www.micropowerdirect.com micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com key features: ? 8w output power ? ultra-wide input range ? compact dip case ? 3,000 vdc i/o isolation ? meets en 50155 ? single & dual outputs ? 40c to +85c operation ? industry standard pin-out mr08xxrui ultra-wide input, 8w compact dip, railway dc/dc con vert ers series electrical speci? cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. input parameter conditions min. typ. max. units input voltage range 24 vdc input 13.0 24.0 70.0 vdc 110 vdc input 42.0 110.0 176.0 input start voltage 24 vdc input 12.6 vdc 110 vdc input 41.0 under voltage shutdown 24 vdc input 11.4 vdc 110 vdc input 37.0 input filter (pi) filter start up time nominal input, full load 30 ms output parameter conditions min. typ. max. units output voltage accuracy 1.0 % line regulation v in = min to max 0.5 % load regulation i out = 0% to 100% 0.5 % cross regulation, dual output see note 2 5.0 % ripple & noise (20 mhz) see note 3 75 mv p - p transient recovery time, see note 4 25% load step change 250 sec transient response deviation 3.0 % output power protection see note 5 160 % i out temperature coef? cient 0.02 %/oc output short circuit protection continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage (input/output) 60 seconds 3,000 vdc isolation voltage (case/input, output) 60 seconds 1,000 isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz/1v 1,000 pf switching frequency 24 vdc input 330 khz 110 vdc input 220 emi characteristics parameter standard criteria level radiated emissions en 50121-3-2 30 - 230 mhz 40 db v 230 - 1,000 mhz 47 db v conducted emissions, see note 6 en 50121-3-2 0.15 - 0.5 mhz 99 db v 0.5 - 30.0 mhz 93 db v esd en 50121-3-2 a air 8 kv contact 6 kv rs en 50121-3-2 a 20 v/m eft, see note 7 en 50121-3-2 a 2.0 kv surge, see note 7 en 50121-3-2 a 2.0 kv cs en 50121-3-2 a 10v pfmf en 61000-4-8 a 10 a/m environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +85 oc operating temperature range case +105 oc storage temperature range -55 +125 oc cooling free air convection humidity rh, non-condensing 95 % physical case size see mechanical drawing (page 2) case material copper with nickel coating (ul94v-0) weight 0.63 oz (18g) reliability speci? cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25oc, gnd benign 800 khours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 24 vdc input -0.7 100.0 vdc 110 vdc input -0.7 185.0 lead temperature 1.5 mm from case for 10 sec 260 oc caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings.
www.micropowerdirect.com micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 ? tel: (781) 344-8226 ? fax: (781) 344-8481 ? e-mail: sales@micropowerdirect.com model selection guide mechanical dimensions mechanical notes: all dimensions are typical in inch es (mm) tolerance x.xx = ?.02 (?.50) r l e s s ! echa n ical no t e s: l dimensions are typical in inch es ( mm ) ol erance x.xx = ?.02 ( ?.50 ) derating curve pin single dual 1 remote on/off remote on/off 2- v in -v in 3- v in -v in 9 no pin common 11 nc -v out 14 +v out +v out 16 -v out common 22 +v in +v in 23 +v in +v in nc: no connection pin connections model number input output over voltage protection (vdc typ) input re? ected ripple (ma p-p typ) max capacitive load (f max) ef? ciency (%, typ) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) nominal range full-load no-load mr0802s-03rui 24 13.0 - 70.0 397 30 3.3 2,400 3.9 20 1,330 83 800 mr0802s-05rui 24 13.0 - 70.0 387 20 5.0 1,600 6.2 20 1,330 86 800 mr0802s-12rui 24 13.0 - 70.0 391 10 12.0 665 15.0 20 330 85 800 mr0802s-15rui 24 13.0 - 70.0 388 10 15.0 535 18.0 20 220 86 800 mr0802d-05rui 24 13.0 - 70.0 401 10 5.0 800 6.2 20 900 83 800 mr0802d-12rui 24 13.0 - 70.0 394 10 12.0 335 15.0 20 220 85 800 mr0802d-15rui 24 13.0 - 70.0 385 10 15.0 265 18.0 20 100 86 800 mr0811s-03rui 110 42.0 - 176.0 88 10 3.3 2,400 3.9 20 1,330 81 200 mr0811s-05rui 110 42.0 - 176.0 86 10 5.0 1,600 6.2 20 1,330 84 200 MR0811S-12RUI 110 42.0 - 176.0 86 5 12.0 665 15.0 20 330 84 200 mr0811s-15rui 110 42.0 - 176.0 87 5 15.0 535 18.0 20 220 83 200 mr0811d-05rui 110 42.0 - 176.0 90 10 5.0 800 6.2 20 900 80 200 mr0811d-12rui 110 42.0 - 176.0 89 5 12.0 335 15.0 20 220 82 200 mr0811d-15rui 110 42.0 - 176.0 87 5 15.0 265 18.0 20 100 83 200 notes: 1. the speci ed maximum capacitive load is for each output. 2. when measuring cross regulation, the load on one output is varied from 25% to 100% while the other output is held at 100%. 3. when measuring output ripple, it is recommended that an external 0.1 f ceramic capacitor be placed in parallel with a 10 f electrolytic capacitor from the +v out pin to the -v out pin for single output units and from each output to common for dual output units. this is illustrated by capacitors c 6 and c 7 in the typical con- nection diagram at right. 4. transient recovery is measured to within a 1% error band for a 75% - 50% - 25% load change. 5. output overload protection is provided by a ?iccup mode circuit with auto- recovery. 6. the input capacitors shown in the connection diagram (c 2 , c 3 & c 4 ) are used on 110v input models to achieve 79 db v from 0.15 - 0.5 mhz and 73 db v from 0.5 - 30 mhz. they are ceramic, 1 f, 250v capacitors and should be mounted as close to the unit as possible. 7. to meet the eft and surge requirements of en 50121-3-2, an external input capacitor is required, as shown in the connection diagram at right (c 1 ). for the 24 v in models a single 330 f/100v electolytic capacitor is recommended. for the 110 vin models, two 100 f/250v electrolytic capacitors connected in parallel are recommended. 8. operation at no-load will not damage these units. however, they may not meet all speci cations. 9. it is recommended that a fuse be used on the input of a power supply for protec- tion. see the table above for the correct rating. recommended input/ouput components all models of the mr08xxx-rui series include an on/off control input (pin 1). this input uses positive logic to enable/disable the unit. when the input is ?igh? the unit operates, when it is ?ow? the unit is off. the chart at right gives the speci cations for the control input. in the diagram above, an open collector switch is used (q 1 ). the control input should be left oating if it is not being used. shorting the control pin to the -v in input (pins 2 & 3) will turn the unit off. remote on/off control parameter min. typ. max. units unit on 3.0 12.0 vdc unit off 0.0 1.2 vdc off idle current 5.0 ma control common referenced to negative input (pin 2)
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