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obq-sc/obq-wc series sc/wc05 input specifications specifications obq**sc/wc05 3watts/single/2 output input characteristic input voltage dc[v] 512512 input range dc[v] inrush current [a] input range at no load [ma](typical) 66 64 64 64 at full load[ma](typical) 843 356 800 342 line back noise [mvp-p](typical) 200 100 200 100 efficiency [%] (typical) *1 74 73 75 73 76 100 789 74 200 676 800 200 78 77 200 779 41 57 51 51 model obq05sc05 obq12sc05 obq15sc05 obq24sc05 obq22wc05 obq23wc05 4.5-6 not specified 5555 general description in response to market demand for ?distributed power,? eta has developed a new dc/dc converter suitable for pcb mounting. ob-series ac/dc switching power supplies are designed and built to be installed right onto the user?s printed circuit board like a piece of ?patch-work?. they are small, light in weight and cost effective. features 1.pcb mountable 2. small , light weight 3. high efficiency 4. cost effective 5. output voltage adjustable 6. over voltage protection 3 watt dc-dc converter
sc/wc05 output specifications specifications obq**sc/wc05 3watts/single/2 output output voltage [v] +12 -12 +15 -15 output current [a] voltage tolerance +/-[mv](max) *2 240 240 300 300 ripple and noise [mvp-p](max) *3 regulation a.static line regulation [mv](max) 60 60 75 75 b.dynamic line regulation +/-[mv](max) *4 200 200 200 200 c.static load regulation [mv](max) *5 1000 1000 1000 1000 [mv](max) *6 480 480 600 600 [mv](max) *7 60 60 75 75 d.temperature coefficient *8 e.drift[mv](maximum) *9 75 75 90 90 f.dynamic load regulation +/- [mv](typ) *10 360 360 450 450 g.recovery time *4, *10 rise up time hold up time functions overcurrent protection *10 overvoltage protection remote sence trimming of output voltage[mv] *11 [mv] *12 input fuse operating temperature (derating) operating humidity storage temperature storage humidity withstandin g volta g e isolation resistance capacitance ( input-output ) [pf] ( t y pical ) vibration shock cooling weight ( typical ) model obq05sc05 obq12sc05 obq15sc05 obq24sc05 obq22wc05 obq23wc05 5121524 0.013-0.13 0.010-0.10 100 240 300 480 0.5 0.25 0.20 0.13 100 25 60 75 120 250 200 200 200 25 60 75 120 0.03%/ o c(maximum) 40 75 90 135 150 360 450 720 20ms(typical) 10ms(typical) at rated input/output not specified foldback/current limiting with automatic recovery at discontinuous short circuit conditions not available not available +250 +250 +350 +650 installed environmental -20 to +71 -250 -900 -1600 -4000 3.5%/ (50oc to 71 ) (out of warranty >=71 ) 20-90%/rh(non-condensing) -20 to +85 20 to 90%/rh(non-condensing) 294m/s 2 convection open board type:6g primary-secondary ac500v for 1minute primary-frame ground 50m ? (minimum) by dc500v insulation tester 2200 5-10hz:10mm double am p litude , 10-55hz:19.6m/s 2 , 20minutes' p eriod for 60minutes each alon g x , y , z axes ( non-o p eratin g) conditions: *1 at 25 and rated input/output *2 obq**wc0512 satisfies the above-mentioned specifications at the same load conditions on both outputs *3 measured by a bayonet probe at the output connector at a 0 to 100mhz bandwidth *4 when input voltage changed from 4.5v to 16v rapidly at rated output *5 when output current changed from 0ma to rated current keeping the current of other output below minimum rated current at rated input *6 when output current changed from minimum rated current to rated current keeping the current of other output *10 when output current changed rapidly between 25% and 75% of rated current at rated input *11 to increase output voltage,put a resistor between pin"0" and trimming pin *12 to reduce output voltage,put a resistor between pin"+" and trimming pin above minimum rated current at rated input *7 when output current of both outputs changed from 0ma to rated current identically at rated input *8 at -20 to +71 *9 for 7hour period after 1hour warm-up at 25 and rated input/output
sc/wc0512 input specifications specifications obq**sc/wc0512 3watts/single/2 output input characteristic input voltage dc[v] 5 12 5 12 5 12 5 12 5 12 5 12 input range dc[v] inrush current [a] inrush current [a] at no load [ma](typical) 41 44 51 54 51 53 57 59 66 64 64 64 at full load[ma](typical) 676 297 789 342 779 337 800 346 843 356 800 342 line back noise [mvp-p](typical) 200 100 100 80 200 100 200 100 200 100 200 100 efficiency [%] (typical) *1 74 70 76 73 77 74 78 75 74 73 75 73 4.5-16v not specified model obq05sc0512 obq12sc0512 obq15sc0512 obq24sc0512 obq22wc0512 OBQ23WC0512
sc/wc0512 output specifications specifications obq**sc/wc0512 3watts/single/2 output output voltage [v] +12 -12 +15 -15 output current [a] voltage tolerance +/-[mv](max) *2 240 240 300 300 ripple and noise [mvp-p](max) *3 regulation a.static line regulation [mv](max) 60 60 75 75 b.dynamic line regulation +/-[mv](max) *4 200 200 200 200 c.static load regulation [mv](max) *5 1000 1000 1000 1000 [mv](max) *6 480 480 600 600 [mv](max) *7 60 60 75 75 d.temperature coefficient *8 e.drift[mv](maximum) *9 75 75 90 90 f.dynamic load regulation +/- [mv](typ) *10 360 360 450 450 g.recovery time *4, *10 rise up time hold up time functions overcurrent protection *10 overvoltage protection remote sence trimming of output voltage[mv] *11 [mv] *12 input fuse operating temperature (derating) operating humidity storage temperature storage humidity withstandin g volta g e isolation resistance capacitance ( input-output ) [pf] ( t y pical ) vibration shock cooling weight ( typical ) model obq05sc0512 obq12sc0512 obq15sc0512 obq24sc0512 obq22wc0512 OBQ23WC0512 5121524 0.013-0.13 0.010-0.10 100 240 300 480 0.5 0.25 0.20 0.13 100 25 60 75 120 250 200 200 200 25 60 75 120 0.03%/ o c(maximum) 40 75 90 135 150 360 450 720 20ms(typical) 10ms(typical) at rated input/output not specified foldback/current limiting with automatic recovery at discontinuous short circuit conditions not available not available +250 +250 +350 +650 installed environmental -20 to +71 -250 -900 -1600 -4000 3.5%/ (50oc to 71 ) (out of warranty >=71 ) 20-90%/rh(non-condensing) -20 to +85 20 to 90%/rh(non-condensing) 294m/s 2 convection open board type:6g primary-secondary ac500v for 1minute primary-frame ground 50m ? (minimum) by dc500v insulation tester 2200 5-10hz:10mm double am p litude , 10-55hz:19.6m/s 2 , 20minutes' p eriod for 60minutes each alon g x , y , z axes ( non-o p eratin g) conditions: *1 at 25 and rated input/output *2 obq**wc0512 satisfies the above-mentioned specifications at the same load conditions on both outputs *3 measured by a bayonet probe at the output connector at a 0 to 100mhz bandwidth *4 when input voltage changed from 4.5v to 16v rapidly at rated output *5 when output current changed from 0ma to rated current keeping the current of other output below minimum rated current at rated input *6 when output current changed from minimum rated current to rated current keeping the current of other output *10 when output current changed rapidly between 25% and 75% of rated current at rated input *11 to increase output voltage,put a resistor between pin"0" and trimming pin *12 to reduce output voltage,put a resistor between pin"+" and trimming pin above minimum rated current at rated input *7 when output current of both outputs changed from 0ma to rated current identically at rated input *8 at -20 to +71 *9 for 7hour period after 1hour warm-up at 25 and rated input/output
sc12 input specifications specifications obq**sc12 3watts/single output input characteristic input voltage dc[v] input range dc[v] inrush current [a] at no load [ma](typical) at full load[ma](typical) line back noise [mvp-p](typical) efficiency [%] (typical) *1 78 77 77 74 200 200 100 200 800 779 789 676 57 51 51 41 9-18v not specified 12 12 12 12 model obq05sc12 obq12sc12 obq15sc12 obq24sc12
sc12 output specifications specifications obq**sc12 3watts/single/2 output output voltage [v] output current [a] voltage tolerance +/-[mv](max) *2 ripple and noise [mvp-p](max) *3 regulation a.static line regulation [mv](max) b.dynamic line regulation +/-[mv](max) *4 c.static load regulation [mv](max) *5 [mv](max) *6 [mv](max) *7 d.temperature coefficient *8 e.drift[mv](maximum) *9 f.dynamic load regulation +/- [mv](typ) *10 g.recovery time *4, *10 rise up time hold up time functions overcurrent protection *10 overvoltage protection remote sence trimming of output voltage[mv] *11 [mv] *12 input fuse operating temperature (derating) operating humidity storage temperature storage humidity withstandin g volta g e isolation resistance capacitance ( input-output ) [pf] ( t y pical ) vibration shock cooling weight ( typical ) *10 when output current changed rapidly between 25% and 75% of rated current at rated input *11 to increase output voltage,put a resistor between pin"0" and trimming pin *12 to reduce output voltage,put a resistor between pin"+" and trimming pin above minimum rated current at rated input *7 when output current of both outputs changed from 0ma to rated current identically at rated input *8 at -20 to +71 *9 for 7hour period after 1hour warm-up at 25 and rated input/output *4 when input voltage changed from 4.5v to 16v rapidly at rated output *5 when output current changed from 0ma to rated current keeping the current of other output below minimum rated current at rated input *6 when output current changed from minimum rated current to rated current keeping the current of other output conditions: *1 at 25 and rated input/output *2 obq**wc0512 satisfies the above-mentioned specifications at the same load conditions on both outputs *3 measured by a bayonet probe at the output connector at a 0 to 100mhz bandwidth 294m/s 2 convection open board type:6g primary-secondary ac500v for 1minute primary-frame ground 50m ? (minimum) by dc500v insulation tester 2200 5-10hz:10mm double am p litude,10-55hz:19.6m/s 2 ,20minutes' p eriod for 60minutes each alon g x,y,z axes ( non-o p era t 3.5%/ (50oc to 71 ) (out of warranty >=71 ) 20-90%/rh(non-condensing) -20 to +85 20 to 90%/rh(non-condensing) installed environmental -20 to +71 -250 -900 -1600 -4000 f oldback/current limiting with automatic recovery at discontinuous short circuit condit i not available not available +250 +250 +350 +650 20ms(typical) 10ms(typical) at rated input/output not specified 150 360 450 720 0.03%/ o c(maximum) 40 75 90 135 25 60 75 120 250 200 200 200 100 25 60 75 120 100 240 300 480 0.5 0.25 0.20 0.13 512 15 24 model obq05sc12 obq12sc12 obq15sc12 obq24sc12
sc/wc1224 input specifications specifications obq**sc/wc1224 3watts/single/2 output input characteristic input voltage dc[v] 12 24 12 24 12 24 12 24 12 24 12 24 input range dc[v] inrush current [a] inrush current [a] at no load [ma](typical) 22 24 28 29 28 29 30 30 35 31 32 29 at full load[ma](typical) 267 144 312 168 304 164 317 171 329 173 308 164 line back noise [mvp-p](typical) 300 150 300 150 300 150 300 150 1000 500 1000 500 efficiency [%] (typical) *1 78 72 80 74 82 76 82 76 79 75 81 76 8-32 not specified 9a/dc12v,18a/dc24v 10us model obq05sc1224 obq12sc1224 obq15sc1224 obq24sc1224 obq22wc1224 obq23wc1224
sc/wc1224 output specifications specifications obq**sc/wc1224 3watts/single/2 output output voltage [v] +12 -12 +15 -15 output current [a] voltage tolerance +/-[mv](maximum) *2 240 240 300 300 ripple and noise [mvp-p](maximum) *3 regulation a.static line regulation [mv](maximum) 60 60 75 75 b.dynamic line regulation +/-[mv](maximum) *4 300 300 300 300 c.static load regulation [mv](maximum) *5 1000 1000 1200 1200 [mv](maximum) *6 480 480 600 600 [mv](maximum) *7 60 60 75 75 d.temperature coefficient *8 e.drift[mv](maximum) *9 75 75 90 90 f.dynamic load regulation [mv](maximum) *10 300 300 300 300 g.recovery time *4, *10 rise up time hold up time functions overcurrent protection overvoltage protection remote sence trimming of output voltage[mv] (typical) *11 [mv](typical) *12 input fuse operating temperature (derating) *13 operating humidity storage temperature storage humidity withstanding voltage isolation resistance capacitance(input-output) [pf](typical) vibration shock cooling weight (typical) 294m/s 2 convection open board type:6g primary-secondary ac500v for 1minute primary-secondary 50m ? (minimum) by dc500v insulation tester 2200 5-10hz:10mm double amplitude,10-55hz:19.6m/s 2 ,20minutes' period for 60minutes each along x,y,z axes(non-operating) 3.5%/(50 to 71 ) (out of warranty R 71 ) 20-90%/rh(non-condensing) -20 to +85 20 to 90%/rh(non-condensing) installed environmental -20 to 71 -250 -900 -1600 -4000 foldback/current limiting with automatic recovery at discontinuos short circuit conditions not available not available +250 +250 +350 +650 20ms(typical) 10ms(typical) at rated input/output not specified 150 360 250 500 0.03%/ (maximum) 40 75 90 135 25 60 75 120 200 200 200 200 100 25 60 75 120 0.013-0.13 0.010-0.10 100 240 300 480 0.5 0.25 0.20 0.13 5121524 model obq05sc1224 obq12sc1224 obq15sc1224 obq24sc1224 obq22wc1224 obq23wc1224 conditions: *1 at 25 and rated input/output *2 obq**wc0512 satisties the above-mentioned specifications at the same load conditions on both outputs *3 measured by a bayonet probe at the output connector at a 0 to 100mhz bandwidth *4 when input voltage changed from 8v to 32v rapidly at rated output *5 when output current changed from 0ma to rated current keeping the current of other output below minimum rated current at rated input *6 when output current changed from minimum rated current to rated current keeping the current of other output above minimum rated current at rated input *7 when output current of both outputs changed from 0ma to rated current identically at rated input *8 at -20 to +71 *9 for 7hour period after 1hour warm-up at 25 and rated input/output *10 when output current changed rapidly between 25% and 75% of rated current at rated input *11 to increase output voltage,put a resistor between pin"0" and trimming pin *12 to reduce output voltage,put a resistor between pin"+" and trimming pin *13 operating temperature of obq**wc1224 should be Q 71-2*(ein-24) at input voltage from 24v to 32v (ein=input voltage)
sc/wc2448 input specifications specifications obq**sc/wc2448 3watts/single/2 output input characteristic input voltage dc[v] 24 48 24 48 24 48 24 48 24 48 24 48 input range dc[v] inrush current [a] inrush current [a] at no load [ma](typical) 10 11 15 15 15 15 15 15 14 14 14 14 at full load[ma](typical) 136 72 154 82 152 81 158 84.4 160 86 152 75 line back noise [mvp-p](typical) 100 80 100 80 100 80 100 80 200 100 200 100 efficiency [%] (typical) *1 76 72 81 76 82 77 82 77 81 76 82 76 18-72v not specified model obq05sc2448 obq12sc2448 obq15sc2448 obq24sc2448 obq22wc2448 obq23wc2448
sc/wc2448 output specifications specifications obq**sc/wc2448 3watts/single/2 output output voltage [v] +12 -12 +15 -15 output current [a] voltage tolerance +/-[mv](maximum) *2 240 240 300 300 ripple and noise [mvp-p](maximum) *3 regulation a.static line regulation [mv](maximum) 60 60 75 75 b.dynamic line regulation +/-[mv](maximum) *4 300 300 300 300 c.static load regulation [mv](maximum) *5 1000 1000 1200 1200 [mv](maximum) *6 480 480 600 600 [mv](maximum) *7 60 60 75 75 d.temperature coeff icient *8 e.drift[mv](maximum) *9 75 75 90 90 f .dy namic load regulation [mv](maximum) *10 300 300 400 400 g.recovery time *4, *10 rise up time hold up time functions overcurrent protection overvoltage protection remote sence trimming of output voltage[mv] *11 [mv] *12 input fuse operating temperature (derating) *13 operating humidity storage temperature storage humidity withstanding voltage isolation resistance capacitance(input-output) [pf](typical) vibration shock cooling weight (typical) 294m/s 2 convection open board type:6g primary-secondary ac500v for 1minute primary-secondary 50m ? (minimum) by dc500v insulation tester 2200 5- 10hz:10mm double amplitude,10- 55hz:19.6m/s 2 ,20minutes' per iod for 60minutes each along x,y,z axes( non- oper ating ) 3.5%/ (50 to 71 ) (out of w arranty R 71 ) 20-90%/rh(non-condensing) -20 to +85 20 to 90%/rh(non-condensing) ins talled en v i r o n m e n t a l -20 to +71 -250 -900 -1600 -4000 foldback/current limiting w ith automatic recovery at discontinuous short circuit conditions not available n o t ava il a bl e +250 +250 +350 +650 20ms(typical) 10ms(typical) at rated input/output not specified 250 250 250 500 0.03%/ (maximum) 40 75 90 135 25 60 75 120 250 200 200 200 100 25 60 75 120 0.013-0.13 0.010-0.10 100 240 300 480 0.5 0.25 0.20 0.13 512 15 24 model obq05sc2448 obq12sc2448 obq15sc2448 obq24sc2448 obq22wc2448 obq23wc2448 *1 at 25 and rated input/output *2 obq**wc2448 satisfies the above-mentioned specif ications at the same load conditions on both outputs *3 measured by a probe at the output connector at a 0 to 100mhz bandw idth *4 w hen input voltage changed from 18v to 72v rapidly at rated output *5 w hen output current changed from 0ma to rated current keeping the current of other output below minimum rated current at rated input *6 w hen output current changed from minimum rated current to rated current keeping the current of other outputl above minimum rated current at rated input *11 to increase output voltage,put a resistor betw een pin"0" and trimming pin *12 to reduce output voltage,put a resistor betw een pin"+" and trimming pin *13 out of w arranty R 50 at input voltage f rom 63v to 72v *7 output current of both outputs changed from 0ma to rated current identically at rated input *8 at -20 to +71 *9 for 7hour period after 1 hour w arm-up at 25 and rated input/output *10 w hen output current changed rapidly bew een 25% and 75% of rated current at rated input
dimension diagram
efficiency curve
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derating curve

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