out 4.825 5.00 5.172 11.58 12.00 12.42 14.47 15.00 15.53 output current 2 either output 0 2.5 4.5 1 0 1.25 2.25 1 0 1.00 1.80 1 a v in = 16 t o 40 vdc total output 5 2.5 2.00 output power 2 either output 0 12.5 22.5 1 0 15 27 1 0 15 27 1 w v in = 16 to 40 vdc total output 25 30 30 output ripple t c = 25c 20 80 30 80 25 80 mv p-p 10 khz - 2 mhz v out t c = -55c to +125c 40 90 40 120 40 120 line regulation 3 + v out 10 50 10 50 10 50 mv v in = 16 to 40 vdc - v out 50 100 50 150 50 180 load regulation + v out 5 50 15 50 15 50 mv no load to full - v out 25 100 30 150 30 180 cross regulation 1 see note 4 4 6 4 6 4 6 % effect on -v out , 25c see note 5 7 12 4 8.3 3 8 input voltage continuous 16 28 40 16 28 40 16 28 40 vdc no load to full transient 50 msec. 1 0 50 0 50 0 50 v input current no load 35 75 C 50 75 50 75 ma inhibited 3 8 3 8 3 8 input ripple current 6 10 khz - 10 mhz 15 50 20 50 20 50 ma p-p efficiency t c = 25c 76 78 79 81 80 83 % balanced load t c = -55c to +125c 73 76 77 load fault 7 power dissipation 10 12 10 12 10 12 w short circuit recovery 1 1.4 5.0 1.4 5.0 1.4 5.0 ms step load response transient 200 300 150 300 200 400 mv pk 50% - 100% - 50% v out recovery 1, 8 100 200 100 200 100 200 s step line response 1 transient 200 400 200 400 400 500 mv pk 16 - 40 -16 vdc v out recovery 8 300 300 300 s start-up 9 delay 1.4 5 1.4 5 1.4 5 ms full load overshoot 1 0 180 0 120 0 150 mv pk capacitive load 1 t c = 25c no effect on dc performance 500 500 500 f t able 8: e lectrical c haracteristics : -55c to +125c t c , 28 vdc v in , 100% load , free run , unless other wise specified . m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 12 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
notes 1. guaranteed by design and/or analysis. not an in-line test. 2. mtr2805d (standard and /es) is specified at 25c only. 3. up to 90% of the total output current/power is available from either output providing the positive output is carrying at least 10% of the total output power. 4. operation is limited below 16 v. see figure 27 on page 17. 5. ef fect on negative v out from 50%/50% loads to 80%/20% or 20%/80% loads. 6. effect on negative v out from 50%/50% loads to 90%/10% or 10%/90% loads. see figure 25 on page 17. 7. tested with 6800 pf ceramic bypass capacitor connected externally from input common to case. 8. indefinite short circuit protection not guaranteed above 125c case. 8. recovery time is measured from application of the transient to point at which v out is within 1% of final value. 10. tested on release from inhibit. dual output models - s t a nd a rd a nd /es mtr2805d 2 mtr2812d mtr2815d units parameter conditions min typ max min typ max min typ max output voltage + v out 4.850 5.00 5.150 11.88 12.00 12.12 14.85 15.00 15.15 vdc - v out 4.825 5.00 5.172 11.58 12.00 12.42 14.47 15.00 15.53 output current 3 either output 0 2.5 4.5 1 0 1.25 2.25 1 0 1.00 1.80 1 a v in = 16 t o 40 vdc total output 5 2.5 2.00 output power 3 either output 0 12.5 22.5 1 0 15 27 1 0 15 27 1 w v in = 16 to 40 vdc total output 25 30 30 output ripple t c = 25c 20 80 30 80 25 80 mv p-p 10 khz - 2 mhz v out t c = -55c to +125c 40 120 40 120 line regulation 4 + v out 10 50 10 50 10 50 mv v in = 16 to 40 vdc - v out 50 100 50 150 50 180 load regulation + v out 5 50 15 50 15 50 mv no load to full - v out 25 100 30 150 30 180 cross regulation 1 see note 5 4 6 4 6 4 6 % effect on -v out , 25c see note 6 7 12 4 8.3 3 8 input voltage continuous 16 28 40 16 28 40 16 28 40 vdc no load to full transient 50 msec. 1 0 50 0 50 0 50 v input current no load 35 50 C 50 75 50 75 ma inhibited 3 8 3 8 3 8 input ripple current 7 10 khz - 10 mhz 15 40 20 50 20 50 ma p-p efficiency t c = 25c 76 78 78 81 80 83 % balanced load t c = -55c to +125c 76 77 load fault 8 power dissipation 10 12 10 12 10 12 w short circuit recovery 1 1.4 5.0 1.4 5.0 1.4 5.0 ms step load response transient 200 300 150 300 200 400 mv pk 50% - 100% - 50% v out recovery 1, 9 100 200 100 200 100 200 s step line response 1 transient 9 200 400 200 400 400 500 mv pk 16 - 40 -16 vdc v out recovery 9 300 300 300 s start-up 10 delay 1.4 5 1.4 5 1.4 5 ms full load overshoot 1 0 180 0 120 0 150 mv pk capacitive load 1 t c = 25c no effect on dc performance 500 500 500 f t able 9: e lectrical c haracteristics : -55c to +125c t c , 28 vdc v in , 100% load , free run , unless other wise specified . m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 13 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
notes 1. guaranteed by design and/or analysis. not an in-line test. 2. the sum of the two aux outputs is not to exceed 10 watts. the maximum load per aux output is 9 watts. 3. t o maintain regulation when operating the aux at full load, a minimum load of 300 ma is required on the main. 4. measured on each output one at a time with the other outputs at full load. 5. indefinite short circuit protection not guaranteed above 125c (case). 6. response of each output as all outputs are simultaneously transitioned. main: 50% - 100% - 50% of main full load auxiliaries: 25% - 50% - 25% each, of total auxiliary full load 7. recovery time is measured from application of the transient to point at which v out is within 1% of regulation. 8. t ested on release from inhibit. t able 10: e lectrical c haracteristics : -55c to +125c t c , 28 vdc v in , 100% load , free run , unless other wise specified . triple output model C mtr28512t 5 (m ain ) 12 (a uxiliaries ) units parameter conditions min typ max min typ max output voltage 4.85 5.00 5.15 11.58 12.00 12.42 vdc output current 2 0.3 4.0 0 0.416 0.750 1 a v in = 16 to 40 vdc t ot al 0.833 output power 2 0 20 0 5 9.00 1 w v in = 16 to 40 vdc t ot al 10 output ripple t c = 25c 50 125 20 60 mv p-p 10 khz - 2 mhz t c = -55c to +125c 180 60 line regulation v in = 16 to 40 vdc 10 20 25 75 mv load regulation 3, 4 10 50 30 75 mv input voltage continuous 16 28 40 vdc transient 50 ms 1 50 v input current no load 70 110 ma inhibited 3.0 6 input ripple current 10 khz - 10 mhz 20 80 ma p-p efficiency t c = 25c 72 75 % t c = -55c to +125c 70 load fault 5 power dissipation 14 14 w a ll outputs shorted recover y 1 4 6.0 4 6.0 ms step load response transient 6 400 1500 mv pk recovery 7 0.300 6 ms step line response 1 transient 800 800 mv pk 16 - 40 - 16 v in recovery 7 5 5 ms start-up 8 delay 4 6.0 4 6.0 ms overshoot 1 500 1500 mv pk m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 14 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
t able 11: e lectrical c haracteristics : -55c to +125c t c , 28 vdc v in , 100% load , free run , unless other wise specified . triple output model C mtr28515t 5 (m ain ) 15 (a uxiliaries ) units parameter conditions min typ max min typ max output voltage 4.85 5.00 5.15 14.47 15.00 15.52 vdc output current 2 0.3 4.0 0 0.333 0.600 1 a v in = 16 to 40 vdc t ot al 0.666 output power 2 0 20 0 5 9.00 1 w v in = 16 to 40 vdc t ot al 10 output ripple t c = 25c 50 125 20 60 mv p-p 10 khz - 2 mhz t c = -55c to +125c 180 60 line regulation v in = 16 to 40 vdc 10 20 30 75 mv load regulation 3, 4 10 50 30 75 mv input voltage continuous 16 28 40 vdc transient 50 ms 1 50 v input current no load 70 120 ma inhibited 3.0 6 input ripple current 10 khz - 10 mhz 20 80 ma p-p efficiency t c = 25c 73 75 % t c = -55c to +125c 71 load fault 5 power dissipation 14 14 w a ll outputs shorted recover y 1 4 6.0 4 6.0 ms step load response transient 6 400 1500 mv pk recovery 7 0.300 6 ms step line response 1 transient 800 800 mv pk 16 - 40 - 16 v in recovery 7 5 5 ms start-up 8 delay 4 6.0 4 6.0 ms overshoot 1 500 1500 mv pk notes 1. guaranteed by design and/or analysis. not an in-line test. 2. the sum of the two aux outputs is not to exceed 10 watts. the maximum load per aux output is 9 watts. 3. t o maintain regulation when operating the aux at full load, a minimum load of 300 ma is required on the main. 4. measured on each output one at a time with the other outputs at full load. 5. indefinite short circuit protection not guaranteed above 125c (case). 6. response of each output as all outputs are simultaneously transitioned. main: 50% - 100% - 50% of main full load auxiliaries: 25% - 50% - 25% each, of total auxiliary full load 7. recovery time is measured from application of the transient to point at which v out is within 1% of regulation. 8. t ested on release from inhibit. m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 15 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
typical performance curves: 25c tc, 28 vdc vin, 100% load, free run, unless otherwise specified. 50 s/div 16 to 40v mtr2805s step line response 20mv/div 20v/div v in v out f igure 12 50 s/div 50% 100% mtr2805s step load response 100mv/div 25w to 12.5w 12.5w to 25w f igure 13 f igure 14 50 s/div 10% 100% mtr2805s step load response 200mv/div 25w to 2.5w 2.5w to 25w f igure 14 f igure 15 output power (watts) mtr2812d efficiency efficiency (%) 60 85 80 75 70 65 5 10 15 20 16v 40v 28v 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 frequency (khz) audio rejection, mtr series attenuation (db) output power (watts) mtr2805s efficiency efficiency (%) 60 85 80 75 70 65 5 10 15 20 25 16v 40v 28v f igure 16 output power (watts) mtr2812s efficiency efficiency (%) 60 85 80 75 70 65 5 16v 28v 40v 10 15 20 25 output power (watts) mtr2815d efficiency efficiency (%) 65 90 85 80 75 70 5 10 15 20 40v 28v 16v f igure 17 f igure 18 f igure 19 output power (watts) mtr2815s efficiency efficiency (%) 62 87 82 77 72 67 5 16v 28v 40v 10 15 20 25 m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t ? 30 wa tt page 16 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
f igure 20 f igure 21 output load (%) cond. b: 50% load +v, 50% to 10% ?v cond. a: 50% load ?v, 50% to 10% +v cross regulation ?v out voltage change (%) ?8 0 8 10 20 30 40 50 ?7 ?6 ?5 ?4 ?3 ?2 ?1 1 2 3 4 5 6 7 cond a cond b 2812d 2812d 2815d 2805d 2805d output power (watts) mtr28512t efficiency efficiency (%) 55 80 75 70 65 60 5 10 15 20 25 30 40v 28v 16v output power (watts) 1% drop mtr singles and duals low line dropout input voltage (volts) 13.0 13.5 14.0 14.5 15.0 15.5 16.0 9 12 15 18 21 24 27 30 f igure 22 50 s/div 10% 100% mtr2815d +v out step load response 100mv/div 3w to 15w 15w to 3w f igure 23 200 s/div mtr2815d turn-on into no load 5v/div 20v/div v in +v out ?v out f igure 24 f igure 25 3 27 6 24 9 21 12 18 15 15 18 12 21 9 24 6 27 3 30 0 +p out ?p out 0 30 output load (watts) 10% to 90% load +v, 90% to 10% load ?v cross regulation ?v out voltage change (%) 10 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 2812d 2815d 2815d 2812d 2805d 2805d f igure 26 f igure 27 1v/div 20v/div 500 s / div mtr2805s turn-on into no load v in v out 50 s/div 25% 50% mtr2815d +v out step load response 100mv/div ?p out =15w 7.5w to 15w 15w to 7.5w 50 s/div 16 to 40 mtr2815d step line response 20mv/div 20v/div v in +v out ?v out f igure 28 typical performance curves: 25c tc, 28 vdc vin, 100% load, free run, unless otherwise specified. m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 17 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
output power (watts) 1% drop mtr28512t low line dropout vs. load input voltage (volts) 13.5 5 14.0 14.5 15.0 15.5 16.0 10 15 20 25 30 f igure 29 output power (watts) 1% drop mtr28515t low line dropout vs. load input voltage (volts) 13.5 5 14.0 14.5 15.0 15.5 16.0 10 15 20 25 30 f igure 30 f igure 31 f igure 32 200mv/div 50% 100% mtr28515t step load response +5 v +aux ?aux 50% to 100% 50% to 100% 50 s/div 100mv/div 1ms/div 5v/div 20v/div 500s/div mtr28515t, aux. (15) turn-on into full load v in 15 v out 2v/div 500 s/div mtr28515t, main (+5) turn-on into full load v in +5 v out 20v/div f igure 33 output power (watts) mtr28515t efficiency efficiency (%) 55 80 75 70 65 60 5 10 15 20 25 30 16v 40v 28v f igure 34 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 frequency (khz) mtr series audio rejection attenuation (db) f igure 35 f igure 36 100mv/div 20v/div 50 s/div 16v to 40v mtr28515t step line response v in +5 v out +aux ?aux typical performance curves: 25c tc, 28 vdc vin, 100% load, free run, unless otherwise specified. m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 18 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
10 9 8 7 6 0.000 0.170 (4.32) 1.170 (29.72) 0.000 0.170 (4.32) 0.570 (14.48) 0.970 (24.64) 1.370 (34.80) 1.770 (44.96) 1 2 3 4 5 0.040 dia. (1.02) 0.000 0.25 (6.4) 0.405 max (10.29) bottom view case f1 seam seal squared corner and dot on top of case indicates pin one weight 58 grams max. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/gold cover kovar/nickel pins #52 alloy/gold ceramic seal gold plating of 50 - 150 microinches included in pin diameter seal hole 0.120 0.002 (3.05 0.05) case f1 mtr t, rev g, 2013.07.01 please refer to the numerical dimensions for accuracy. 1.350 max. (34.29) 1.950 max. (49.53) f igure 37: c ase f1 C t riple m odels m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 19 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
0.155 (3.94) 0.955 (24.26) 0.155 (3.94) 0.955 (24.26) 6 10 7 8 9 seam seal 0.000 0.040 dia (1.02) 0.000 0.000 0.400 max. (10.16) 0.25 (6.4) 0.245 (6.22) 1.845 (46.86) 2.100 max. (53.34) 1 2 6 10 bottom view case h2 3 4 5 7 8 9 0.000 0.000 0.245 (6.22) 1.845 (46.86) 2.100 max. (53.34) 1.115 max. (28.32) 1 2 3 4 5 0.645 (16.38) 1.045 (26.54) 1.445 (36.70) 0.645 (16.38) 1.045 (26.54) 1.445 (36.70) squared corner and dot on top of case indicate pin one. squared corner and dot on top of case indicate pin one. weight 50 gms max. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/gold cover kovar/nickel pins #52 alloy/gold ceramic seal gold plating of 50 - 150 microinches included in pin diameter seal hole 0.120 0.002 (3.05 0.05) case h2 mtr sd, rev j, 2013.07.01 please refer to the numerical dimensions for accuracy.. 1.115 max. (28.32) dual single f igure 38: c ase h 2 C s ingle and 883 d ual m odels a pplies to all s ingle m odels , applies only to 883 d ual m odels , see c ase h4 for non -883 d ual m odels m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 20 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
0.160 (4.06) 0.960 (24.38) 0.655 (16.64) 1.055 (26.80) 1.455 (36.96) 0.000 0.000 0.255 (6.48) 1.855 (47.12) 2.115 max. (53.72) 1.125 max. (28.58) 1 2 6 10 bottom view case h4 3 4 5 7 8 9 solder seal 0.040 dia (1.02) 0.25 (6.4) solder tip-off 0.000 0.417 max (10.59) dot on top of case indicates pin one weight 50 grams max. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/tin cover cold rolled steel/nickel/tin pins #52 alloy, compression glass seal gold plating of 50 - 150 microinches included in pin diameter seal hole 0.092 0.002 (2.34 0.05) case h4 mtr d non-883, rev f - 2013.07.01 please refer to the numerical dimensions for accuracy. f igure 39: c ase h 4 C d ual m odels - non 883 m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 21 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
f igure 40: c ase j1 C t riple m odels 0.040 dia. (1.02) 0.000 0.25 (6.4) 0.405 max (10.29) seam seal 10 9 8 7 6 0.000 0.170 (4.32) 0.210 (5.33) 0.570 (14.48) 0.970 (24.64) 1.370 (34.80) 1.770 (44.96) 2.150 (54.61) 1 2 3 4 5 0.170 (4.32) 0.000 1.170 (29.72) 0.670 (17.02) flanged cases: designator "f" required in case option position of model number. bottom view case j1 sharp corner and dot on top of case indicate pin one. flange thickness: 0.060 (1.52) 1.350 max. (34.29) weight 62 gms max. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/gold cover kovar/nickel pins #52 alloy/gold ceramic seal gold plating of 50 - 150 microinches included in pin diameter seal hole: 0.120 0.002 (3.04 0.05) case j1 mtr t f, rev j, 2013.07.01 please refer to the numerical dimensions for accuracy. 2 x r 0.170 (4.32) (2.720 max (69.09)) 2 x dia 0.162 0.002 (4.11 0.05) m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 22 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
f igure 41: c ase k 3 C s ingle and d ual 883 m odels 6 10 7 8 9 0.040 dia (1.02) 0.000 0.400 max. (10.16) 0.25 (6.4) 0.155 (3.94) 0.955 (24.26) seam seal 0.245 (6.22) ? 0.230 (5.84) 1.845 (46.86) 2.320 (58.93) 0.230 (5.84) 2.320 (58.93) 1 2 6 10 flanged cases: designator ?f? required in case option position of model number. bottom view case k3 3 4 5 7 8 9 (0.000) 0.245 (6.22) 1.845 (46.86) (2.090 (53.09)) (0.000) (2.090 (53.09)) 1 2 3 4 5 0.645 (16.38) 1.045 (26.54) 1.445 (36.70) 0.645 (16.38) 1.045 (26.54) 1.445 (36.70) 0.000 1.115 max. (28.32) 0.555 (14.1) dot on top of case indicates pin one dot on top of case indicates pin one single dual flange thickness: 0.060 (1.52) weight 52 grams max. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/gold cover kovar/nickel pins #52 alloy/gold, ceramic seal gold plating of 50 - 150 microinches included in pin diameter seal hole 0.120 0.002 (3.04 0.05) case k3 mtr sd f, rev j, 2013.07.01 please refer to the numerical dimensions for accuracy. 2 x r 0.170 (4.32) 2 x dia 0.162 0.002 (4.11 0.05) 2 x r 0.170 (4.32) 2 x dia 0.162 0.002 (4.11 0.05) (2.910 max (73.91)) a pplies to all s ingle m odels , applies only to 883 d ual m odels m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 23 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
f igure 42: c ase k 5 C d ual m odels - non 883 0.155 (3.94) 0.955 (24.26) 0.000 0.25 (6.4) 0.040 dia (1.02) solder seal solder tip-off 0.417 max (10.59) 0.000 0.000 0.245 (6.22) ? 0.230 (5.84) 1.845 (46.86) 2.320 (58.93) 1.120 max. (28.45) 1 2 6 10 flanged cases: designator ?f? required in case option position of model number. bottom view case k5 3 4 5 789 0.645 (16.38) 1.045 (26.54) 1.445 (36.70) 0.555 (14.1) squared corner and dot on top of case indicate pin one. weight 52 grams max. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/tin cover cold rolled steel/nickel/tin pins #52 alloy, compression glass seal gold plating of 50 - 150 microinches included in pin diameter seal hole 0.092 0.002 (2.34 0.05) case k3 mtr d f non-883, rev h, 2013.07.01 please refer to the numerical dimensions for accuracy. flange thickness: 0.060 (1.52) 2 x r 0.170 (4.32) 2 x dia 0.162 0.002 (4.11 0.05) (2.910 max (73.91)) mtr series dual (standard and es) m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 24 of 26 mtr-01 rev aa - 2013.09.04 crane aerospace & electronics power solutions www.craneae.com/interpoint
t able 12: e lement e valuation m tr (40) single, dual and triple dc-dc converters 28 (16-40) v o l t inp u t C 30 wa tt page 25 of 26 mtr-01 rev aa - 2013.09.04 t able 5: e lement e valuation Ch igh r eliability s tandard , /es and /883 (c lass h) s tandard and /es ( non -qml) and /883 (c lass h, qml) mil-prf-38534 e lement e valuation non -qml 1 qml c omponent -l evel t est p erformed s tandard and /es c lass h /883 m/s 2 m/s 2 p 3 element electrical n n n visual n n internal visual n final electrical n n wire bond evaluation n n notes: 1. standard and /es non-qml products may not meet all of the requirements of mil-prf-38534. 2. m/s = active components (microcircuit and semiconductor die) 3. p = passive components, class h element evaluation. not applicable to standard and /es element evaluation. crane aerospace & electronics power solutions www.craneae.com/interpoint
t able 13: e nvironmental s creening m tr (40) single, dual and triple dc-dc converters mtr (40) single, dual and triple, mtr-01 rev aa - 2013.09.04 this revision supersedes all previous releases. all technical information is believed to be accurate, but no responsibility is assumed for errors or omissions. crane electronics, inc. reserves the right to make changes in products or specifications without notice. interpoint and mtr series are trademarks of crane electronics, inc. copyright ? 1999 - 2013 crane electronics, inc. all rights reserved. www.craneae.com/interpoint page 26 of 26 28 (16-40) v o l t inp u t C 30 wa tt table is for reference only. see individual series' datasheets for specific screening. t able 6: e nvironmental s creening Ch igh r eliability s tandard , /es and /883 (c lass h) s tandard and /es ( non -qml) and /883 (c lass h, qml) mil-prf-38534 e nvironmental s creening non -qml 1 qml t est p erformed s tandard /es c lass h /883 pre-cap inspection, method 2017, 2032 n n n temperature cycle (10 times) method 1010, cond. c, -65c to +150c, ambient n method 1010, cond. b, -55c to +125c, ambient n constant acceleration method 2001, 3000 g n method 2001, 500 g n burn-in method 1015, +125c case, typical 2 96 hours n 160 hours n final electrical test, mil-prf-38534, group a, subgroups 1 through 6, -55c, +25c, +125c case n subgroups 1 and 4, +25c case n n n hermeticity test gross leak, method 1014, cond. c n n fine leak, method 1014, cond. a n n gross leak, dip n final visual inspection, method 2009 n n n test methods are referenced to mil-std-883 as determined by mil-prf-38534. notes: 1. standard and /es, non-qml products, may not meet all of the requirements of mil-prf-38534. 2. burn-in temperature designed to bring the case temperature to +125c minimum. burn-in is a powered test. crane aerospace & electronics power solutions

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