key features: ? 3w output power ? 3 kvac rms isolation ? reinforced insulation ? 2 a leakage current max ? fifteen models ? compact dip case ? single & dual outputs ? meets en55022 ? 1.0 mh mtbf ? en 60950 approved ? en 60601 approved MA300MHI high isolation, 3w medical approved dc/dc con vert ers series input parameter conditions min. typ. max. units input voltage range 5 vdc input 4.5 5.0 5.5 vdc 12 vdc input 10.8 12.0 13.2 24 vdc input 21.6 24.0 26.4 input filter (pi) filter (complies with en55022 class a) reverse polarity input current 0.5 a leakage current 240 vac, 60 hz 2 a short circuit input power 2,500 mw output parameter conditions min. typ. max. units output voltage accuracy 50% load, nominal v in 4.0 % output voltage balance dual output , balanced loads 2.0 4.0 % line regulation v in = min to max 0.3 0.5 % load regulation i out = 10% to 100% 0.5 1.0 % ripple & noise (20 mhz) see note 1 30 50 mv p - p temperature coef? cient 0.01 0.02 %/oc output short circuit continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage, rated 60 seconds 3,000 vac rms isolation test voltage flash tested for 1 sec 4,500 vpk reinforced insulation working voltage 300 vac isolation resistance 500 vdc 10 g isolation capacitance 100 khz, 1v 20 pf switching frequency 25 60 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +75 oc operating temperature range case +95 oc storage temperature range -50 +125 oc cooling free air convection humidity rh, non-condensing 95 % physical case size 1.25 x 0.80 x 0.41 inches (31.8 x 20.3 x 10.5 mm) case material non-conductive black plastic (ul94-v0) weight 0.30 oz (12.4g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25oc, gnd benign 1.0 mhours safety approvals ul 60601, ul 60950, en 60601, en 60950 absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 5 vdc input -0.7 7.5 vdc 12 vdc input -0.7 15.0 24 vdc input -0.7 30.0 lead temperature 1.5 mm from case for 10 sec 260 o c internal power dissipation all models 3,000 mw caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. www.micropowerdirect.com electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. 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
model number input output capacitive load ( f, max) ef ciency (%, typ) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) current (ma, min) nominal range full-load no-load ma305ms-05hi 5.0 4.5 - 5.5 1,000 130 5.0 600 0.0 470 60 2,000 ma305ms-12hi 5.0 4.5 - 5.5 960 130 12.0 250 0.0 470 62 2,000 ma305ms-15hi 5.0 4.5 - 5.5 960 130 15.0 200 0.0 470 62 2,000 ma305md-12hi 5.0 4.5 - 5.5 1,000 130 12.0 125 0.0 220 60 2,000 ma305md-15hi 5.0 4.5 - 5.5 1,000 130 15.0 100 0.0 220 60 2,000 ma312ms-05hi 12 10.8 - 13.2 420 60 5.0 600 0.0 470 60 1,000 ma312ms-12hi 12 10.8 - 13.2 400 60 12.0 250 0.0 470 62 1,000 ma312ms-15hi 12 10.8 - 13.2 400 60 15.0 200 0.0 470 62 1,000 ma312md-12hi 12 10.8 - 13.2 420 60 12.0 125 0.0 220 60 1,000 ma312md-15hi 12 10.8 - 13.2 420 60 15.0 100 0.0 220 60 1,000 ma324ms-05hi 24 21.6 - 26.4 210 40 5.0 600 0.0 470 60 500 ma324ms-12hi 24 21.6 - 26.4 195 40 12.0 250 0.0 470 64 500 ma324ms-15hi 24 21.6 - 26.4 195 40 15.0 200 0.0 470 64 500 ma324md-12hi 24 21.6 - 26.4 210 40 12.0 125 0.0 220 60 500 ma324md-15hi 24 21.6 - 26.4 210 40 15.0 100 0.0 220 60 500 pin single dual 1+v in +v in 2+v in +v in 10 no pin common 11 no pin common 12 -v out no pin 13 +v out -v out 15 no pin +v out 23 -v in -v in 24 -v in -v in model selection guide mechanical dimensions mechanical notes: all dimensions are typical in inch es (mm) tolerance x.xx = ?.01 (?.25) notes: 1. when measuring output ripple, it is recommended that an external 0.33 f ceramic capacitor be placed from the +v out pin to the -v out pin for single output units and from each output to common for dual output units. for noise sensitive applications, the use of 1.5 f capacitors will reduce the output ripple. 2. dual output units may be connected to provide a 24 vdc or 30 vdc output. to do this, connect the load across the positive (+v out ) and negative (-v out ) outputs and oat the output common. 3. the converter should be connected to a low ac-impedance source. an input source with a highly inductive impedance may affect the stability of the converter. in applications where the converter output loading is high and input power is supplied over long lines, it may be necessary to use a capacitor on the input to insure start-up. in this case, it is recommended that a low esr (esr <1.0 at 100 khz) capacitor be mounted close to the converter. for 5v input units a 4.7 f is recommended, for 12v and 24v units a 2.2 f. 4. it is recommended that a fuse be used on the input of a power supply for protection. see the table above for the correct rating. pin connections 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 www.micropowerdirect.com pin 1 2 10 11 12 13 15 23 24 mecha n ical no t es: all dimensions are typical in inch es (mm) tolerance x.xx = ?.01 ( ?.25 ) pin c o derating curve
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