0.400 (10.16) 0.300 (7.62) 0.300 (7.62) 0.400 (10.16) 0.30 (7.6) 2.00 (50.8) 2.40 (61.0) 0.20 (5.1) 0.224 max (5.69 max) mounting inserts m3x0.5 thru 4pl 2.28 (57.9) 1.90 (48.3) 0.19 (4.8) -in case on/ off + in -out -s t + s + out 0.040 (1.02) pin fused tin over copper 7pl 0.080 (2.03) pin fused tin over copper 2pl aluminum heatsink surface 0.47 (11.9) 0.40 (10.2) see optional pin lengths 0.2 min (5.1 min) 0.515 0.020 (13.08 0.5) model selection model output output voltage current 28 vdc (18-36v) sv28-2.5-150-1 2.5v 30a sv28-3.3-50-1 3.3v 10a sv28-3.3-75-1 3.3v 15a sv28-3.3-100-1 3.3v 20a sv28-3.3-150-1 3.3v 30a sv28-3.3-200-1 3.3v 40a sv28-5-50-1 5v 10a sv28-5-75-1 5v 15a sv28-5-100-1 5v 20a sv28-5-150-1 5v 30a sv28-5-175-1 5v 35a sv28-12-50-1 12v 4.2a sv28-12-75-1 12v 6.3a sv28-12-100-1 12v 8.3a sv28-12-150-1 12v 12.5a sv28-24-50-1 24v 2.1a sv28-24-75-1 24v 3.2a sv28-24-100-1 24v 4.2a sv28-24-150-1 24v 6.3a sv28-28-150-1 28v 5.35a description the superverter 28 series are high power density and high dynamic response dc-dc con- verters designed for use in telecom, wireless, and other centralized modular or distributed power systems using 24v input. the superverter 28 family of dc-dc converters may be used as form, t, function replacements for the industry standard half bricks. features direct replacement for industry standard high efficiency high mtbf (1.8 million hours) constant frequency clamp over voltage protection remote sense trim range: 60% to 110% encapsulated high power density low noise -40 to +100 c baseplate operation choice of on/off logic safety agency approved threaded or thru mounting holes optional pin lengths over temperature protection optional features for the optional features listed below, simply list the appropriate digit(s) for the features you want in ascending order in the suffix following -50 to -200 in the part number . feature options suffix negative logic on/off is standard include ??in the suffix positive logic on/off is optional delete ??from the suffix threaded mounting holes, as shown in the outline drawing are standard no suffix digit required optional thru mounting holes (without threads) of 0.130?inside diameter* include ??in the suffix pin length of 0.20?(5.1mm) is standard no suffix digit required pin length of 0.145?(3.68mm)* include ??in the suffix pin length of 0.110?(2.79mm)* include ??in the suffix * minimum order quantities apply. examples: sv28-5-100-1 standard module negative logic, threaded inserts, 0.20 inch pins. sv28-5-100-48 positive logic, through hole inserts, 0.110 inch pins. sv28-5-100-146 negative logic, through hole inserts, 0.145 inch pins. 32 sv28 superverter 50/75/100/150/175 series 36-175 watts 28vdc input 1/2 brick industry standard
sv28 superverter (50/75/100/150/175) series specifications min typical max units conditions absolute maximum ratings: exceeding absolute maximum ratings may cause permanent damage or reduce reliability. parameter input voltage 40 vdc continuous transient input voltage 50 vdc 100 msec max. input/output isolation 1500 vdc operating case temperature -40 100 c storage temperature -40 110 c electrical speci?ations: apply over the entire range of input voltage, output current, and temperature unless indicated. input input voltage 18 28 36 vdc maximum input current see web site: www.roassoc.com input ripple rejection 60 db @120 hz output voltage set point 2 % 48v in, full load 25 c load regulation 0.05 0.2 % 0 to full load line regulation 0.01 0.1 % over vin range voltage drift w/temperature ripple see web site: www.roassoc.com current see model selection current limit inception 115 130 % iout max. vout = 90% vout nominal, see output characteristic curves short circuit current 170 % iout max vout = 250 mv, see output characteristic curves transient response peak deviation 3 % vout 50 to 75% or 50 to 25% (0.1a/sec slew rate) load change transient response settling time 300 sec vout within 1% vout nominal (0.1a/sec slew rate) efficiency see curves on page 78 or web site: www.roassoc.com external load capacitance 0 10,000 f isolation input to output capacitance 2000 pf input to output resistance 10 m ohms input to output 1500 vdc input to case 1500 vdc output to case 500 vdc mechanical weight 118 (4.2) g (oz.) size 0.5x2.4x2.28 inches see outline drawing thermal resistance case to ambient 6.6 c/w case temperature = 100 c features trim range 60 110 %vout remote sense compensation 0.5 v over voltage clamp see web site: www.roassoc.com over temperature shut-down 105 c case temperature (not in 50w and 75w models) logic on/off logic low: von/off 0 1.2 v @ ion/off = 1 ma ion/off 1.0 ma @ von/off = 0v logic high: von/off 15 v @ ion/off = 1 ma ion/off 50 a @ von/off = 15v turn-on time 8 35 msec 80% load, vout within 1% vout nominal ro associates | tel: 408.744.1450 | fax: 408.744.1521 | email: sales@roassoc.com 33
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