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 ? 2:1 input voltage range ? 3,000 vdc isolation ? 32 standard models ? single & dual outputs ? compact dip case ? -40c to +85c operation ? industry standard pin-out MA300RWI wide 2:1 input, 3w, high 3 kvdc isolation dc/dc con vert ers input parameter conditions min. typ. max. units input start voltage 5 vdc input 4.5 vdc 12 vdc input 9.0 24 vdc input 18.0 48 vdc input 36.0 under voltage shutdown 5 vdc input 4.0 vdc 12 vdc input 8.5 24 vdc input 17.5 48 vdc input 35.5 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 300 500 ?ec transient response deviation ?.0 ?.0 % temperature coef cient ?.01 ?.02 %/? output overload protection foldback 120 150 % 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 300 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) 5 vdc input -0.7 11.0 vdc 12 vdc input -0.7 25.0 24 vdc input -0.7 50.0 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 4:1 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 ma305s-03rwi 5 4.5 - 9.0 514 65 3.3 600.0 0.0 77 100.0 680 1,500 ma305s-05rwi 5 4.5 - 9.0 641 65 5.0 500.0 0.0 78 100.0 470 1,500 ma305s-12rwi 5 4.5 - 9.0 732 65 12.0 250.0 0.0 82 100.0 330 1,500 ma305s-15rwi 5 4.5 - 9.0 732 65 15.0 200.0 0.0 82 100.0 220 1,500 ma305s-24rwi 5 4.5 - 9.0 741 65 24.0 125.0 0.0 81 100.0 100 1,500 ma305d-05rwi 5 4.5 - 9.0 649 65 ?.0 ?50.0 ?.0 77 100.0 ?20 1,500 ma305d-12rwi 5 4.5 - 9.0 741 65 ?2.0 ?25.0 ?.0 81 100.0 ?50 1,500 ma305d-15rwi 5 4.5 - 9.0 741 65 ?5.0 ?00.0 ?.0 81 100.0 ?00 1,500 ma312s-03rwi 12 9.0 - 18.0 209 35 3.3 600.0 0.0 79 30.0 680 600 ma312s-05rwi 12 9.0 - 18.0 257 35 5.0 500.0 0.0 81 30.0 470 600 ma312s-12rwi 12 9.0 - 18.0 294 35 12.0 250.0 0.0 85 30.0 330 600 ma312s-15rwi 12 9.0 - 18.0 294 35 15.0 200.0 0.0 85 30.0 220 600 ma312s-24rwi 12 9.0 - 18.0 298 35 24.0 125.0 0.0 84 30.0 100 600 ma312d-05rwi 12 9.0 - 18.0 260 35 ?.0 ?50.0 ?.0 80 30.0 ?20 600 ma312d-12rwi 12 9.0 - 18.0 298 35 ?2.0 ?25.0 ?.0 84 30.0 ?50 600 ma312d-15rwi 12 9.0 - 18.0 298 35 ?5.0 ?00.0 ?.0 84 30.0 ?00 600 ma324s-05rwi 24 18.0 - 36.0 104 20 3.3 600.0 0.0 79 15.0 680 300 ma324s-05rwi 24 18.0 - 36.0 129 20 5.0 500.0 0.0 81 15.0 470 300 ma324s-12rwi 24 18.0 - 36.0 147 20 12.0 250.0 0.0 85 15.0 330 300 ma324s-15rwi 24 18.0 - 36.0 147 20 15.0 200.0 0.0 85 15.0 220 300 ma324s-24rwi 24 18.0 - 36.0 149 20 24.0 125.0 0.0 84 15.0 100 300 ma324d-05rwi 24 18.0 - 36.0 130 20 ?.0 ?50.0 ?.0 80 15.0 ?20 300 ma324d-12rwi 24 18.0 - 36.0 149 20 ?2.0 ?25.0 ?.0 84 15.0 ?50 300 ma324d-15rwi 24 18.0 - 36.0 149 20 ?5.0 ?00.0 ?.0 84 15.0 ?00 300 ma348s-03rwi 48 36.0 - 72.0 52 15 3.3 600.0 0.0 79 10.0 680 150 ma348s-05rwi 48 36.0 - 72.0 64 15 5.0 500.0 0.0 81 10.0 470 150 ma348s-12rwi 48 36.0 - 72.0 74 15 12.0 250.0 0.0 85 10.0 330 150 ma348s-15rwi 48 36.0 - 72.0 74 15 15.0 200.0 0.0 85 10.0 220 150 ma348s-24rwi 48 36.0 - 72.0 74 15 24.0 125.0 0.0 84 10.0 100 150 ma348d-05rwi 48 36.0 - 72.0 65 15 ?.0 ?50.0 ?.0 80 10.0 ?20 150 ma348d-12rwi 48 36.0 - 72.0 74 15 ?2.0 ?25.0 ?.0 84 10.0 ?50 150 ma348d-15rwi 48 36.0 - 72.0 74 15 ?5.0 ?00.0 ?.0 84 10.0 ?00 150 for 1.5 kv isolation, see ma300-xxrw series datasheet for 4:1 inputs, see ma300-xxru 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 5v input units a 8.2 f is recommended, for 12v input units, a 3.3 f; and for 24v & 48v units a 1.5 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 pin s in g l e dual 2 , 3 -v in -v in 9 no pi n c ommo n 11 n c -v out v v 14 +v out v v +v out v v 1 6 -v out v v c ommo n 22 , 23 +v in +v in n c : no c onnectio n pin co nnection s derating curve
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