key features: ? 3w output power ? 4:1 input voltage range ? 1,500 vdc isolation ? en60950 compliant ? meets en55022 ?a? ? single & dual outputs ? 1.0 mh mtbf ? industry standard pin-out A300RU single & dual output, 3w ultra-wide input range dc/dc con vert ers series 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 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. input parameter conditions min. typ. max. units input start voltage 24 vdc input 6.0 7.5 9.0 vdc 48 vdc input 12.0 15.0 18.0 under voltage shutdown 24 vdc input 8.5 vdc 48 vdc input 16.0 input filter (pi) filter (meets en55022 class ?a?) reverse polarity input current 0.5 a short circuit input power 2,000 mw output parameter conditions min. typ. max. units output voltage accuracy 0.5 2.0 % output voltage balance dual output , balanced loads 0.5 3.0 % line regulation vin = min to max 0.2 1.0 % load regulation iout = 10% to 100% 0.3 1.0 % ripple & noise (20 mhz) see note 1 40 75 mv p - p ripple & noise (20 mhz) over line, load & temp 150 mv p - p ripple & noise (20 mhz) 15 mv rms output power protection vin = min 110 % transient recovery time (note 2) 25% load step change 150 500 sec transient response deviation 2.0 % temperature coef? cient 0.01 0.02 %/oc output short circuit continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage 60 seconds 1,500 vdc isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz/1v 380 500 pf switching frequency 350 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +71 oc operating temperature range case +90 oc storage temperature range -55 +125 oc cooling free air convection humidity rh, non-condensing 95 % physical case size 1.25 x 0.80 x 0.40 inches (31.8 x 20.3 x 10.2 mm) case material non-conductive black plastic (ul94v-0) weight 0.42 oz (12.2g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25oc, 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 oc internal power dissipation all models 2,500 mw caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings.
vout maximum load capacitance vout maximum load capacitance 3.3 vdc 680 f 12 vdc 150 f 5 vdc 470 f 15 vdc 100 f 12 vdc 330 f 15 vdc 220 f model selection guide mechanical dimensions mechanical notes: all dimensions are typical in inch es (mm) tolerance x.xx = ?.01 (?.25) 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 derating curve pin single dual 2, 3 -vin -vin 9 no pin common 11 nc -vout 14 +vout +vout 16 -vout common 22, 23 +vin +vin nc: no connection pin connections model number input output ef ciency (%, typ) fuse rating slow-blow (ma) voltage (vdc) current (ma) re ected ripple current (ma, typ) voltage (vdc) current (ma, max) current (ma, min) nominal range full-load no-load a301ru 24 9.0 - 36.0 138 20 10 3.3 750 93.0 75 1,000 a302ru 24 9.0 - 36.0 158 20 10 5.0 600 75.0 79 1,000 a303ru 24 9.0 - 36.0 154 20 10 12.0 250 32.0 81 1,000 a304ru 24 9.0 - 36.0 152 20 10 15.0 200 25.0 82 1,000 a305ru 24 9.0 - 36.0 156 20 10 12.0 125 16.0 80 1,000 a306ru 24 9.0 - 36.0 156 20 10 15.0 100 13.0 80 1,000 a311ru 48 18.0 - 75.0 68 10 10 3.3 750 93.0 76 500 a312ru 48 18.0 - 75.0 78 10 10 5.0 600 75.0 80 500 a313ru 48 18.0 - 75.0 75 10 10 12.0 250 32.0 83 500 a314ru 48 18.0 - 75.0 74 10 10 15.0 200 25.0 84 500 a315ru 48 18.0 - 75.0 76 10 10 12.0 125 16.0 82 500 a316ru 48 18.0 - 75.0 76 10 10 15.0 100 13.0 82 500 notes: 1. when measuring output ripple, it is recommended that an external 0.47 ? ceramic capacitor be placed from the +vout pin to the -vout pin for single output units and from each output to common for dual output units. for noise sensitive applications, the use of 3.3 ? capacitors will reduce the output ripple. 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. however, they may not meet all speci cations. 4. dual output units may be connected to provide a 24 vdc or 30 vdc output. to do this, connect the load across the positive (+vout) and negative (-vout) outputs and oat the output common. 5. 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 ? is recommended; and for 48v units a 2.2 ?. 6. 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. capacitive load
|
