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24v mini family rev 4.9 vicorpower.com page 1 of 15 01/2016 800 927.9474 features & benefts ? dc input range: 18 C 36v ? isolated output ? operation to 16v at 75% power after startup ? input surge withstand: 50v for 100ms ? dc output: 3.3 C 48v ? programmable output: 10 to 110% ? regulation: 0.5% no load to full load ? effciency: up to 89% ? maximum operating temp: 100c, full load ? power density: up to 80 w per cubic inch ? height above board: 0.43in. (10,9mm) ? parallelable, with n+m fault tolerance ? low noise zcs/zvs architecture ? rohs compliant (with f or g pin option) product overview these dc-dc converter modules use advanced power processing, control and packaging tech - nologies to provide the performance, fexibility, reliability and cost effectiveness of a mature power component. high frequency zcs/zvs switching provides high power density with low noise and high effciency. parameter rating unit notes +in to Cin voltage -0.5 to +53 v dc pc to Cin voltage -0.5 to +7.0 v dc pr to Cin voltage -0.5 to +7.0 v dc sc to -out voltage -0.5 to +1.5 v dc -sense to -out voltage 1.0 v dc isolation voltage in to out 3000 v rms test voltage in to base 1500 v rms test voltage out to base 500 v rms test voltage operating temperature -55 to +100 c m-grade storage temperature -65 to +125 c m-grade pin soldering temperature 500 (260) f (c) < 5 sec; wave solder 750 (390) f (c) < 7 sec; hand solder mounting torque 5 (0.57) in-lbs (n-m) 6 each output power v out p out 3.3v 100w, 150w 5v 150w, 200w 6.5v 200w 8v 200w 12v 150w, 200w, 250w 15v 150w, 200w 24v 150w, 200w, 250w 28v 150w, 200w, 250w 36 v 150w, 200w 48 v 150w, 200w, 250w part numbering e.g. v24b12t200bl2 absolute maximum ratings 24b b applications industrial and process control, distributed power, medical, ate, communications, defense, and aerospace. for details on proper operation please refer to the: design guide & applications manual for maxi, mini, micro family. output voltage 3v3 = 3.3v 5 = 5v 6.5 = 6.5v 8 = 8v 12 = 12v 15 = 15v 24 = 24v 28 = 28v 36 = 36v 48 = 48v product grade temperatures (c) grade operating storage e = - 10 to +100 - 20 to +125 c = - 20 to +100 - 40 to +125 t = - 40 to +100 - 40 to +125 h = - 40 to +100 - 55 to +125 m = - 55 to +100 - 65 to +125 pin style finish blank: short tin/lead l: long tin/lead s: short modumate gold n: long modumate gold f: short rohs gold g: long rohs gold k: extra long rohs gold baseplate blank: slotted 2: threaded 3: through-hole product type v = standard s = enhanced effciency (avail. 12 vout only) 24v input mini family dc-dc converter module s nr tl cu s c us ? actual size: 2.28 x 2.2 x 0.5in 57,9 x 55,9 x 12,7mm
24v mini family rev 4.9 vicorpower.com page 2 of 15 01/2016 800 927.9474 parameter min typ max unit notes operating input voltage 18 24 36 v dc input surge withstand 50 v dc <100ms undervoltage turn-on 17.5 17.9 v dc undervoltage turn-off 14.8 15.3 v dc overvoltage turn-off/on 36.3 37.8 39.6 v dc disabled input current 4.0 v dc pc pin low parameter min typ max unit notes output voltage setpoint 1% v out nom. nominal input; full load; 25c line regulation 0.02 0.20 % low line to high line; full load temperature regulation 0.002 0.005 % / c over operating temperature range power sharing accuracy 2 5 % 10 to 100% of full load of nominal output voltage. for trimming below 90% programming range 10 110 % of nominal, a minimum load of 10% of maximum rated power may be required. +out to Cout, +sense to Cout absolute maximum ratings 3.3v -0.5 to 4.7 v dc externally applied 5v -0.5 to 7.0 v dc externally applied 6.5v -0.5 to 9.1 v dc externally applied 8v -0.5 to 10.9 v dc externally applied 12v -0.5 to 16.1 v dc externally applied 15v -0.5 to 20.0 v dc externally applied 24v -0.5 to 31.7 v dc externally applied 28v -0.5 to 36.9 v dc externally applied 36v -0.5 to 47.1 v dc externally applied 48v -0.5 to 62.9 v dc externally applied module input specifications module output specifications electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specifed. all temperatures refer to the operating temperature at the center of the baseplate. note: for important information relative to applications where the converter modules are subject to continuous dynamic loading, contact vicor applications engineering at 800-927-9474. parameter min typ max unit baseplate to sink; fat, greased surface 0.16 c/watt baseplate to sink; thermal pad (p/n 20264) 0.14 c/watt baseplate to ambient 8.0 c/watt baseplate to ambient; 1000 lfm 1.9 c/watt thermal capacity 83 watt-sec/c thermal resistance and capacity module family electrical characteristics 24v input
24v mini family rev 4.9 vicorpower.com page 3 of 15 01/2016 800 927.9474 parameter min typ max unit notes remote sense (total drop) 0.5 v dc 0.25v per leg (sense leads must be connected to respective, output terminals) isolation test voltage (in to out)* 3000 v rms complies with reinforced insulation requirements isolation test voltage (in to base)* 1500 v rms complies with basic insulation requirements isolation test voltage (out to base)* 500 v rms complies with operational insulation requirements isolation resistance 10 m in to out, in to baseplate, out to baseplate weight (e, c, t grade) 3.1 3.5 3.9 ounces (89.3) (100.3) (111.3) (grams) weight (h, m grade) 3.5 3.9 4.3 ounces (99.6) (110.6) (121.6) (grams) temperature limiting 100 115 c see figs. 3 and 5. do not operate coverter >100c. agency approvals curus, ctvus, ce ul60950-1, en60950-1, csa60950-1, iec60950-1. with appropriate fuse in series with the +input parameter min typ max unit notes primary side (pc = primary control; pr = parallel) pc bias voltage 5.50 5.75 6.00 v dc pc current = 1.0ma current limit 1.5 2.1 3.0 ma pc voltage = 5.5v during normal operation pc module disable 2.3 2.6 2.9 v dc switch must be able to sink 4ma. see fig. 2 pc module enable delay 4 7 ms pc module alarm 0.5 vavg uv, ov, ot, module fault. see figs. 3 and 5 pc resistance 0.9 1.0 1.1 m see fig. 3, converter off or fault mode pr emitter amplitude 5.7 5.9 6.1 volts pr load >30 , < 30pf pr emitter current 150 ma pr receiver impedance 375 500 625 25c pr receiver threshold 2.4 2.5 2.6 volts minimum pulse width: 20ns pr drive capability 12 modules without pr buffer amplifer secondary side (sc = secondary control) sc bandgap voltage 1.21 1.23 1.25 v dc referenced to Csense sc resistance 990 1000 1010 sc capacitance 0.033 f sc module alarm 0 v dc with open trim; referenced to Csense. see fig. 7 module control specifications module general specifications * isolation test voltage, 1 minute or less. note: specifcations are subject to change without notice. module family electrical characteristics (cont.) 24v input
24v mini family rev 4.9 vicorpower.com page 4 of 15 01/2016 800 927.9474 parameter min typ max unit notes effciency s24b3v3c100bl (enhanced effciency) 83.5 85.1 % nominal input; full load; 25c v24b3v3c100bl (standard effciency) 80.4 81.4 ripple and noise 71 89 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 4.14 4.3 4.46 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 2.5 3 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 30.3 amps current limit 30.9 34.8 41 amps output voltage 95% of nominal short circuit current 21.2 34.8 41 amps output voltage <250mv 3.3 v out , 100w (e.g. s24b3v3c100bl, v24b3v3c100bl) parameter min typ max unit notes effciency s24b3v3c150bl (enhanced effciency) 84.0 86.5 % nominal input; full load; 25c v24b3v3c150bl (standard effciency) 80.0 81.4 ripple and noise 160 200 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 4.14 4.3 4.46 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 5 6 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 45.45 amps current limit 46.4 52.3 61.5 amps output voltage 95% of nominal short circuit current 31.8 52.3 61.5 amps output voltage <250mv 3.3 v out , 150w (e.g. s24b3v3c150bl, v24b3v3c150bl) parameter min typ max unit notes effciency s24b5c150bl (enhanced effciency) 86.0 87.2 % nominal input; full load; 25c v24b5c150bl (standard effciency) 83.5 84.8 ripple and noise 50 63 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 6.03 6.25 6.47 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 3.7 4.5 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 30 amps current limit 30.6 34.5 40.5 amps output voltage 95% of nominal short circuit current 5 34.5 40.5 amps output voltage <250mv 5 v out , 150w (e.g. s24b5c150bl, v24b5c150bl) parameter min typ max unit notes effciency s24b5c200bl (enhanced effciency) 85.9 87.0 % nominal input; full load; 25c v24b5c200bl (standard effciency) 80.5 84.9 ripple and noise 95 119 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 6.07 6.3 6.53 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 5.1 5.5 watts no load load regulation 0.02 0.45 % no load to full load; nominal input load current 0 40 amps current limit 40.8 52 54.5 amps output voltage 95% of nominal short circuit current 28 52 62 amps output voltage <250mv 5 v out , 200w (e.g. s24b5c200bl, v24b5c200bl) module specific operating specifications 24v input
24v mini family rev 4.9 vicorpower.com page 5 of 15 01/2016 800 927.9474 parameter min typ max unit notes effciency s24b12c200bl (enhanced effciency) 87.0 90.0 % nominal input; full load; 25c v24b12c200bl (standard effciency) 87.0 88.0 ripple and noise 360 450 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 13.8 14.4 15 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.6 7.4 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 16.67 amps current limit 17 19.2 22.6 amps output voltage 95% of nominal short circuit current 11.6 19.2 22.6 amps output voltage <250mv 12 v out , 200w (e.g. s24b12c200bl, v24b12c200bl) parameter min typ max unit notes effciency s24b8c200bl (enhanced effciency) 87.0 89.0 % nominal input; full load; 25c v24b8c200bl (standard effciency) 85.0 86.4 ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 9.36 9.7 10.1 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 5 6 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 25 amps current limit 25.5 28.8 33.8 amps output voltage 95% of nominal short circuit current 17.5 28.8 33.8 amps output voltage <250mv 8 v out , 200w (e.g. s24b8c200bl, v24b8c200bl) module specific operating specifications (cont.) parameter min typ max unit notes effciency s24b6v5c200bl (enhanced effciency) 84.5 87.5 % nominal input; full load; 25c v24b6v5c200bl (standard effciency) 83.2 84.6 ripple and noise 182 230 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 7.7 8.0 8.3 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 5.3 6.2 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 30.8 amps current limit 31.4 35.4 41.5 amps output voltage 95% of nominal short circuit current 21.5 35.4 41.5 amps output voltage <250mv 6.5 v out , 200w (e.g. s24b6v5c200bl, v24b6v5c200bl) parameter min typ max unit notes effciency s24b12c250bl (enhanced effciency) 87.0 89.0 % nominal input; full load; 25c v24b12c250bl (standard effciency) 86.0 87.4 ripple and noise 172 215 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 13.8 14.3 14.8 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 6.5 7.6 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 20.8 amps current limit 21.3 24.0 28.1 amps output voltage 95% of nominal short circuit current 14.6 24.0 28.1 amps output voltage <250mv 12 v out , 250w (e.g. s24b12c250bl, v24b12c250bl) 24v input
24v mini family rev 4.9 vicorpower.com page 6 of 15 01/2016 800 927.9474 module specific operating specifications (cont.) parameter min typ max unit notes effciency 86.0 87.0 % nominal input; full load; 25c ripple and noise 300 360 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 27.1 28.1 29.1 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 7.7 9.0 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 10.4 amps current limit 10.6 12.0 14.1 amps output voltage 95% of nominal short circuit current 7.3 12.0 14.1 amps output voltage <250mv 24 v out , 250w (e.g. v24b24c250bl) parameter min typ max unit notes effciency 88.0 88.9 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 17.1 17.8 18.5 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.4 5.4 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 10 amps current limit 10.2 11.5 13.5 amps output voltage 95% of nominal short circuit current 7 11.5 13.5 amps output voltage <250mv 15 v out , 150w (e.g. v24b15c150bl) parameter min typ max unit notes effciency 88.0 88.9 % nominal input; full load; 25c ripple and noise 250 313 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 17.1 17.8 18.5 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 3.4 3.8 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 13.33 amps current limit 13.5 15.9 17.3 amps output voltage 95% of nominal short circuit current 13.5 16.1 17.3 amps output voltage <250mv 15 v out , 200w (e.g. v24b15c200bl) parameter min typ max unit notes effciency s24b12c150bl (enhanced effciency) 87.5 90.0 % nominal input; full load; 25c v24b12c150bl (standard effciency) 87.0 88.6 ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 13.7 14.3 14.9 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.5 5.4 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 12.5 amps current limit 12.7 14.4 16.9 amps output voltage 95% of nominal short circuit current 8.75 14.4 16.9 amps output voltage <250mv 12 v out , 150w (e.g. s24b12c150bl, v24b12c150bl) 24v input
24v mini family rev 4.9 vicorpower.com page 7 of 15 01/2016 800 927.9474 parameter min typ max unit notes effciency 86.5 87.7 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 27.1 28.1 29.1 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.7 5.1 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 6.25 amps current limit 6.37 7.19 8.44 amps output voltage 95% of nominal short circuit current 3 7.19 8.44 amps output voltage <250mv 24 v out , 150w (e.g. v24b24c150bl) parameter min typ max unit notes effciency 87.2 88.7 % nominal input; full load; 25c ripple and noise 133 166 mv p-p nominal input; full load; 20mhz bandwidth output ovp setpoint 31.5 32.7 33.8 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 9.6 10.5 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 8.9 amps current limit 9.1 10.3 12.1 amps output voltage 95% of nominal short circuit current 6.3 10.3 12.1 amps output voltage <250mv 28 v out , 250w (e.g. v24b28c250bl) parameter min typ max unit notes effciency 85.0 87.0 % nominal input; full load; 25c ripple and noise 180 225 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 31.6 32.8 34 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.5 5.5 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 7.14 amps current limit 7.29 8.22 9.66 amps output voltage 95% of nominal short circuit current 5 8.22 9.66 amps output voltage <250mv 28 v out , 200w (e.g. v24b28c200bl) module specific operating specifications (cont.) parameter min typ max unit notes effciency 85.4 87.0 % nominal input; full load; 25c ripple and noise 260 325 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 27.5 28.5 29.5 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 5.1 6.2 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 8.33 amps current limit 8.46 9.8 11.5 amps output voltage 95% of nominal short circuit current 5.81 9.8 11.5 amps output voltage <250mv 24 v out , 200w (e.g. v24b24c200bl) 24v input
24v mini family rev 4.9 vicorpower.com page 8 of 15 01/2016 800 927.9474 parameter min typ max unit notes effciency 87.6 89.1 % nominal input; full load; 25c ripple and noise 182.0 228.0 mv p-p nominal input; full load; 20mhz bandwidth output ovp setpoint 53.8 55.7 57.6 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 7.4 8.5 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 5.2 amps current limit 5.3 6.0 7.0 amps output voltage 95% of nominal short circuit current 3.6 6.0 7.0 amps output voltage <250mv 48 v out , 250w (e.g. v24b48c250bl) module specific operating specifications (cont.) parameter min typ max unit notes effciency 86.7 88.0 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 40.4 41.9 43.4 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.2 5 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 4.17 amps current limit 4.25 4.8 5.63 amps output voltage 95% of nominal short circuit current 2.91 4.8 5.63 amps output voltage <250mv 36 v out , 150w (e.g. v24b36c150bl) parameter min typ max unit notes effciency 87.0 88.0 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 40.4 41.9 43.4 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.5 5.3 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 5.55 amps current limit 5.67 6.39 7.51 amps output voltage 95% of nominal short circuit current 3.89 6.39 7.51 amps output voltage <250mv 36 v out , 200w (e.g. v24b36c200bl) parameter min typ max unit notes effciency 86.5 87.8 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 31.5 32.7 33.9 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 4.3 5.2 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 5.36 amps current limit 5.46 6.16 7.24 amps output voltage 95% of nominal short circuit current 3.75 6.16 7.24 amps output voltage <250mv 28 v out , 150w (e.g. v24b28c150bl) 24v input
24v mini family rev 4.9 vicorpower.com page 9 of 15 01/2016 800 927.9474 parameter min typ max unit notes effciency 87.9 88.9 % nominal input; full load; 25c ripple and noise 125 157 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 53.7 55.7 57.7 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 3.7 4.2 watts no load load regulation 0.02 0.2 % no load to full load; nominal input load current 0 3.13 amps current limit 3.19 3.6 4.23 amps output voltage 95% of nominal short circuit current 2.19 3.6 4.33 amps output voltage <250mv 48 v out , 150w (e.g. v24b48c150bl) parameter min typ max unit notes effciency 86.0 87.5 % nominal input; full load; 25c ripple and noise 225 282 mv p-p; nominal input; full load; 20mhz bandwidth output ovp setpoint 53.8 55.8 57.8 volts 25c; recycle input voltage or pc to restart (>100ms off) dissipation, standby 5.4 5.8 watts no load load regulation 0.02 0.5 % no load to full load; nominal input load current 0 4.17 amps current limit 4.25 4.8 5.63 amps output voltage 95% of nominal short circuit current 2.91 4.8 5.63 amps output voltage <250mv 48 v out , 200w (e.g. v24b48c200bl) module specific operating specifications (cont.) 24v input
24v mini family rev 4.9 vicorpower.com page 10 of 15 01/2016 800 927.9474 +in pc pr ?in +out +s sc ?s ?out c3* 4.7nf c2* 4.7nf for c1 ? c5, keep leads and connections short. c5* 4.7nf c4* 4.7nf f1* c1* 0.2f figure 1 ? application circuits ? design requirements ? emc considerations ? current sharing in power arrays ? thermal performance information ? recommended soldering methods ? accessory modules C fltering, rectifcation, front-ends ? mounting options ? ...and more. also at vicorpower.com ? powerbench online confgurators ? over 20 application notes ? online calculators C thermal, trimming, hold-up ? pdf data sheets for all vicor products click here to view design guide 24v input
24v mini family rev 4.9 vicorpower.com page 11 of 15 01/2016 800 927.9474 disab le disab le = pc <2.3v +out +s sc ?s ?out +in pc pr ?in figure 2 module enable/disable +out +s sc ?s ? out +in pc pr ?in input undervoltage 2-20 ms typ. f (v in ) auto restart 5.7 vdc (0-3 ma) 50 sw2 sw3 1.23 vdc 6 k 1 k sw1 sw1, 2, & 3 shown in "fault" position input overvoltage (see note 1) overtemperature module faults 1 not applicable for 300 vdc input family 1 m figure 3 pc/sc module alarm logic figure 4 led on-state indicator 4k "module enabled" +out +s sc ?s ?out +in pc pr ?in 2?20 ms typ . f ault sc pc 1.23 v 5.7 v 40 s typ . figure 5 pc/sc module alarm timing optocoupler +out +s sc ?s ?out +in pc pr ?in 4 k alarm 1.00v +out +s sc ?s ?out +in pc pr ?in figure 6 isolated on-state indicator figure 7 secondary side on-state indicator module enable/disable the module may be disabled by pulling pc to 0v (2.3v max) with respect to the Cinput. this may be done with an open collector transistor, relay, or optocoupler. converters may be disabled with a single transistor or relay either directly or via oring diodes for 2 or more converters. see figure 2. primary auxiliary supply during normal operation only, the pc pin can source 5.7v @ 1.5ma. in the example shown in figure 4, pc powers a module enabled led. module alarm the module contains watchdog circuitry which monitors input voltage, operating temperature and internal operating parame - ters. in the event that any of these parameters are outside of their allowable operating range, the module will shut down and pc will go low. pc will periodically go high and the module will check to see if the fault (as an example, input undervoltage) has cleared. if the fault has not been cleared, pc will go low again and the cycle will restart. the sc pin will go low in the event of a fault and return to its normal state after the fault has been cleared. see figures 3 and 5. primary control - pc pin 24v input
24v mini family rev 4.9 vicorpower.com page 12 of 15 01/2016 800 927.9474 parallel operation the pr pin supports paralleling for increased power with n+1 (n+m) redundancy. modules of the same input voltage, output voltage, and power level will current share if all pr pins are suitably interfaced. compatible interface architectures include the following: ac coupled single-wire interface. all pr pins are connected to a single communication bus through 0.001f (500v) capacitors. this interface supports current sharing and is fault tolerant except for the communication bus. up to three converters may be paralleled by this method. see figure 9. transformer coupled interface. for paralleling four or more converters a transformer coupled interface is required. see figure 10. for details on parallel operation please refer to the design guide & applications manual for maxi, mini, micro family. figure 9 ac coupled single-wire interface * see maxi, mini, micro design guide +in pc pr Cin +in pc pr Cin module 2 module 1 + p arallel bus C 0.2 f 0.001 f 0.2 f 0.001 f lo w inductance gr o und plane or b us 4.7 nf 4.7 nf 4.7 nf 4.7 nf z1 * z1 * +in pc pr Cin +in pc pr Cin module 2 module 1 t1 t2 + C 0.2 f 0.2 f pa rallel bus 4.7 nf 4.7 nf 4.7 nf 4.7 nf z1 * z1 * figure 10 transformer-coupled interface parallel bus - pr pin output voltage programming the output voltage of the converter can be adjusted or programmed via fxed resistors, potentiometers or voltage dacs. see figure 8. figure 8 output voltage trim down and trim up circuit ?out +s sc error amplifier + 0.033 uf ? + -s +out load rd tr im do wn ru tr im up 1.23 v 1 k 100 typ . 1,000 v out vnom ? v out r d (ohms) = 1,000 (v out ?1.23) vnom 1.23 (v out ? vnom) r u (ohms) = ? 1,000 trim down 1. this converter is not a constant power device C it has a constant current limit. hence, available output power is reduced by the same percentage that output voltage is trimmed down. do not exceed maximum rated output current. 2. the trim down resistor must be connected between the sc and -s pins. do not bypass the sc pin directly with a capacitor. trim up 1. the converter is rated for a maximum delivered power. to ensure that maximum rated power is not exceeded, reduce maximum output current by the same percentage increase in output voltage. 2. the trim up resistor must be connected between the sc and +s pins. do not bypass the sc pin directly with a capacitor. 3. do not trim the converter above maximum trim range (typically +10%) or the output over voltage protection circuitry may be activated. secondary control - sc pin trim resistor values calculated automatically: on-line calculators for trim resistor values are available on the vicor website at: asp.vicorpower.com/calculators/calculators.asp?calc=1 resistor values can be calculated for fixed trim up, fixed trim down and for variable trim up or down. 24v input
24v mini family rev 4.9 vicorpower.com page 13 of 15 01/2016 800 927.9474 module 2 module 1 module n+1 +out +s sc ?s ?out load +s ?s +out +s sc ?s ?out +out +s sc ?s ?out figure 11 n+1 module array output connections ? the +out and Cout power buses should be designed to minimize and balance parasitic impedance from each module output to the load. ? the +sense pins must be tied together to form a +sense bus. this must be kelvin connected to +out at a single point. the Csense pins should be tied together to form a Csense bus. this must be kelvin connected to Cout at a single point. ? at the discretion of the power system designer, a subset of all modules within an array may be confgured as slaves by connecting sc to Cs. ? oring diodes may be inserted in series with the +out pins of each module to provide module output fault tolerance. ? the +sense and -sense leads should be routed in close proximity to each other on the printed circuit board. if wires are used to connect the converters on a pcb to an external load, the sense leads should be twisted together to reduce noise pickup. designator description finish notes (none) short tin/lead requires in-board, mounting l long tin/lead on-board mounting for 0.065 boards s short modumate gold surfmate or in-board socket mounting n long modumate gold on-board socket mounting f short rohs gold select for rohs compliant in-board solder, socket, or surfmate mounting g long rohs gold select for rohs compliant on-board solder or socket mounting k extra long rohs gold select for rohs compliance on-board mounting for thicker pcbs (not intended for socket or surfmate mounting) * pin style designator follows the b after the output power and precedes the baseplate designator. ex. v24b12t250bn2 long modumate pins parallel bus output pin styles* 24v input
24v mini family rev 4.9 vicorpower.com page 14 of 15 01/2016 800 927.9474 mechanical drawings pins: tin / lea d hot solder dipped aluminum baseplate all markings this surface no tes: 1. ma terial: base: 6000 series al uminum cov er: lc p, al uminum 3003 h14 pins: r ohs pins gold pla te 30 micro inch min; non-r ohs pins: tin/lead 90/10 bright 2. dimensions and va l ues in bra ckets are metric 3. manuf ac turing c ontrol is in pla ce to ensure tha t the sp a cing between the modules label surf a ce to the printed circuit bo ard of the applic a tion ranges from direc t c ont ac t (zero), to the maximum gap as ca l cula ted from the t olerance st ac k -up and is no t subjec t nega tive t olerance ac cumula tion dimension l pin short ? .55.015 [14.0.38] pin l ong?? .63.015 [16.0.38] pin extra l ong???- .71.015 [18.0.38] figure 12 module outline 0.195 4,95 1.400* 35,56 1.000* 25,40 0.700* 17,78 0.400* 10,16 1.790** 45,47 0.06 1,5 r (4x) 0.158 4,01 5 6 7 8 9 12 34 0.003 0,08 * deno tes t ol = pcb thickness 0.062 0.010 1,57 0,25 short pin style 0.094 0.003 2,39 0,08 inboard solder mount 0.45 0.43 0.45 0.45 11,5 0.53 13,5 0.52 13,2 requires style 2 (long) pin 1.900* 48.26 1.900* 48,26 1.575** 40,00 0.164 0.003 4,16 0,08 long pin style 0.094 0.003 2,39 0,08 onboard solder mount 0.164 0.003 4,16 0,08 solder pi n 0.094 0.003 2,39 0,08 onboard solder mount 0.164 0.003 4,16 0,08 plated through hole dia (7x) (2x) socket headers (surface mount) kit includes input & output p/n 16021 inboard socket mount 0.46 11,7 socket 0.183 0.003 4,65 0,08 onboard socket surface mount 0.56 14,2 surface mount n/a n/a sockets 0.080" dia. pins (7x) p/n 13632 (100 pcs. ) 0.150" dia. pins (2x) p/n 13633 (100 pcs. ) p/n 16019 (9 pc. kit) 0.266 0.003 6,76 0,08 sockets and standoffs are on hold as of 3-3-99 sockets and standoffs are staying the same as of 3-3-99 ** pcb window 0.45 solder mount socket mount optional (2x) * * 0,08 denotes to l= 0.003 * * * * 4 3 12 98 76 5 (9x) pla ted through hole di a pcb mounting specifications 0.400 10,16 0.700 17,78 1.000 25,40 1.400 35,56 1.900 48,26 full r (6x) (6x) (ref .) 0.10 2,5 2.000 50,80 1.30 33,0 2.28 57,9 2.20 55,9 0.130 3,30 0.10 2,5 0.49 12,4 0.65 16,5 0.06 1,5 r( 3x) all markings this surf ace x 45? chamfer use a 4-40 screw (6x) to rque to: 5 in-lbs 0.57 n-m pins styles solder:tin / lead pla ted moduma te: gold pla ted copper rohs: gold pla ted copper aluminum basepla te (2x) 0.01 0.35 8,8 0.20** 5,1 0.12* 3,1 dia,(7x) 0.150 3,81 (ref) dia,(2x) 0.080 2,03 4 3 1 98 2 76 5 0.23 5,8 0.400 10,16 1.400 35,56 1.000 25,40 0.700 17,78 2.20 55,9 1.76 44,7 0.54 13,7 0.43 10,9 pin style 2&n (long pin) 0.62 15,7 pin style 1&s (short pin) (9x) (9x) (all markings this surf ace) aluminum basepla te 0.50 0.02 12,7 0,5 * style 1 baseplate only ** style 2 & 3 baseplates *** reserved for vi cor accessories not for mounting pin center line style 2 & 3 baseplates onl y (4x)*** 0.300 0.015 7,62 0,38 0.300 0.015 7,62 0,38 1.900 48,26 pin c l c l slotted threaded 4-40 unc-2b (6x) thru hole #30 dr ill thru (6x) (0.1285) 0.13 3,3 full r (6x) (6x) pin style k (extra long pin) 0.71 18,0 (9x) no tes: 1. ma terial: base: 6000 series al uminum cover: lc p, al uminum 3003 h14 pins: r ohs pins gold pla te 30 micro inch min; non-r ohs pins: tin/lead 90/10 bright 2. dimensions and va l ues in bra ckets are metric 3. manuf ac turing c ontrol is in pla ce to ensure tha t the sp a cing between the modules label surf a ce to the printed circuit bo ard of the applic a tion ranges from direc t c ont ac t (zero), to the maximum gap as ca l cula ted from the to lerance st ac k -up and is no t subjec t nega tive t olerance ac cumula tion for soldering methods and procedures please refer to: the maxi, mini, micro design guide. figure 13 pcb mounting specifcations converter pins no. function label n ia ontol aallel n ut ene econa ontol ene ut nle oteie eciie ienion ae in ince decimals tol. angles . . . . . . 24v input
24v mini family rev 4.9 vicorpower.com page 15 of 15 01/2016 800 927.9474 vicors comprehensive line of power solutions includes high density ac-dc and dc-dc modules and ac - cessory components, fully confgurable ac-dc and dc-dc power supplies, and complete custom power systems. information furnished by vicor is believed to be accurate and reliable. however, no responsibility is assumed by vicor for its use. vicor makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication. vicor reserves the right to make changes to any products, specifcations, and product descriptions at any time without notice. information published by vicor has been checked and is believed to be accurate at the time it was printed; however, vicor assumes no responsibility for inaccuracies. testing and other quality controls are used to the extent vicor deems necessary to support vicors product warranty. except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. specifcations are subject to change without notice. vicors standard terms and conditions all sales are subject to vicors standard terms and conditions of sale, which are available on vicors webpage or upon request. product warranty in vicors standard terms and conditions of sale, vicor warrants that its products are free from non-conformity to its standard specifcations (the express limited warranty). this warranty is extended only to the original buyer for the period expiring two (2) years after the date of shipment and is not transferable. unless otherwise expressly stated in a written sales agreement signed by a duly authorized vicor signatory, vicor dis - claims all representations, liabilities, and warranties of any kind (whether arising by implication or by operation of law) with respect to the products, including, without limitation, any warranties or representations as to merchantability, fitness for particular purpose, infringement of any patent, copyright, or other intellectual property right, or any other matter. this warranty does not extend to products subjected to misuse, accident, or improper application, maintenance, or storage. vicor shall not be liable for collateral or consequential damage. vicor disclaims any and all liability arising out of the application or use of any product or circuit and assumes no liability for applications assistance or buyer product design. buyers are responsible for their products and applications using vicor products and components. prior to using or distributing any products that include vicor components, buyers should provide adequate design, testing and operat - ing safeguards. vicor will repair or replace defective products in accordance with its own best judgment. for service under this warranty, the buyer must contact vicor to obtain a return material authorization (rma) number and shipping instructions. products returned without prior authorization will be returned to the buyer. the buyer will pay all charges incurred in returning the product to the factory. vicor will pay all reshipment charges if the product was defective within the terms of this warranty. life support policy vicors products are not authorized for use as critical components in life support devices or systems without the express prior written approval of the chief executive officer and general counsel of vicor corporation. as used herein, life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a signifcant injury to the user. a critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness. per vicor terms and conditions of sale, the user of vicor products and components in life support applications assumes all risks of such use and indemnifes vicor against all liability and damages. intellectual property notice vicor and its subsidiaries own intellectual property (including issued u.s. and foreign patents and pending patent applications) relating to the products described in this data sheet. no license, whether express, implied, or arising by estoppel or otherwise, to any intellectual property rights is granted by this document. interested parties should contact vicors intellectual property department. vicor corporation 25 frontage road andover, ma, usa 01810 tel: 800-735-6200 fax: 978-475-6715 email customer service: custserv@vicorpower.com technical support: apps@vicorpower.com 24v input

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