View V24B28C250BL_8461534.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

24 v input mini family dc-dc converter module 24 v mini family rev 4.3 vicorpower.com page 1 of 15 07/2014 800 927.9474 features ? dc input range: 18 - 36 v ? isolated output ? operation to 16 v at 75% power after startup ? input surge withstand: 50 v for 100 ms ? dc output: 3.3 C 48 v ? programmable output: 10 to 110% ? regulation: 0.5% no load to full load ? efficiency: up to 89% ? maximum operating temp: 100c, full load ? power density: up to 80 w per cubic inch ? height above board: 0.43 in. (10,9 mm) ? 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 technologies to provide the performance, flexibility, reliability and cost effectiveness of a mature power component. high frequency zcs/zvs switching provides high power density with low noise and high efficiency. parameter rating unit notes +in to ?in voltage -0.5 to +53 vdc pc to ?in voltage -0.5 to +7.0 vdc pr to ?in voltage -0.5 to +7.0 vdc sc to -out voltage -0.5 to +1.5 vdc -sense to -out voltage 1.0 vdc isolation voltage in to out 3000 vrms test voltage in to base 1500 vrms test voltage out to base 500 vrms 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 vout pout 3.3 v 100 w, 150 w 5 v 150 w, 200 w 6.5 v 200 w 8 v 200 w 12 v 150 w, 200 w, 250 w 15 v 150 w, 200 w 24 v 150 w, 200 w, 250 w 28 v 150 w, 200 w, 250 w 36 v 150 w, 200 w 48 v 150 w, 200 w, 250 w part numbering e.g. v24b12t200bl2 absolute maximum ratings v24b b output voltage 3v3 =3.3 v 5 =5 v 8 =8 v 12 = 12 v 15 = 15 v 24 = 24 v 28 = 28 v 36 = 36 v 48 = 48 v 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 applications industrial and process control, distributed power, medical, ate, communications, defense, aerospace. for details on proper operation please refer to: design guide & applications manual for maxi, mini, micro family. actual size: 2.28 x 2.2 x 0.5 in 57,9 x 55,9 x 12,7 mm s nrtl cus c us ?
24 v mini family rev 4.3 vicorpower.com page 2 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes operating input voltage 18 24 36 vdc input surge withstand 50 vdc <100 ms undervoltage turn-on 17.5 17.9 vdc undervoltage turn-off 14.8 15.3 vdc overvoltage turn-off/on 36.3 37.8 39.6 vdc disabled input current 4.0 ma pc pin low parameter min typ max unit notes output voltage setpoint 1% vout 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 ?out, +sense to ?out ? absolute maximum ratings 3.3 v -0.5 to 4.7 vdc externally applied 5 v -0.5 to 7.0 vdc externally applied 6.5 v -0.5 to 9.1 vdc externally applied 8 v -0.5 to 10.9 vdc externally applied 12 v -0.5 to 16.1 vdc externally applied 15 v -0.5 to 20.0 vdc externally applied 24 v -0.5 to 31.7 vdc externally applied 28 v -0.5 to 36.9 vdc externally applied 36 v -0.5 to 47.1 vdc externally applied 48 v -0.5 to 62.9 vdc externally applied module input specifications module output specifications electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperat ure, unless otherwise specified. 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, conta ct vicor applications engineering at 800-927-9474. parameter min typ max unit baseplate to sink; flat, 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
24 v mini family rev 4.3 vicorpower.com page 3 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes primary side (pc = primary control; pr = parallel) pc bias voltage 5.50 5.75 6.00 vdc pc current = 1.0 ma current limit 1.5 2.1 3.0 ma pc voltage = 5.5 v during normal operation pc module disable 2.3 2.6 2.9 vdc switch must be able to sink 4 ma. 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 , < 30 pf 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: 20 ns pr drive capability 12 modules without pr buffer amplifier secondary side (sc = secondary control) sc bandgap voltage 1.21 1.23 1.25 vdc referenced to ?sense sc resistance 990 1000 1010 sc capacitance 0.033 f sc module alarm 0 vdc with open trim; referenced to ?sense. see fig. 7 parameter min typ max unit notes remote sense (total drop) 0.5 vdc 0.25 v per leg (sense leads must be connected to respective, output terminals) isolation test voltage (in to out)* 3000 vrms complies with reinforced insulation requirements isolation test voltage (in to base)* 1500 vrms complies with basic insulation requirements isolation test voltage (out to base)* 500 vrms 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 module control specifications module general specifications * isolation test voltage, 1 minute or less. note: specifications are subject to change without notice. module family electrical characteristics (cont.)
24 v mini family rev 4.3 vicorpower.com page 4 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes efficiency 80.4 81.4 % nominal input; full load; 25c ripple and noise 71 89 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 4.14 4.3 4.46 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 3.3 vout, 100 w (e.g. v24b3v3c100bl) parameter min typ max unit notes efficiency 77.0 81.2 % nominal input; full load; 25c ripple and noise 160 200 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 4.14 4.3 4.46 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 3.3 vout, 150 w (e.g. v24b3v3c150bl) parameter min typ max unit notes efficiency 83.5 84.8 % nominal input; full load; 25c ripple and noise 50 63 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 6.03 6.25 6.47 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 5 vout, 150 w (e.g. v24b5c150bl) parameter min typ max unit notes efficiency 80.5 84.9 % nominal input; full load; 25c ripple and noise 95 119 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 6.07 6.3 6.53 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 5 vout, 200 w (e.g. v24b5c200bl) module specific operating specifications
24 v mini family rev 4.3 vicorpower.com page 5 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes efficiency 85.0 86.0 % nominal input; full load; 25c ripple and noise 360 450 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 13.8 14.4 15 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 12 vout, 200 w (e.g. v24b12c200bl) parameter min typ max unit notes efficiency 85.0 86.4 % nominal input; full load; 25c 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 (>100 ms 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 <250 mv 8 vout, 200 w (e.g. v24b8c200bl) module specific operating specifications (cont.) parameter min typ max unit notes efficiency 83.2 84.6 % nominal input; full load; 25c ripple and noise 182 230 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 7.7 8.0 8.3 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 6.5 vout, 200 w (e.g. v24b6v5c200bl) parameter min typ max unit notes efficiency 85.5 86.9 % nominal input; full load; 25c ripple and noise 172 215 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 13.8 14.3 14.8 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 12 vout, 250 w (e.g. v24b12c250bl)
24 v mini family rev 4.3 vicorpower.com page 6 of 15 07/2014 800 927.9474 24 v input module specific operating specifications (cont.) parameter min typ max unit notes efficiency 86.0 87.0 % nominal input; full load; 25c ripple and noise 300 360 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 27.1 28.1 29.1 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 24 vout, 250 w (e.g. v24b24c250bl) parameter min typ max unit notes efficiency 86.4 87.6 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 17.1 17.8 18.5 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 15 vout, 150 w (e.g. v24b15c150bl) parameter min typ max unit notes efficiency 85.6 86.6 % nominal input; full load; 25c ripple and noise 250 313 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 17.1 17.8 18.5 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 15 vout, 200 w (e.g. v24b15c200bl) parameter min typ max unit notes efficiency 86.3 87.8 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 13.7 14.3 14.9 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 12 vout, 150 w (e.g. v24b12c150bl)
24 v mini family rev 4.3 vicorpower.com page 7 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes efficiency 86.5 87.7 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 27.1 28.1 29.1 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 24 vout, 150 w (e.g. v24b24c150bl) parameter min typ max unit notes efficiency 87.2 88.7 % nominal input; full load; 25c ripple and noise 133 166 mv p-p nominal input; full load; 20 mhz bandwidth output ovp setpoint 31.5 32.7 33.8 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 28 vout, 250 w (e.g. V24B28C250BL) parameter min typ max unit notes efficiency 85.0 87.0 % nominal input; full load; 25c ripple and noise 180 225 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 31.6 32.8 34 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 28 vout, 200 w (e.g. v24b28c200bl) module specific operating specifications (cont.) parameter min typ max unit notes efficiency 85.4 87.0 % nominal input; full load; 25c ripple and noise 260 325 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 27.5 28.5 29.5 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 24 vout, 200 w (e.g. v24b24c200bl)
24 v mini family rev 4.3 vicorpower.com page 8 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes efficiency 87.6 89.1 % nominal input; full load; 25c ripple and noise 182.0 228.0 mv p-p nominal input; full load; 20 mhz bandwidth output ovp setpoint 53.8 55.7 57.6 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 48 vout, 250 w (e.g. v24b48c250bl) module specific operating specifications (cont.) parameter min typ max unit notes efficiency 86.7 88.0 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 40.4 41.9 43.4 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 36 vout, 150 w (e.g. v24b36c150bl) parameter min typ max unit notes efficiency 87.0 88.0 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 40.4 41.9 43.4 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 36 vout, 200 w (e.g. v24b36c200bl) parameter min typ max unit notes efficiency 86.5 87.8 % nominal input; full load; 25c ripple and noise 200 250 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 31.5 32.7 33.9 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 28 vout, 150 w (e.g. v24b28c150bl)
24 v mini family rev 4.3 vicorpower.com page 9 of 15 07/2014 800 927.9474 24 v input parameter min typ max unit notes efficiency 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 (>100 ms 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 <250 mv 48 vout, 150 w (e.g. v24b48c150bl) parameter min typ max unit notes efficiency 86.0 87.5 % nominal input; full load; 25c ripple and noise 225 282 mv p-p; nominal input; full load; 20 mhz bandwidth output ovp setpoint 53.8 55.8 57.8 volts 25c; recycle input voltage or pc to restart (>100 ms 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 <250 mv 48 vout, 200 w (e.g. v24b48c200bl) module specific operating specifications
24 v mini family rev 4.3 vicorpower.com page 10 of 15 07/2014 800 927.9474 24 v input +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 basic module operation requires fusing, grounding, bypassing capacitors. * see maxi, mini, micro design guide. basic module operation comprehensive online application information the design guide and applications manual includes: ? application circuits ? design requirements ? emc considerations ? current sharing in power arrays ? thermal performance information ? recommended soldering methods ? accessory modules C filtering, rectification, front-ends ? mounting options ...and more. also at vicorpower.com ? powerbench online configurators ? over 20 application notes ? online calculators C thermal, trimming, hold-up ? pdf data sheets for all vicor products click here to view design guide
24 v mini family rev 4.3 vicorpower.com page 11 of 15 07/2014 800 927.9474 24 v input disable disable = pc <2.3v +out +s sc ?s ?out +in pc pr ?in figure 2 module enable/disable. figure 4 led on-state indicator. "module enabled" +out +s sc ?s ?out +in pc pr ?in optocoupler +out +s sc ?s ?out +in pc pr ?in 4 k alarm 1.00v +out +s sc ?s ?out +in pc pr ?in +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 6 isolated on-state indicator. ms typ. ault sc pc 1. . s typ. figure 5 pc/sc module alarm timing. figure 7 secondary side on-state indicator. module enable/disable the module may be disabled by pulling pc to 0 v (2.3 v 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 5.7 v @ 1.5 ma. in the example shown in figure 4, pc powers a mod- ule enabled led. module alarm the module contains watchdog circuitry which monitors input voltage, operating temperature and internal operating parameters. 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 nor- mal state after the fault has been cleared. see figures 3 and 5. primary control - pc pin
24 v mini family rev 4.3 vicorpower.com page 12 of 15 07/2014 800 927.9474 24 v input 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 . 001 f (500 v) 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 ?in +in pc pr ?in module 2 module 1 + parallel bus ? 0.2 f 0.001 f 0.2 f 0.001 f low inductance ground plane or bus 4.7 nf 4.7 nf 4.7 nf 4.7 nf z1 * z1 * +in pc pr ?in +in pc pr ?in module 2 module 1 t1 t2 + ? 0.2 f 0.2 f parallel 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 fixed 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 C + -s +out load rd trim down ru trim up 1.23 v 1 k 100 typ. 1,000 vout vnom ? vout r d (ohms) = 1,000 (vout ?1.23) vnom 1.23 (vout ? 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.
24 v mini family rev 4.3 vicorpower.com page 13 of 15 07/2014 800 927.9474 24 v input 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 c onnections. ? the +out and ?out 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 ?sense pins should be tied together to form a ?sense bus. this must be kelvin connected to ? out at a single point. ? at the discretion of the power system designer, a subset of all modules within an array may be configured as slaves by connecting sc to ?s. ? or?ing 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 * pin style designator follows the ?b? after the output power and precedes the baseplate designator. ex. v24b12t250b n 2 ? long modumate pins parallel bus output pin styles*
24 v mini family rev 4.3 vicorpower.com page 14 of 15 07/2014 800 927.9474 24 v input converter pins no. function label 1+in + 2 primary pc control 3 parallel pr 4?in ? 5?out ? 6 ?sense ?s 7 secondary sc control 8 +sense +s 9+out + mechanical drawings dimension l pin short ?.54 [13.7] pin long .62 [15.7] pin extra long? .71 [18.0] notes: 1. material: base: 6000 series aluminum cover: lcp, aluminum 3003 h14 pins: rohs pins gold plate 30 micro inch min; non-rohs pins: tin/lead 90/10 bright 2. dimensions and values in brackets are metric 3. manufacturing control is in place to ensure that the spacing between the modules label surface to the printed circuit board of the application ranges from direct contact (zero), to the maximum gap as calculated from the tolerance stack-up and is not subject negative tolerance accumulation 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 * denotes tol = 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 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 plated through hole dia (7x) (2x) ** pcb window 0.45 unless otherwise specified, dimensions are in inches mm decimals tol. angles 0.xx 0.01 0.25 1 0.xxx 0.005 0.127 all markings this surface pins styles solder:tin / lead plated modumate: gold plated copper rohs: gold plated copper aluminum baseplate for soldering methods and procedures please refer to the maxi, mini, micro design guide . figure 13 pcb mounting specifications
24 v mini family rev 4.3 vicorpower.com page 15 of 15 07/2014 800 927.9474 24 v input vicor?s comprehensive line of power solutions includes high density ac-dc and dc-dc modules and accessory components, fully configurable 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, specifications, and product descriptions at any time without notice. information published by vicor h as 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 vicor?s product warranty. except where mandated by government requirements , testing of all parameters of each product is not necessarily performed. specifications are subject to change without notice. vicor?s standard terms and conditions all sales are subject to vicor?s standard terms and conditions of sale, which are available on vicor?s webpage or upon request. product warranty in vicor?s standard terms and conditions of sale, vicor warrants that its products are free from non-conformity to its standard specifications (the ?express limited warranty?). this warranty is extended only to the original buyer for the period expiring two (2) years after t he date of shipment and is not transferable. unless otherwise expressly stated in a written sales agreement signed by a duly authorized vicor signatory, vicor disclaims 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. vico r shall not be liable for collateral or consequential damage. vicor disclaims any and all liability arising out of the application or use of any pro duct or circuit and assumes no liability for applications assistance or buyer product design. buyers are responsible for their products and applications us ing 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 author ization will be returned to the buyer. the buyer will pay all charges incurred in returning the product to the factory. vicor will pay all re shipment charges if the product was defective within the terms of this warranty. life support policy vicor?s 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 wh ose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a s ignificant injury to the user. a critical component is any component in a life support device or system whose failure to perform can be reasonably expec ted 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 indemnifies vicor against all liability and damag es. intellectual property notice vicor and its subsidiaries own intellectual property (including issued u.s. and foreign patents and pending patent applications ) relating to the prod- ucts described in this data sheet. no license, whether express, implied, or arising by estoppel or otherwise, to any intellect ual property rights is granted by this document. interested parties should contact vicor's 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

▲Up To Search▲

Price & Availability of V24B28C250BL

	To Download V24B28C250BL Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .