dc/dc converters 308w and 350w half brick 1 new product file name: rfb300_350.pdf rev (01): 16 sept 2004 2 year warranty all specifications are typical at nominal input, full load at 25c unless otherwise stated. external output capacitance required (see note 4) specifications rfb300/350 series is a high efficiency, enclosed, isolated dc/dc converter series in an industry standard half brick package that provides up to 350w of output power. the series delivers very high usable output power for todays high performance rf power amplifier and similar applications. the four models in the series feature an input voltage range of 18 to 36vdc and 36 to 75vdc and an output voltage of 12v and 28v. the output voltage is adjustable from 7.2v to 13.2v or 16.8v to 29.4v (not to exceed 308w for the rfb300 and 350w for the rfb350). the series also has a r emote on/off capability. over current, over voltage and over temperature protection features are included as standard. negative logic remote on/off and other options are also available. full international safety approval including en/iec60950 vde and ul/cul60950 reduces compliance costs and time to market. ? high efficiency topology ? w ide temperature range, -40c to +100c @ full power ? high power density (160w/in 3 in 0.4 tall version) ? input voltage range: 18v to 36v or 36v to 75v ? output voltage range: 7.2v to 13.2v or 16.8v to 29.4v ? remote on/off ? operational insulation system rfb300/350 series 24vin and 48vin single output absolute maximum ratings input voltage - peak 24vin -0.5v to 50v (100ms max., 48vin -0.5v to 100v 1% duty cycle max.) input voltage continuous 24vin -0.5v to 40v 48vin -0.5v to 80v adjust pin voltage (with -0.5v to 12v r espect to -sense pin) output specifications v oltage adjustability 12v 7.2v to 13.2v 28v 16.8v to 29.4v min./max. load 12v 0/29.2a 28v 0/11a, 0/12.5a output load capacitance 12v 470f to 4,700f (see note 10) 28v 330f to 3,300f rise time (see note 12) 5ms typ. input specifications input current 24vin 23.3a max. @ lo max. (see note 3) 48vin rfb300 11.2a max. @ lo max. 48vin rfb350 13.0a max. @ lo max. input reflected ripple 24vin 12ma (pk-pk) (see note 4) 48vin 12v model 42ma (pk-pk) 48vin 28v model 28ma (pk-pk) input capacitance - 24vin 30f internal filter 48vin 6.6f inrush current 2a 2 sec. (see note 11) international safety standard approvals vde0805/en60950/iec950 file no. 10401-3336-0198 licence no. 40005395 ul/cul can/csa 22.2 no. 60950 ul 60950 file no. e135734 emc characteristics conducted emissions en55022 see application note 167 radiated emissions en55022 see application note 167 general specifications efficiency 24vin 90% v in=vin(nom), iout (max.) 48vin 12v model 88% 48vin 28v model 91% approvals and vde iec60950, standards iecee cb, ul/cul60950 material flammability ul94v-0 w eight 0.5 tall version 110g (3.88 oz.) mtbf @ 55oc telcordia sr-332, 2,000,000 hours issue 1 environmental specifications thermal performance operating baseplate, -40oc to +100oc temperature non-operating -40oc to +100oc rc pin electrical interface open collector compatible (see an 167 for remote on/off) rc: on voltage (see note 13) 5.0v min. open circuit voltage 5v min, 11v typ, 13v max. high level leakage current (see note 14) -25.0a max. off voltage (see note 15) 1.2v max. low level input current (see note 16) -250a max.
file name: rfb300_350.pdf rev (01): 16 sept 2004 for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters 308w and 350w half brick 2 new product rfb300-24s28-r5t part number system with options product family rfb = half-brick rated output current 300 = 308w 350 = 350w output voltage 12 = 7.2 to 13.2v 28 = 16.8 to 29.4v remote on/off polarity r = negative logic option blank = positive logic option height option (17) 5 = 0.50in (12.70mm) 4 = 0.40in (10.16mm) threaded inserts t = threaded inserts blank = clearance inserts input voltage 24 = 18 to 36v 48 = 36 to 75v number of outputs s = single rfb300/350 series 24vin and 48vin single output output input output output output efficiency regulation model power voltage voltage current current (typ.) line load number (7) (max.) (min.) (max.) 308w 18 - 36vdc 16.8v - 29.4v 0a 11.0a 90% 0.15% 0.2% rfb300-24s28 308w 36 - 75vdc 16.8v - 29.4v 0a 11.0a 91% 0.15% 0.2% rfb300-48s28 350w 36 - 75vdc 7.2v - 13.2v 0a 29.2a 88% 0.15% 0.2% rfb350-48s12 (17) 350w 36 - 75vdc 16.8v - 29.4v 0a 12.5a 91% 0.15% 0.2% rfb350-48s28 notes 1 measurement bandwidth: 20mhz; measured with 1f ceramic and a 330f (470f for 12v output model) aluminum or solid tantalum capacitor across the output terminals. 2 di/dt = 1a/s; ?i out = 25% iout (max); vin = vnom; iout = inom. tested with a 1f ceramic and a 330f (470f for 12v output model) aluminum electrolytic capacitor across the output. 3 external input fusing required. use a fast acting fuse: 40a (24v model), 15a (48v, 350w model). 4 iout = iout (max) measured with the input capacitor, cbypass = 330f, and 6h inductor in series with the power source. frequencies >100khz. 5 signal line assumed <3m in length. 6 this product is only for inclusion by professional installers within other equipment and must not be operated as a stand-alone product. 7 negative remote on/off option also available. add suffix -r to part number, for example see part numbering system. 8 with the enable signal asserted, this is the time from when the input current reaches 10% of the final steady state value until the output voltage reaches 10% of the nominal output value. start-up into resistive load. 9 with vin > vin (min) applied for a minimum of 1 second, this is the time from when the primary on/off signal is activated until the output voltage reaches 10% of the nominal output voltage. notes contd. 10 minimum effective esr is 1m?. minimum phase margin is 35o. 11 measured per etsi 300 132-2 section 4.7.2. 12 from 10% to 90% of vout(nom). full resistive load. 1f ceramic and 330f (470f for 12v model) electrolytic capacitors across the output. 13 converter guaranteed on for positive option. 14 maximum driver leakage to insure converter is on. 15 converter guaranteed off for positive option. 16 driver sink current @ vrc 1.2v. 17 0.40in height option is not available on the 12v output model. protection short-circuit 12v model 39.4a (brickwall current 28v model rfb300 14.3a limiting) 28v model rfb350 16.3a over-voltage protection 12v model 15.0v (output shutdown) 28v model 33.2v over-temperature (midpoint of baseplate) 110oc shutdown
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters 308w and 350w half brick 3 new product file name: rfb300_350.pdf rev (01): 16 sept 2004 -out -sen +out vadj +sen +in -in case rc 1 f 50v 330 f 330 f figure 1 - standard application - 28v output models -out -sen out vad sen in -in case rc 1 f 50v 470 f 330 f figure 2 - standard application - 12v output model rfb300/350 series 24vin and 48vin single output output current (a) temperature (oc) baseplate 0 2 4 6 8 10 12 -40 -20 0 20 40 60 80 100 figure 3 - de-rating curve - rfb300 - 28v models output current (a) temperature (oc) baseplate 0 2 4 6 8 10 12 -40 -20 0 20 40 60 80 100 14 figure 4 - de-rating curve - rfb350 - 28v model output current (a) temperature (oc) baseplate 0 5 10 15 20 25 30 -40 -20 0 20 40 60 80 100 figure 5 - de-rating curve - rfb350 - 12v model figure 6 - typical turn-on delay and risetime rfb350-48s28 channel 1: input voltage, channel 2: output voltage
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters 308w and 350w half brick 4 new product file name: rfb300_350.pdf rev (01): 16 sept 2004 0 3 6 9 12 84 86 88 90 92 efficiency (%) output current (a) vin = 48v figure 8 - typical efficiency vs. output current C rfb300-48s28 0 2 4 6 8 10 12 14 85 86 87 88 89 90 91 92 efficiency (%) output current (a) vin = 48v figure 9 - typical efficiency vs. output current C rfb350-48s28 rfb300/350 series 24vin and 48vin single output 0 6 12 18 24 30 84 86 88 90 92 efficiency (%) output current (a) vin = 48v figure 10 - typical efficiency vs. output current C rfb350-48s12 figure 11 - rfb350-48s28 transient response load 6.25a to 9.38a figure 12 - rfb350-48s12 transient response load 14.5a to 21.75a 0 3 6 9 12 83 85 87 89 91 efficiency (%) output current (a) vin = 24v figure 7 - typical efficiency vs. output current C rfb300-24s28
file name: rfb300_350.pdf rev (01): 16 sept 2004 please consult our website for the following items: ? application note www.artesyn.com data sheet ? artesyn technologies ? 2004 the information and specifications contained in this data sheet are believed to be correct at time of publication. however, art esyn technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. the information and specifications contained or described herein are subject to change in any manner at any time without notice. no rights under any patent accompany the sale of any such product(s) or information contained herein. for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters 300w and 350w half brick 5 new product figure 13 - mechanical drawing, dimension options and pin-out table rfb300/350 series 24vin and 48vin single output pin connections pin number function -vin negative input terminal case rc on/off control terminal +vin positive input terminal +vout positive output terminal +sen positive remote sense v adj output adjustment trim pin -sen negative remote sense -vout negative output terminal case -vin +vin rc -sen vadj 2x ?0.081 (2.06) 7x ?0.040 (1.02) -vout +vout +sen 0.23 0.15 (5.84 3.81) 0.00 (0.00) 1.900 (48.26) 0 (0.00) 2.000 (50.80) 0 0.197 (5.01) 0.187 (4.75) 2.27 0.01 (57.66 0.25) case footprint 2.39 0.01 (60.71 0.25) case footprint do not place labels on base footprint height see dimension option table dimension options option height 5 0.50 +0.05, - 0.15 (12.70 +1.27, -3.81) 4 0.40 +0.05, -0.15 (10.16 +1.27, -3.81)
|
