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: ? 3w output power ? 4:1 input voltage range ? 3,000 vdc isolation ? 16 standard models ? single & dual outputs ? compact dip case ? -40c to +85c operation ? industry standard pin-out MA300RUI wide 4:1 input, 3w, high 3 kvdc isolation dc/dc con vert ers input parameter conditions min. typ. max. units input start voltage 24 vdc input 9.0 vdc 48 vdc input 18.0 under voltage shutdown 24 vdc input 8.5 vdc 48 vdc input 17.5 input filter (pi) filter output parameter conditions min. typ. max. units output voltage accuracy ?.0 % output voltage balance dual output, balanced loads ?.5 ?.0 % line regulation v in = min to max ?.3 ?.0 % load regulation i out = 0% to 100% ?.3 ?.0 % ripple & noise (20 mhz) see note 1 70 mv p - p transient recovery time, see note 2 25% load step change 200 500 ?ec transient response deviation ?.0 ?.0 % temperature coef cient ?.01 ?.02 %/? output overload protection foldback 120 % output short circuit continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage 60 seconds 3,000 vdc isolation resistance 500 vdc 1,000 m? isolation capacitance 100 khz/1.0v 500 pf switching frequency 90 khz emi characteristics parameter standard level radiated emissions en 55022 class a conducted emissions en 55022 class a esd en 61000-4-2 criteria a; ? kv air ? kv contact rs en 61000-4-3 criteria a; 10v/m eft see note 3 en 61000-4-4 criteria a; ? kv surge see note 3 en 61000-4-5 criteria a; ? kv cs en 61000-4-6 criteria a; 10v/m environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 ? operating temperature range case +100 ? storage temperature range -50 +125 ? cooling free air convection humidity rh, non-condensing 95 % physical case size 1.25 x 0.80 x 0.40 inches (31.75 x 20.32 x 10.16 mm) case material non-conductive black plastic (ul94-v0) weight 0.45 oz (12.8g) reliability speci? cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25?, gnd benign 1.0 mhours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 24 vdc input -0.7 50.0 vdc 48 vdc input -0.7 100.0 lead temperature 1.5 mm from case for 10 sec 260 ? caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. electrical speci? cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. series 2:1 input range models available 1.5 kv isolation models available
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 model selection guide model number input output ef? ciency (%, typ) re? ected ripple current (ma typ) capacitive load (f, max) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) current (ma, min) nominal range full-load no-load ma324s-05rui 24 9.0 - 36.0 134 30 3.3 750.0 0.0 77 15.0 680 1,000 ma324s-05rui 24 9.0 - 36.0 158 30 5.0 600.0 0.0 79 15.0 470 1,000 ma324s-12rui 24 9.0 - 36.0 152 30 12.0 250.0 0.0 82 15.0 330 1,000 ma324s-15rui 24 9.0 - 36.0 151 30 15.0 200.0 0.0 83 15.0 220 1,000 ma324s-24rui 24 9.0 - 36.0 154 30 24.0 125.0 0.0 81 15.0 100 1,000 ma324d-05rui 24 9.0 - 36.0 130 30 ?.0 ?50.0 ?.0 80 15.0 ?20 1,000 ma324d-12rui 24 9.0 - 36.0 152 30 ?2.0 ?25.0 ?.0 82 15.0 ?50 1,000 ma324d-15rui 24 9.0 - 36.0 152 30 ?5.0 ?00.0 ?.0 82 15.0 ?00 1,000 ma348s-03rui 48 18.0 - 75.0 67 20 3.3 750.0 0.0 77 10.0 680 500 ma348s-05rui 48 18.0 - 75.0 78 20 5.0 600.0 0.0 80 10.0 470 500 ma348s-12rui 48 18.0 - 75.0 75 20 12.0 250.0 0.0 83 10.0 330 500 ma348s-15rui 48 18.0 - 75.0 74 20 15.0 200.0 0.0 84 10.0 220 500 ma348s-24rui 48 18.0 - 75.0 76 20 24.0 125.0 0.0 82 10.0 100 500 ma348d-05rui 48 18.0 - 75.0 65 20 ?.0 ?50.0 ?.0 80 10.0 ?20 500 ma348d-12rui 48 18.0 - 75.0 76 20 ?2.0 ?25.0 ?.0 82 10.0 ?50 500 ma348d-15rui 48 18.0 - 75.0 76 20 ?5.0 ?00.0 ?.0 82 10.0 ?00 500 for 1.5 kv isolation, see ma300x-xxru series datasheet for 2:1 inputs, see ma300x-xxrw series datasheet mechanical notes: all dimensions are typical in inch es (mm) tolerance x.x = ?.02 (?.50) tolerance x.xx = ?.01 (?.25) notes: 1. when measuring output ripple, it is recommended that an external 3.3 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. 2. transient recovery is measured to within a 1% error band for a load step change of 75% to 100%. 3. operation at no-load will not damage these units. 4. an external 220 f/100v capacitor connected across the input pins is required to meet en61000-4-4 and en61000-4-5. 5. dual output units may be connected to provide a 10, 24 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. 6. 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 24v input units a 4.7 f is recommended; and for 48v units a 2.2 f. 7. 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 single dual 2, 3 -v in -v in 9 no pin common 11 nc -v out 14 +v out +v out 16 -v out common 22, 23 +v in +v in nc: no connection pin connections mechanical dimensions derating curve
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