key features: ? 3w output power ? 4:1 input voltage range ? 1,600 vdc isolation ? short circuit protected ? miniature sip case ? single & dual outputs ? 800 kh mtbf ? industry standard pin-out d300ru single & dual output 3w sip, wide input dc/dc con vert ers series input parameter conditions min. typ. max. units input voltage range 12 vdc input 4.5 12.0 18.0 vdc 24 vdc input 9.0 24.0 36.0 48 vdc input 18.0 24.0 72.0 start-up voltage 12 vdc input 3.0 4.0 4.5 vdc 24 vdc input 4.5 6.0 9.0 48 vdc input 8.5 12.0 18.0 under voltage shutdown 12 vdc input 3.5 4.0 vdc 24 vdc input 8.0 48 vdc input 16.0 output parameter conditions min. typ. max. units output voltage accuracy 0.5 1.0 % output voltage balance dual outputs, balanced loads 0.5 2.0 % line regulation vin = min to max 0.3 0.5 % load regulation iout = 25% to 100% 0.5 1.0 % ripple & noise (20 mhz), see note 1 iout = 10% to 100% 50 75 mv p - p over line, load & temp 100 transient recovery time, see note 2 25% load step change 300 500 sec transient response deviation 3.0 5.0 % temperature coef? cient 0.02 %/c output short circuit continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage 60 seconds 1,600 vdc isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz, 1v 200 pf switching frequency iout = 100% 350 khz remote on/off, see note 3 parameter conditions min. typ. max. units supply on 0.6 vdc supply off 2.7 15.0 vdc standby input current 1.0 2.5 ma control common referenced to negative input (pin 1) environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 c case +105 c storage temperature range -55 +125 c cooling free air convection humidity rh, non-condensing 95 % physical case size 0.86 x 0.44 x 0.37 inches (21.80 x 11.20 x 9.30 mm) case material non-conductive black plastic (ul94-v0) weight 0.17 oz (4.8g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25c, gnd benign 800 khours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 12 vdc input -0.7 25.0 vdc 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 c 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. 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
model selection guide model number input output (see note 4) capcitive 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 d301ru 12 4.5 - 18.0 260 60 3.3 700.0 175.0 1,760 74 1,500 d302ru 12 4.5 - 18.0 320 60 5.0 600.0 150.0 1,000 78 1,500 d303ru 12 4.5 - 18.0 313 60 12.0 250.0 63.0 170 80 1,500 d304ru 12 4.5 - 18.0 313 60 15.0 200.0 50.0 110 80 1,500 d305ru 12 4.5 - 18.0 313 60 5.0 300.0 75.0 470 80 1,500 d306ru 12 4.5 - 18.0 313 60 12.0 125.0 31.0 100 80 1,500 d307ru 12 4.5 - 18.0 313 60 15.0 100.0 25.0 47 80 1,500 d311ru 24 9.0 - 36.0 128 25 3.3 700.0 175.0 1,760 75 700 d312ru 24 9.0 - 36.0 156 25 5.0 600.0 150.0 1,000 80 700 d313ru 24 9.0 - 36.0 154 25 12.0 250.0 63.0 170 81 700 d314ru 24 9.0 - 36.0 154 25 15.0 200.0 50.0 110 81 700 d315ru 24 9.0 - 36.0 158 25 5.0 300.0 75.0 470 79 700 d316ru 24 9.0 - 36.0 156 25 12.0 125.0 31.0 100 80 700 d317ru 24 9.0 - 36.0 154 25 15.0 100.0 25.0 47 81 700 D321RU 48 18.0 - 75.0 65 15 3.3 700.0 175.0 1,760 74 350 d322ru 48 18.0 - 75.0 79 15 5.0 600.0 150.0 1,000 79 350 d323ru 48 18.0 - 75.0 79 15 12.0 250.0 63.0 170 79 350 d324ru 48 18.0 - 75.0 79 15 15.0 200.0 50.0 110 79 350 d325ru 48 18.0 - 75.0 79 15 5.0 300.0 75.0 470 79 350 d326ru 48 18.0 - 75.0 79 15 12.0 125.0 31.0 100 79 350 d327ru 48 18.0 - 75.0 78 15 15.0 100.0 25.0 47 80 350 www.micropowerdirect.com mechanical dimensions 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. 2. transient recovery is measured to within a 1% error band for a 75-100% load change. 3. an open collector switch (or equivalent) may be used to turn the unit on/off by controlling the voltage level at pin 3. the maximum sink current at the on/off pin during a logic low is 1 ma. the maximum allowable leakage current of a switch connected to the on/off pin is 1 ma. if the on/off pin (pin 3) is left open, the unit ope rates. 4. no load operation will not damage these units, but they may not meet all spec s. recommended minimum load levels are given in the table above. 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 equivalent series resistance (esr <1.0? at 100 khz) capacitor be mounted close to the converter. a 3.3 f is recommended for 12v input models and a 1.5 f for 24 & 48v units. 6. dual output units may be connected to provide a 10v, 24v, or 30 vdc output. to do this, connect the load across the +vout and -vout outputs and oat the output common. 7. it is recommended that a fuse be used on the input of a power supply for protection. see the model selection table above for the correct rating. mechanical notes: all dimensions are typical in inch es (mm) tolerance x.xx = ?.01 (?.25) 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 pin single dual pin single dual 1 -vin -vin 6 +vout +vout 2 +vin +vin 7 -vout common 3 remote on/off 8 nc -vout 5nc nc nc = no connection pin connections derating curve
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