all specifications typical at nominal line, full load and 25?c unless otherwise noted. 0.600 2.000 (7.62) (15.24) (50.80) (15.24) (58.4) (36.8) 1.45 bottom view 1 4 2 3 5 6 7 8 (10.6) (1.57) (1.02) (3.68) side view 0.300 0.600 0.062 0.040 0.42 0.145 2.30 size eb all specifications typical at nominal line, full load and 25?c unless otherwise noted. specifications input specifications: input voltage range....................48v.........................36 C 75v under voltage lockout ............... power up .........................35v typ. power down ............... 33v typ. positive logic remote on/off control (see note4 & 5) input filter .........................................................pi type output specifications: voltage accuracy..............................1.0% max. transient response :25% step load change..............................<500u sec. ripple and noise, 20mhz bw ................ .......100mv p-p max. 5v / 12vout......... .............120mv p-p max. temperature coefficient..................................0.03%/c max. short circuit protection..................................... continuous / hiccup line regulation 1 .........................................0.2% max. load regulation 2 .......................................0.5% max. over voltage protection trip range, %vo nom..............115%-140% external trim adj. range 6 ................................10% current limit................... 110% - 150% nominal output general specifications: efficiency................................................................. see table isolation voltage....................................................1500 vdc min. isolation resistance ................................ 10 7 ohms min. switching frequency ...........................................................200khz typ. 3.3v/2.5vout................................250khz typ. 5v/12vout............................... 300khz typ. over temperature protection ................................................ 120?c typ. operating ambient temperature range................. -40?c to +85?c power derating curve........................................refer to application note. storage temperature range ............................... -40?c to +125?c dimensions.................................. 2.30 x 1.45 x 0.42 inches (58.4 x 36.8 x 10.6 mm) weight.........................................................................................................40g note: 1. measured from high line to low line 2. measured from full load to zero load 3. the output ripple and noise is measured with 10uf tantalum and 1uf ceramic capacitor across output. 4. logic compatibility ... open collector ref to -input module on . open circuit module off .. < 1.2vdc 5. suffix "n" to the model number with negative logic remote on/off module on . < 1.2vdc module off .. open circuit 6. trim-up.................connect a resistor between the trim pin and+sense trim-down.............connect a resistor between the trim pin and-sense typical derating curve for cqb125-48s3v3 ambient temperature(?c) output current (a) 5 10 15 20 25 30 35 25 30 35 40 45 50 55 60 65 70 75 80 20lfm 100lfm 200lfm 300lfm c q b 1 2 5 all dimensions in inches(mm) tolerance inches: x.xx= 0.02, x.xxx= 0.010 millimeters: x.x= 0.5, x.xx= 0.25 pin connection pin function 1 2 3 4 5 6 7 8 +v input on/off -v input -v output -sense trim +sense +vout c q b 1 2 5 40-125 watt 1/4 brick dc-dc converters s e r i e s model number cqb125-48s1v0 cqb125-48s1v2 cqb125-48s1v5 cqb125-48s1v8 cqb125-48s2v5 cqb125-48s3v3 CQB125-48S05 cqb125-48s12 36-75 vdc 36-75 vdc 36-75 vdc 36-75 vdc 36-75 vdc 36-75 vdc 36-75 vdc 36-75 vdc 1.0 vdc 1.2 vdc 1.5 vdc 1.8 vdc 2.5 vdc 3.3 vdc 5.0 vdc 12 vdc 0 ma 0 ma 0 ma 0 ma 0 ma 0 ma 0 ma 0 ma 40a 40a 40a 40a 40a 35a 25a 10a 60 ma 60 ma 60 ma 60 ma 80 ma 80 ma 100 ma 100 ma 1016ma 1190ma 1453ma 1724ma 2341ma 2673ma 2861ma 2717ma 82 84 86 87 89 90 91 92 quarter-brick quarter-brick quarter-brick quarter-brick quarter-brick quarter-brick quarter-brick quarter-brick % eff. size input voltage output current input current no load full load min. max. output voltage note: 1. nominal input voltage 48 vdc .070(1.78) .040(1.02) .150(3.81) .91(23.0) high signal here disable output on/off (2) -vin (4) -sense trim up trim trim down +sense -sense +sense trim 10k ohms trimpot 2.40 (61.00) ?0.08 (2.03) 2pl. 0.50 (12.70) side view 0.18 min. (4.60) 2*r1.50 mounting inserts m3*0.5 through 4pl. 2.00 (50.80) 1.40 (35.56) 0.60 (15.24) 4 3 2 1 5 6 7 8 9 1.90 (48.25) 2.28 (57.90) bottom view ?0.04 (1.02) 7pl. external output trim ? 40-125w isolated output ? quarter brick package ? regulated outputs ? efficiency to 92% ? 1500vdc isolation features ? input under voltage protection ? over current protection ? over temperature protection ? remote on/off control rsg electronic components rsg electronic components gmbh sprendlinger landstr. 115 d-63069 offenbach/germany tel. +49 69 984047-0 fax +49 69 984047-77 info@rsg-electronic.de www.rsg-electronic.de ?nderungen vorbehalten / subject to change without notice
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