bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 1 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. features ? isolated ? output over - voltage shutdown ? high efficiency ? ocp/scp ? high power density ? over temperature protectio n ? fixed frequency ( 2 58 khz) ? low cost ? input under - voltage lockout ? output voltage trim ? input over - v oltage l ockout ? positive/negative remote sense ? basic insulation ? ultra wide input r ange: 18 vdc - 75 vdc ? remote on/off ? ul60950 - 1 recognized (ul/cul) ( pending ) applications ? networking ? computers and peripherals ? telecommunications description the 0rcy - 60u 12 x is part of the isolated dc/dc converter s that operate from a wide input range (18 vdc - 75 vdc) and can cove r both 24 vin and 48 vin input range. th ese unit s will provide up to 84 w of output power. the y are designed to be highly efficient and low cost. features include remote on/off, over current protection, over voltage shut down, over temperature protection a nd under - voltage lockout. th ese converter s are provided in an industry standard 1/8 brick package. part selection output voltage input voltage max. output current max. output power typical efficiency model number active high with heatsink model number ac tive low with heatsink model number active low without heatsink 12 v dc 18 vdc - 75 vdc 7 a 84 w 9 2 % 0rcy - 60u 120 0rcy - 60u 12 l 0rc y - 60u 12b notes : add ?g? suffix at the end of the model number to indicate tray packaging. part number explanation 0 r cy ? 6 0 u 12 x 1 2 3 4 5 6 7 1 --- through h ole 2 --- rohs 6, change ? r ? to ? 7 ? means rohs 5 3 --- series name 4 -- - series code 5 --- input range ( 18 - 75v) 6 --- output v oltage 12 v 7 --- option , ? x ? of the model part number to be 0 - 9, a - z, which will represent the special request of customer. 0r cy - 60u 12x rohs c ompliant rev. d
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 2 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. absolute maximum ratings parameter min typ max unit notes input voltage (continuou s) - 0.3 - 80 v input transient voltage - - 100 v 100 ms maximum remote on/off - 0.3 - 18 v i/o isolation voltage - - 15 00 v ambient temperature - 40 - 85 ? c storage temperature - 55 - 125 ? c note: ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. input specifications parameter min typ max unit notes input voltage 18 24/ 48 75 v input current (full load) vin=18 v vin= 75 v - - 6.7 1.6 - - a a input current (no lo ad) - 100 180 ma remote off input current - 10 15 ma input reflected ripple current ( rms) - 7 10 ma input reflected ripple current (pk - pk) - 15 30 ma tested with simulated source impedance of 10 uh , 5 hz to 20 mhz ; use a 1 uf/100 v ceramic cap and a 100 uf/100 v electrolytic cap with esr = 1 ohm max. at 200 k hz at 25 ? c . i 2 t inrush current transient - 0.05 0. 1 a 2 s turn - on voltage threshold 16 .0 17.0 17.5 v turn - off voltage threshold 15 .0 16.0 16.5 v input o ver v oltage l ockout 76 78 80 v ca ution: this converter is not internally fused. an input line fuse must be used in application . r ecommend a fast - acting fuse with maximum rating of 8 a on system board. refer to the fuse manufacture ? s datasheet for further information. notes: 1. this conver ter has internal c - l - c ( 2.2 u h - 2*0.47uf+2.2 u f ) filter. 2 . all specificatio ns are typical at 25 ? c unless otherwise stated . output specifications parameter min typ max unit notes output voltage set point 11.76 12.00 12.24 v vin=48 v, io=50% lo ad load regulation - 6 12 mv line regulation - 10 20 mv regulation over temperature ( - 40deg.c ~ + 85deg.c) - 30 5 0 mv ripple and noise ( rms ) - 25 50 mv ripple and noise (pk - pk) - 100 150 mv 0 - 2 0 mhz bw , with a 0.1 f ceramic cap and a 1 0 uf t antalum cap at the output.
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 3 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. output specifications (continued) parameter min typ max unit notes output current range 0 - 7 a output dc current limit 7. 7 - 1 1 a vin=48 v, in hiccup mode. short circuit surge transient - 3 5 a 2 s rise time 5 10 15 ms - 20 2 5 ms ton(enable f r om vin) turn on time - 20 2 5 ms ton(enable f r om on/off) overshoot at turn on - 0 3 % output capacitance 0 - 10 00 uf transient response overshoot - 300 400 mv 75 % ~ 5 0% max load settling time - 400 60 0 us overshoot - 300 400 mv 5 0 % ~ 75 % max load settling time - 400 60 0 us di/dt= 0. 1 a/us, vin=24 vdc, ta=25 c, with a 0.1 f ceramic cap and a 10 uf t antalum cap at output. note : all specif ications are typical at nominal input, full load at 25c unless otherwise stated . general specifications parameter min typ max unit notes efficiency vin=24 v vin=48 v 90 90.5 91.5 9 2 - - % % measured at normal vin, full load . switching frequency 24 0 2 58 280 khz isolation c apacitance - 15 00 - pf remote sense compensation - - 10 % the total voltage increased by trim and remote sense should not exceed 15%vo . output voltage trim range 80 - 110 % over temperature protection - 125 - ? c over volta ge protection - - 13.8 v vin=48 v, full load , in hiccup mode. mtbf 1 , 867 , 232 hours calculated per bell core s r - 332 ( vo=12v, io= 80%load , t a = 25 ? c) dimensions inches (l w h) millimeters (l w h) 2.30 x 0.896 x 0.49 58.42 x 22.76 x 12.47 - 0rcy - 6 0u120 & 0rcy - 60u12l dimensions inches (l w h) millimeters (l w h) 2.30 x 0. 900 x 0.4 5 58.42 x 22. 8 6 x 1 1 . 50 - 0rcy - 60u12b weight - 31.2 - g 0rcy - 6 0u120 & 0rcy - 60u12 l note : all specifications are typical at 25 ? c unless otherwise stated.
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 4 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. remote on/off parameter min typ max unit notes signal low (unit on) - 0.3 - 0.8 v signal high (unit off) active low 2.4 - 18 v 0r cy - 60 u 12 l & 0rcy - 60u12b . the remote on/off pin op en, unit o ff . signal low (unit off) - 0.3 - 0.8 v signal high (unit on) active high 2.4 - 18 v 0r cy - 6 0 u 120. the remote on/off pin op en, unit on. current sink 0 - 0.75 ma output trim equations equations for calculating the trim resistor are shown below. the trim down resistor should be connected between the trim pin and gnd pin . the trim up resis tor should be connected between the trim pin and the vout pin . only one of the resistors should be used for any given application. note: vo_req=desired (trimmed) output voltage [v] output voltage vo= 12.00 v efficiency data efficiency curve 50.00% 60.00% 70.00% 80.00% 90.00% 0.7a 1.75a 3.5a 5.25a 7a output current (a) e f f i c i e n c y 18 v 24 v 48 v 75 v ? ? ? ? % 100 _ ? ? ? vo vo req vo delta ? ? ? ? ? k delta rtrimdown 22 . 10 511 module vout trim gnd rtrimdown module vout trim gnd rtrimup ? ? ? ? ? ? ? ? ? ? k delta vo delta rtrimup 22 . 10 225 . 1 626 11 . 5 ) 100 (
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 5 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. thermal de rating curves maximum fet junction temperature derated to 120 c 0rcy - 60u120 & 0rcy - 60u12l vin=24 v, vo=12 v vin=48 v, vo=12 v 0rcy - 60u12 b vin=24 v, vo=12 v vin=48 v, vo=12 v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 6 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. ripple and noise waveforms 24 vdc input, 12 vdc/7 a output 48 vdc input, 12 vdc/7 a output note: ripple and noise at full load, 0 - 20 mhz bw, wit h a 0.1 uf ceramic cap and a 10 uf tantalum cap at the output, and ta=25 deg c. transient response waveforms 50% - 75 % load transients at vin=24 v 75 % - 50% load transients at vin=48 v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 7 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. transient response wavefo rms (continued) 50% - 75 % load transients at vin=24 v 75 % - 50% load transients at vin=48 v note: transients response at vo=12v, di/dt=0.1 a/us, with a 0.1 f ceramic cap and a 10 uf tantalum cap at output, and ta=2 5 deg c.
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 8 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. mechanical outline 0rcy - 60u120 & 0rcy - 60u12l pin connections pin name function pin dia 1 vin+ positive input voltage 0.040 ?? 2 on/off input to turn converter on and off, referenced to vin - 0.040 ?? 3 vin - negative input voltage 0.040 ?? 4 vout - negative output vo ltage 0.062 ?? 5 s ense - negative remote sense 0.040 ?? 6 trim output voltage trim 0.040 ?? 7 s ense+ positive output voltage 0.040 ?? 8 vout+ positive output voltage 0.062 ?? notes: 1. pin 5 must be connected to vout - . 2. leave pin 6 open for nominal voltage . 3. pin 7 must be connected to vout+ .
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com 9 isolated dc/dc converters 18 vdc - 75 vdc i nput 12 v dc / 7 a output apr . 28 , 20 11 bel powe r inc. , a subsidiary of bel fuse inc. mechanical outline (continued) 0rcy - 60u12 b note: this module is reco mmended and compatible with pb - free wave soldering and must be soldered using a peak solder temperature of no more than 26 0 oc for less th a n 5 seconds . note : 1 ) all pins: material - copper alloy ; finish ? 3 micro inches minimum gold over 50 micro inches minimum nickel plate . 2 ) undimensioned components are shown for visual reference only. 3 ) all dimensions in inches (mm) ; tolerances: x.xx +/ - 0.02 in. (x.x +/ - 0.5mm) x.xxx +/ - 0.010 in. (x.xx +/ - 0.25mm) . pin connections pin name function pin dia 1 vin+ positive input voltage 0.040 ?? 2 on/off input to turn converter on and off, referenced to vin - 0.040 ?? 3 vin - negative input voltage 0.040 ?? 4 vout - negative output vo ltage 0.062 ?? 5 s ense - negative remote sense 0.040 ?? 6 trim output voltage trim 0.040 ?? 7 s ense+ p ositive output voltage 0.040 ?? 8 vout+ positive output voltage 0.062 ?? notes: 1. pin 5 must be connected to vout - . 2. leave pin 6 open for nominal voltage . 3. pin 7 must be conn ected to vout+ .
? 2 0 11 bel fuse inc. specifications subject to change without notice. 042811 10 corporate far east europe bel fuse inc. bel fuse ltd. bel fuse europ e ltd. 206 van vorst street 8f/ 8 luk hop street preston technology management centre jersey city, nj 07302 san po kong marsh lane, suite g7, preston tel 201 - 432 - 0463 kowloon, hong kong lancashire, pr1 8ud, u.k. fax 201 - 432 - 9542 tel 852 - 2328 - 5515 te l 44 - 1772 - 556601 www.belfuse.com fax 852 - 2352 - 3706 fax 44 - 1772 - 888366 www.belfuse.com www.belfuse.com isolated dc/dc converters 18 vdc - 75 vdc input 12 v dc / 7 a output apr . 28 , 20 1 1 bel power inc. , a subsidiary of bel fuse inc. revision history date revi sion changes de tail approval 20 11 - 04 - 28 d add p/n 0rcy - 60u12b without heatsink. xf jiang rohs com p liance complies with the european directive 2002/95/ec, calling for the elimination of lead and other hazardous substances from electronic products .
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