View 0REB-80T12_2106226.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. features ? isolated ? remote on/off logic (optional) ? high efficiency ? input under voltage protection ? fixed frequency (400 khz) ? output over voltage protection ? high power density ? ocp/scp ? low cost ? over temperature protection ? class 1, category 2, isolated dc/dc converter (refer to ipc-9592) ? ul60950-1 recognized (ul/cul) (pending) applications ? networking ? computers and peripherals ? telecommunications description the 0REB-80T12x is an isolated dc/dc converter that operates from a nominal 48 vdc source. this converter provides up to 80 w of output power. features include remote on/off, short circuit protection, over current protection, over-temperature protection, output over-vol tage protection, input under-voltage protection. these converters are provided in an industry standard eighth brick package. part selection output voltage input voltage max. output current max. output power typical efficiency model number active low model number active high 12 vdc 36 vdc - 75 vdc 6.5 a 80 w 93% 0REB-80T12l 0REB-80T120 notes: add ?g? suffix at the end of the model number to indicate tray packaging. part number explanation 0 r eb ? 80 t 12 x 1 2 3 4 5 6 7 1---through hole mount 2---rohs 6, change ?r? to ?7? means rohs 5 3---series name 4---series code 5---input range (36-75v) 6---output voltage (12v) 7---enable, ?0? means active high, and ?l? means active low 0REB-80T12x rohs com p liant preliminary rev.b
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. absolute maximum ratings parameter min typ max unit notes continuous non-operating input voltage -0.3 - 75 v input transient voltage - - 100 v 100ms maximum remote on/off -0.3 - 18 v i/o isolation voltage 1500 - - v ambient temperature -40 - 85 c storage temperature -55 - 125 c note: ratings used beyond the maximum ratings may caus e a reliability degradation of the converter or may permanently damage the device. input specifications parameter min typ max unit notes operating input voltage 36 48 75 v input current (full load) - - 2.4 a input current (no load) - 50 100 ma remote off input current - 10 15 ma input reflected ripple current (rms) - 2 4 ma input reflected ripple current (pk-pk) - 10 20 ma with simulated source impedance of 10uh, 5hz to 20mhz. use a 100uf/100v electrolytic capacitor with esr=1 ohm max, at 200khz@25c. i 2 t inrush current transient - - 1 a 2 s turn-on voltage threshold 33 34 35 v turn-off voltage threshold 30 31 33 v caution: this converter is not internally fused. an input line fuse must be used in application. recommend a fast-acting fuse with maximum rating of 3a on system board. refer to the fuse manufacture?s datasheet for further information. notes: 1. this converter has internal c-l-c (0.47uf-2.2uh-3.2uf) filter. 2. all specifications are typical at 25 c unless otherwise stated. output specifications parameter min typ max unit notes output voltage set point 11.76 12 12.24 v vin=48v, io=50% load load regulation - 0.1 0.2 % vo,set vin=48v, io=0~100% load line regulation - 0.1 0.2 % vo,set vin=36~75v,io=100% load regulation over temperature (-40deg.c-85deg.c) - - 0.02 % vo,set/c ripple and noise (pk-pk) - 30 50 mv ripple and noise (rms) - 5 10 mv vin=48v, io=100%load at 25 c ambient, 0-20mhz bw, with a 1f ceramic capacitor, 10uf tantalum cap and a 220uf electrolytic cap at output. ripple and noise (pk-pk) under worst case - - 60 mv over all operati ng input voltage, load and ambient temperature condition
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. output specifications (continued) parameter min typ max unit notes output current range 0 - 6.5 a output dc current limit 7 7.8 8.8 a short circuit surge transient - - 0.05 a 2 s rise time - - 15 ms - 25 30 ms enable form vin turn on time - 25 30 ms enable form on/off overshoot at turn on - 0 3 % output capacitance 220 - 5000 uf transient response overshoot - 200 250 mv v 50%~75% of max load settling time - 350 450 us overshoot - 200 250 mv v 75%~50% of max load settling time vo= 12 v - 350 450 us di/dt=0.1a/us, vin=48vdc, ta=25c, with a 1f ceramic capacitor, 10uf tantalum cap and a 220uf electrolytic cap at output. note: all specifications are typical at nominal inpu t, full load at 25c unless otherwise stated. general specifications parameter min typ max unit notes efficiency 90 93 - % vin=48v, full load switching frequency - 400 - khz output voltage trim range 80 - 110 % over temperature protection - 110 120 over voltage protection(static) 13.8 - 15 v this voltage is achieved by trimming up output slowly. over voltage protection (dynamic) - - 18 v the transient over voltage is achieved by connecting the trim pin to vout+ pin through a 100k resistor. weight - 18 - g fit tbd - calculated per bell core sr-332 (vin=48v, vo=12v, io=5a, t a = 25 c, fit=10 9 /mtbf) dimensions inches (l w h) millimeters (l w h) 2.30 x 0.90 x 0.40 58.42 x 22.86 x 10.20 - isolation characteristics input to output 1500 - - v isolation resistance 10m - - ohm isolation capacitance - 3900 - pf 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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. efficiency data 80% 82% 84% 86% 88% 90% 92% 94% 1.625a 3.25a 4.875a 6.5a output current (amp) efficiency (%) 36v 48v 75
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary 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 1.8 - 18 v the remote on/off pin open, unit off. signal low (unit off) -0.3 - 0.8 v signal high (unit on) active high 1.8 - 18 v the remote on/off pin open, unit on. current sink 0 - 1 ma recommended remote on/off circuit for active low control with open collector/drain circuit control with photocoupler circuit control with logic circuit permanently on recommended remote on/off circuit for active high control with open collector/drain circuit control with photocoupler circuit control with logic circuit permanently on vin+ vin- on/off vin+ vin- on/off vin+ vin- on/off vcc vin+ vin- on/off vin+ vin- on/off vin+ vin- on/off vin+ vin- on/off vcc vin+ vin- on/off
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. output trim equations equations for calculating the trim resistor are shown below. the trim down resistor should be connected between the trim pin and sense (-) pin. the trim up resistor should be connected between the trim pin and the sense (+). only one of the resistors should be used for any given application. minimum trim down voltage is 9.6v maximum trim up voltage is 13.2v. the total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage. note: vo_req=desired (trimmed) output voltage [v] output voltage vo=12.000 v [] ? = k delta rtrimdown 22 . 10 511 vout +sense -sense gnd trim rtrim_down [] ? ? ? ? ? + = k delta vo delta rtrimup 22 . 10 225 . 1 626 11 . 5 ) 100 ( vout +sense -sense gnd trim rtrim_up () [] % 100 _ ? = vo vo req vo delta 9.6 9.84 10.08 10.32 10.56 10. 8 11.04 11.28 11.52 11.76 12 0 40 80 120 160 200 240 280 320 360 400 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 12 12.12 12.24 12.36 12.48 12.6 12.72 12.84 12.96 13.08 13.2 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm)
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. remote sense this module has remote sense compensation feature. it can minimize the effects of resistance between module?s output and load in system layout and facilitates accurate voltage regulation at load terminals or other selected point. 1. the remote sense lines carries very little current and hence do not require a large cross-sectional area. 2. this module compensates for a maximum drop of 10% of the nominal output voltage. 3. if the unit is already trimmed up, the available remote sense compensation range should be correspondingly reduced. the total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage. 4. when using remote sense compensation, all the resistance, parasitic inductance and capacitance of the system are incorporated within the feedback loop of this module. it can make an effect on the module's compensation, affecting the stability and dynamic response. a 0.1uf ceramic capacitor can be connected at the point of load to de-couple noise on the sense wires. 5. recommend the connection of remote sense compensation as below figure. there are a resistor rs+ (40.2 ohm) from vo+ to sense+ and a resistor rs- (40.2 ohm)) from vo- to sense- inside of this module. 6. if not using remote sense compensation, please connec t sense directly to output at module's pin, that is, connect sense+ to vo+ and sense- to vo- at module's pin, the shorter the better. see below figure. sense+ sense- rs- vo- vo+ rs+ load sense+ sense- rs- vo- vo+ rs + load
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. over current protection to provide protection in a fault output overload condition, the module is equipped with internal current-limiting circuitry and can endure current limiti ng for a few mili-seconds. if the over current condition persists beyond a few milliseconds, the module will shut down into hiccup mode and restart once every 300ms. the module operates normally when the output current goes into specified range. the typical average output current is 1.75a during hiccup. over voltage protection the output over voltage protection consists of circuitry that monitors the voltage on the output terminals. if the voltage on the output terminals exceeds the over voltage protection threshold, the module will shutdown into hiccup mode and restart once every 300ms. the module operates normally when the fault is cleared. test setup: waveform: ch1: output voltage waveform r = 100k vin=48v expansion of on time portion vo+ vo- trim r k sense+ sense- trim r k
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 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. over temperature protection the otp is achieved by thermistor r67 and the threshold is set at 110c in non-latch mode; the hottest component q3 reaches 112c with 100lfm air flow correspondingly. it will restart automatically when the temperature falls down to 105c. the protecting point will be varied a little under differ ent conditions (air flow, ambient temperature, input voltage, load...). input under-voltage lockout v1=31v v2=34v input voltage (v) i n put c u r r e n t voltage falling voltage rising v1 v2 under- voltage lockout
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 10 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. ripple and noise waveform 48vdc input, 12vdc/6.5a output note: ripple and noise at full load, with a 1uf ceramic cap and a 10 uf tantalum cap and a 220uf electrolytic cap at output, ta=25 deg c. transient response waveforms vout= 12v 50%-75% load transients vout= 12v 75%-50% load transients note: transient response at vin=48v, di/dt=0.1a/us, with a 1uf ceramic cap and a 10uf aluminum cap and a 220uf electrolytic 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 11 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. startup & shutdown rise time vin=48v, vo=12v, io=6.5a startup time startup from vin ch1: vo ch3: vin vin=48v, vo=12v, io=6.5a startup from on/off ch1: vo ch3: on/off vin=48v, vo=12v, io=6.5a
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 12 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. startup & shutdown (continued) shutdown vin=48v, vo=12v, io=6.5a thermal derating curve maximum junction temperature of semiconductors derated to 120 degree c. derating curve under normal input
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 13 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. thermal derating curve (continued) temperature reference points on top side temperature reference points on bottom side
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 14 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. safety & emc safety 1. material flammability ul94v-0 2. tuv certification en60950-1 3. ul certification ul60950-1 emc 1. surge iec61000-4-5 2. dc-dip iec61000-4-29 3. conductive emi en55022 class a compliance to en55022 class a (both q.peak and average) with the following inductive and capacitive filter setup: item designator parameter vendor vendor p/n 1 c1 1uf/100v,ceramic murata grm32er72a105ka01l 2 c2 0.1uf/100v, ceramic tdk c3216x7r2a104k 3 c3 100uf/100v, al cap nichicon uvz2a101mpd 4 c4 22nf/1000v,ceramic johanson 631s41w223kv4e 5 c5 22nf/1000v,ceramic johanson 631s41w223kv4e 6 t1 1.3mh, common mode pulse p0402nl conv.positive input conv.negative input c 1 c2 c3 t1 t1 +vin -vin c4 c5
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 15 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. layout layout of components on top side layout of components on bottom side
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 16 isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subs idiary of bel fuse, inc. mechanical outline note: 1. pin 5 must be connected to vout(-) 2. pin 7 must be connected to vout(+) note: this module is recommended 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 than 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 +/-0.0 2 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm). pin function dia. 1 vin(+) 0.04?? 2 rc 0.04?? 3 vin(-) 0.04?? 4 vout(-) 0.062?? 5 rs- 0.04?? 6 trim 0.04?? 7 rs+ 0.04?? 8 vout(+) 0.062?? .
? 2010 bel fuse inc. specifications subject to change without notice. 111510 17 corporate far east europe bel fuse inc. bel fuse ltd. bel fuse europe 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 tel 44-1772-556601 www.belfuse.com fax 852-2352-3706 fax 44-1772-888366 www.belfuse.com www.belfuse.com isolated dc/dc converters 36 vdc - 75 vdc input, 12 vdc/6.5 a output nov. 15, 2010 bel power, inc. , a subsidiary of bel fuse, inc. revision history date revision changes detail approval 2010-09-11 pa first release xf jiang 2010-11-15 pb 1. updated turn-on/off voltage th reshold in input specifications. 2. updated load regulation, line regulation, output ripple and noise, output dc current limit, turn on ti me, output capacitance, transient response in output specifications 3. updated remote on/off. xf jiang rohs compliance complies with the european directive 2002/95/ec , calling for the elimin ation of lead and other hazardous substances from electronic products.

▲Up To Search▲

Price & Availability of 0REB-80T12

	To Download 0REB-80T12 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .