acdc 300 watts ? worldwide medical approvals ? single, dual, triple and quad outputs ? power fail detect ? remote on/off ? u channel and enclosed versions ? 150 watt convectioncooled rating ? 3 year warranty pbm300 series input input voltage ? 90-264 vac input frequency ? 47-63 hz input current ? 4.7 a rms at 115 vac, 2.3 a rms for 230 vac inrush current ? 30 a at 115 vac, 60 a at 230 vac cold start +25 c power factor ? 0.98 typical earth leakage current ? 100 a max at 115 vac/60 hz 220 a max at 230 vac/50 hz input protection ? internal f6.3 a/250 v in line and neutral lines output output voltage ? see table output voltage trim ? 5% for outputs 1 & 2 initial set accuracy ? 2% minimum load ? see table and note 5 start up delay ? 2 s max start up rise time ? 18 ms typical hold up time ? 12 ms min at full load and 110 vac drift ? 0.2% line regulation ? 0.2% max load regulation ? see note 6 transient response ? 4% max deviation, recovery to within 1% in 500 s for a 25% load change ripple & noise ? 2% max pk-pk, 20 mhz bandwidth, with a 22 f electrolytic & a 0.47 f tantalum capacitor overvoltage protection ? 115-140% vnom output 1 only, recycle input to reset overtemperature ? shutdown at +95 c (singles) or +105 c protection (multi-outputs) with auto recovery, measured internally overload protection ? 110-150% typical, auto recovery short circuit protection ? trip and restart (hiccup mode) temperature ? 0.04%/c coefficient remote sense ? compensates for up to 0.5 v drop remote on/off ? on = logic low or open circuit off = logic high xppower.com general efficiency ? 80% maximum isolation ? 4000 vac input to output 1500 vac input to ground 500 vac output to ground switching frequency ? 70 khz 10 khz signals ? power fail detect, remote on/off power density ? 5.08 w/in 3 power fail detect ? ac ok = ttl logic high ac not ok = ttl logic low mtbf ? 300 khrs to mil-hdbk-217f at +25 c, gb environmental operating temperature ? 0 c to +70 c, derate linearly from 100% power at +50 c to 50% power at +70 c cooling ? c versions have internal fan, b versions are derated with convection cooling or require 35 cfm (see note 4) operating humidity ? up to 95% rh, non-condensing storage temperature ? -40 c to +85 c operating altitude ? 2500 m shock ? half sine pulse. acceleration 50 g, 11 ms duration, 3 shocks in each direction, unpackaged, non-operating vibration ? sinusoidal 10-50 hz, amplitude 0.15 mm, 30 min/axis, unpackaged, non-operating emc & safety emissions ? en55011 and fcc class b conducted & radiated harmonic currents ? en61000-3-2, class a voltage flicker ? en61000-3-3 esd immunity ? en61000-4-2, level 3 perf criteria a radiated immunity ? en61000-4-3, level 3 perf criteria a eft/burst ? en61000-4-4, level 3 perf criteria a surge ? en61000-4-5, level 3 perf criteria a conducted immunity ? en61000-4-6, 3 v perf criteria a dips & interruptions ? en61000-4-11, 30% 10 ms, 60% 100 ms, >95% 5000 ms, perf criteria a, a, b safety approvals ? en60601-1, ul60601-1, csa22.2 no. 601-1 per cul specification
06-may-09 acdc notes pbm300 models and ratings 1. for u-bracket format replace suffix -c with suffix -b . 2. all auxiliary outputs are floating and can be connected externally for either positive or negative output. 3. output 1 & 2 can be adjusted within 5% of their nominal voltage. 4. 300 w for c version with cover and fan assembly. 150 watts for b version with convection cooling (maximum current of output 1 & 2 derated by 50%). 300 w for b version with 35 cfm forced air provided by user. pbm300ps03 is rated 200 w with 35 cfm forced air cooling or 100 w convection-cooled. pbm300pq01 is rated 250 w with 35 cfm forced air cooling or 125 w with convection cooling. 5. zero minimum load for outputs 3 & 4. 10% minimum load required on out- put 1 for all outputs to meet regulation. 6. total regulation includes initial tolerance, line regulation and load regulation. 10 1 pcb p4 p4 p2 p3 p5 p6 b a b a 5.70 (144.8) 0.95 (24.1) b a l n g 1 p1 3 b a 1.34 (34.2) 0.94 (24.0) voltage adj., multi voltage adj., single 1.80 (45.7) 2.60 (66.0) 4.50 (114.3) 1.00 (25.4) 0.63 (16.0) 1.75 (44.45) b a a b 1.00 (25.4) 0.63 (16.0) 0.25 (6.35) 7.00 (177.8) 7.50 (190.5) 1.75 (44.45) b a b a fan p6 p3 p5 p2 p4 multi output models p7 1 single output models notes me l7:3;@7<;@ @6 |