ver : a_1 update : 2015.03.16 dc-dc brick BR400 series 400 watts http://www.archcorp.com.tw tel: +886-2-26989508 fax: +886-2-26981319 -1- description the BR400 is an isolated dc-dc converte r that uses an industry nonstandard quarter-brick structure and features high efficiency and power density. it provides 12 v outputs and supports the maximum output current of 33 a. two BR400s can be connected in parallel to provide the maximum output current of 54 a. the BR400 communicates over pmbus 1.1 to support monitoring and alarm reporting functions, such as monitori ng the output voltage and current, input voltage, digitally adjusting the voltage, and activating software. electrical specifications conditions: ta = 25c (77f), airflow = 1.5 m/ s (300 lfm), vin = 48 v, unless otherwise notes. model no. BR400-12s BR400-12s-p max output wattage (w) 396w voltage (v.dc.) 48v (36~72v) current (a) (max) 14a (vin= 36 - 72 v; iout = 33 a) no-load loss (w) (typ.) 3w (vin= 48 v; iout = 0 a) input reflected ripple current (peak to peak) (typ.) 200 ma (oscilloscope bandwidth:20 mhz) voltage (v.dc.) 12v voltage range (v.dc.) 11.64~12.36v (vin= 40 - 72 v) 11.64~12.36v (vin= 40 - 75 v; adjust the voltage by pmbus) 10.8~12.36v (vin= 36 - 40 v) 10.8~12.36v (vin= 36 - 40 v; adjust the voltage by pmbus) voltage trim range (v.dc.) 8.4~12v current (a) (max.) 33a line regulation (ll-hl) (typ.) ? 0.2% (vin= 40 - 72 v; iout = 33 a) / ? 10% (vin= 36 - 40 v; iout = 33 a) load regulation (0-100%) (typ.) ? 3% (vin = 48 v; iout = 0 - 33 a) ripple & noise (peak to peak) (typ.) 200 mv (oscilloscope bandwidth:20 mhz) 100% load:95% (iout = 33 a) 50% load:96% (iout = 16.4 a) output efficiency (vin = 48 v; ta=25c (77f)) (typ.) 100% load:94% (iout = 6.6 a) over power protection hiccup mode over current protection hiccup mode over voltage protection 14~16v (hiccup mode) short circuit protecti on (max.) hiccup mode threshold:115~135c / hysteresis:10~20c protection over temperature protection self-recovery (the values are obtained by measuring the temperature of the hottest power component on the top surface of the converter.) isolation voltage (v.dc.) 1500 vdc (functional isolation) operating temperature -40c?+85c storage temperature -55c?+125c temperature coefficient (max.) 0.02 % vout / c (ta = -40c to +85c (-40f to +185f )) humidity 95% rh environment mtbf 1.5 million hours (telcordia sr332; 80% load; airflow = 1.5m/s (300 lfm); ta = 40c (104f) safety agency approvals ce, ul, tuv emc emi (conducted & radiated emission) ul60950-1 and csa c22.2 no. 60950-1-07 dimension (l x w x h) 2.28 x 1.45 x 0.5 inches ( 57.9 x 36.8 x 12.7 mm ) tolerance ? 0.5 mm physical weight 66 g key features ? input under voltage protection ? over current protection (hiccup mode) ? short circuit protection (hiccup mode) ? over voltage protection (hiccup mode) ? over temperature protection (self-recovery) ? activates hardware and software * ? digitally adjusts the voltage * ? pmbus revision 1.1 compliant * ? secondary on/off control * ? pre-bias function * ? peak efficiency:96%(12v,16.5a) ? ul60950-1 and csa c22.2 no. 60950-1-07 ? meet ul94v-0 flammability requirements ? rohs6 compliant ? size: 2.28 x 1.45 x 0.5 inches ? 3-years product warranty *BR400-12s without this function
ver : a_1 update : 2015.03.16 dc-dc brick BR400 series 400 watts http://www.archcorp.com.tw tel: +886-2-26989508 fax: +886-2-26981319 -2- electrical specifications conditions: ta = 25c (77f), airflow = 1.5 m/ s (300 lfm), vin = 48 v, unless otherwise notes. model no. BR400-12s BR400-12s-p other low level (v.dc.) -0.7~1.2v -0.7~1.2v (the low electric level is effective) primary on/off voltage high level (v.dc.) 2.8~8v 2.8~8v (the low electric level is effective) primary on/off current low level (ma) (max.) 1ma low level (v.dc.) 0~0.8v (the high electric level is effective) secondary ctl voltage high level (v.dc.) 2.1~3.3v (the high electric level is effective) secondary ctl current low level (ma) (max.) 1ma logic input and output pins in the communications port logic input low level (v.dc.) (max.) 0.8v logic input high level (v.dc.) (max.) 3.6v logic output low level (v.dc.) (max.) 0.25v logic output high level (v.dc.) (max.) 3.6v pmbus setting-up time (ns.) (min.) 100 pmbus holding time (ns.) (min.) 0 pmbus detected precision (vin=36 - 72 v; iout=0 - 33 a;ta = -40c to +85c (-40f to +185f )) input voltage detected precision (v.dc.) ? 1v output voltage detected precision (v.dc.) ? 0.2v output current detected precision (a) ? 1a output power detected precision (w) ? 12.56w temperature detected precision (c) ? 5c note derating 1. during the test of input reflected ripple current, the input terminal must be connected to a 12 uh inductor and a 220 uf ele ctrolytic capacitor. 2. point b, which is for testing the output voltage ripple, is 25 mm (0.98 in.) away from the vout(+) pin.
ver : a_1 update : 2015.03.16 dc-dc brick BR400 series 400 watts http://www.archcorp.com.tw tel: +886-2-26989508 fax: +886-2-26981319 -3- mechanical dimension pin# single 1 +dc in 2 on / off ctl 3 -dc in 4 -dc out 5 +dc out 6 sgnd 7 sa0 8 pmbus_alt 9 sa1 10 pmbus_ctl 11 ishare 12 pmbus_scl 13 pmbus_sda note 1. all dimensions in mm [in.] tolerances: x.x 0.5 mm [x.xx 0.02 in.] x.xx 0.25 mm [x.xxx 0.010 in.] 2. pin 1-3 are 1.00 0.05 mm [0.040 0.002 in.] diameter with 2.00 0.10 mm [0.080 0.004 in.] diameter standoff shoulders. pin4 and pin5 are 1.50 0.05 mm [0.060 0.002 in.] diameter with 2.50 0.10 mm [0.098 0.004 in.] diameter standoff shoulders. pin6 and pin13 are 0.64 0.05 mm [0.025 0.002 in. ] diameter. 3. m3 screw used to bolt unit?s baseplate to other surfaces (such as heatsink) must not exceed 3.00 mm [0.120 in.] depth below the surface of baseplate.
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