key features: ? 3w output power ? 2:1 input voltage range ? 1,500 vdc isolation ? short circuit protected ? miniature sip case ? single & dual outputs ? 1.0 mh mtbf ? industry standard pin-out d300rw 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 9.0 12.0 18.0 vdc 24 vdc input 18.0 24.0 36.0 short circuit input power 1,500 mw output parameter conditions min. typ. max. units output voltage accuracy 1.0 3.0 % output voltage balance 1.0 2.0 % line regulation vin = min to max 0.2 0.5 % load regulation , single output iout = 10% to 100% 0.5 0.75 % load regulation , dual output iout = 10% to 100% 0.5 1.0 % ripple & noise (20 mhz) (note 1) 50 100 mv p - p output power protection 120 % temperature coef? cient 0.03 %/c 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 80 pf switching frequency iout = 100% 200 500 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 c storage temperature range -50 +125 c cooling free air convection humidity rh, non-condensing 95 % physical case size 0.87 x 0.47 x 0.37 inches (22.0 x 12.0 x 9.50 mm) case material non-conductive black plastic (ul94-v0) weight 0.20 oz (6.0g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25c, gnd benign 1.0 mhours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 12 vdc input -0.7 22.0 vdc 24 vdc input -0.7 40.0 lead temperature 1.5 mm from case for 10 sec 300 c internal power dissipation all models 1,800 mw caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. electrical speci cations speci? cations typical @ +25c, 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 rohs compliant
model selection guide mechanical dimensions model number input output 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 d301rw 12 9.0 - 18.0 320 22 5.0 600.0 60.0 78 700 d302rw 12 9.0 - 18.0 316 22 9.0 333.0 33.0 79 700 d303rw 12 9.0 - 18.0 312 22 12.0 250.0 25.0 80 700 d304rw 12 9.0 - 18.0 312 22 15.0 200.0 20.0 80 700 d305rw 12 9.0 - 18.0 320 22 5.0 300.0 30.0 78 700 d306rw 12 9.0 - 18.0 316 22 9.0 167.0 17.0 79 700 d307rw 12 9.0 - 18.0 312 22 12.0 125.0 13.0 80 700 d308rw 12 9.0 - 18.0 312 22 15.0 100.0 10.0 80 700 D311RW 24 18.0 - 36.0 160 10 5.0 600.0 60.0 78 350 d312rw 24 18.0 - 36.0 158 10 9.0 333.0 33.0 79 350 d313rw 24 18.0 - 36.0 156 10 12.0 250.0 25.0 80 350 d314rw 24 18.0 - 36.0 154 10 15.0 200.0 20.0 81 350 d315rw 24 18.0 - 36.0 160 10 5.0 300.0 30.0 78 350 d316rw 24 18.0 - 36.0 158 10 9.0 167.0 17.0 79 350 d317rw 24 18.0 - 36.0 156 8 12.0 125.0 13.0 80 350 d318rw 24 18.0 - 36.0 154 8 15.0 100.0 10.0 81 350 pin single dual 1 -vin -vin 2 +vin +vin 3 remote on/off 5nf nf 6 +vout +vout 7 -vout common 8 cs -vout nf = no function pin connections notes: 1. when measuring output ripple, it is recommended that an external ceramic capaci- tor (approx. 1 f to 10 f) 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. these units should not be operated with a load under 10% of full load. operation at no-load may cause damage to the unit. 3. these converters are speci? ed for operation without external components. however, in some applications the addition of input/output capacitors will enhance stability and reduce output ripple. recommended capaci- tor values are given in the table at right. using simple lc ? lter networks on the input/output will provide further improve- ment. this only requires the addition of small inductors to the input/output ? lter circuits. recommended values are 4.7 h to 120 h for an input inductor and 2.2 h to 10 h for an output inductor. output ripple on single output units may be further enhanced by using the cs termi- nal (single output units operated at 50% load or below should use this function). a low esr capacitor is connected between the cs pin and the -vout pin (the anode of the capacitor is connected to the -vout pin). recommended capacitor values are given in the table above. if not used, the cs pin should be left open. 4. dual output units may be connected to provide a 10v, 18v, 24v or 30 vdc output. to do this, connect the load across the +vout and -vout outputs and ? oat the output common. 5. the remote on/off control pin is referenced to the -vin pin (pin 1). input current to the pin should be between 5 - 10 ma with a maximum of 20 ma. 6. it is recommended that a fuse be used on the input of a power supply for protec- tion. see the model selection table above for the correct rating. vin input capacitor vout output capacitor 0 - 70? (electrolitic) -40 - 85? (tantalum) 12 vdc 100 f 5 vdc 100 f 47 f 24 vdc 10 - 47 f 9 vdc 100 f 47 f 12 vdc 100 f 47 f 15 vdc 100 f 47 f output voltage 5v 9v 12v 15v cs 47 f - 100 f 22 f - 47 f min max on <0.6 vdc to open circuit off 2.7 vdc 15.0 vdc mechanical notes: ? all dimensions are typical in inch es (mm) ? tolerance x.xx = 0.01 (0.25) micropower direct www.micropowerdirect.com 292 page street ste d stoughton, ma 02072 ? tel: (781) 344-8226 ? fax: (781) 344-8481 ? e-mail: sales@micropowerdirect.com output max cap load 5.0 vdc 2,200 f 9.0 vdc 1,000 f 12.0 vdc 820 f 15.0 vdc 680 f 5.0 vdc 560 f 9.0 vdc 470 f 12.0 vdc 330 f 15.0 vdc 220 f capacitive load derating curve
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