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b62sr 12424a 12v output dc/dc converter, box type package ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaww.com/dcdc p 1 features ? ultra w ide input voltage range, 18~ 106 v ? 200w output @ 18v~27v vin range ? 300w output @ 27~ 106 v vin range (including 27v) ? full load efficiency up to 88. 0 % @48vin ? i ntergrated fuse holder ? parallel connection of multiple units ? box type package with metal base plate ? package d imension: 1 9 0.0 x 7 6 .0 x43 . 5 mm (7.48x 2. 99x 1. 71 ) ? operating te mperature r ange - 40c to +7 5c ? input reverse p olarity protection ? minimized inrush current ? input uvlo, output oc l , s cp , ovp, otp ? enable on/off (option) ? 22 5 0 vdc isolation ? ip67 protection ? rohs compliant ? iso 9001, iso 14001 certified manufacturing facility ? ul60950 ? ce mark ? emc compatible: en12895 ? electrical transient conduction: iso7637 - 2 the b 62 sr 12424a , a ultra wide input voltage range of 18~ 106 v , and sing le isolated output converter, is the latest product offering from a world leader in power sys tems technology and manufacturing D delta electronics, inc. such box type dcdc converter can provide 300w ( 200w at vin < 2 7 v), 12 .4 v regulated dc output voltage with full load efficiency up to 88. 0 % @ 48vin ; the b 62 sr 12424a offers input uvlo, output over cu rrent limit , short circuit, output over voltage , over temperature , and input reverse polarity protection s . it has an i ntergrated fuse holder . it also has p arallel function; and allows a wide operating temperature range of C 40c to +7 5c. with c reative desi gn technology and optimization of component placement , this converter possess outstanding electrical and thermal performance, as well as high reliability under extrmely harsh operating conditions. t he b 62 sr 12424a meet s ip67 protecion (not include the conne ctor and fuseholder) . . input characteristics item condition min. typ. max. unit continuous input voltage 18 48 106 vdc max input voltage 10 minut es , normal operating 12 6 vdc input under - voltage lockout, turn - on voltage threshold 16 17 18 vdc in put under - voltage lockout, turn - off voltage threshold 14 15 16 vdc lockout hysteresis voltage 1 2 3 vdc maximum input current vin = 18 v, 100% load 13.3 14 a no - load input current vin= 24 v 130 1 80 ma vin= 36 v 100 150 ma vin=48v 60 100 ma vin=72v, 80v 45 80 ma reflected input ripple current vin= 48 v, vpp 0. 6 a max reverse polarity input voltage 106 vdc max inrush current 10 a internal input fuse ? 6.35mm*31.75mm 250v/ 30a fast - acti ng fuse
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 2 out put characteristics item conditions min. typ . max. unit operating output current range vin =18v~ 27v 0 1 6 a vin = 27v ~106v(include 27v) 0 24 a output voltage set point total vin range , io=0 12. 4 12. 6 12. 8 v vin= 18~27 v, io= 16a 12.13 12. 33 12. 5 3 v vin= 27~106 v, io= 24a 1 2.0 12. 2 12 .4 v output v oltage ripple and noise, full load , vpp , 20mhz bandwidth 50 100 mv rms 20 50 mv output current limit vin=24v 1 6.5 18.5 20.5 a vin= 36v, 48v , 72v, 80v 25 28 31 a short current vin=48v, auto restart, rms value 3 a current share accuracy vin=48 v, 24a for each module 6 10 % start - up time vin= 24 v 600 9 00 ms vin= 36v, 48 v 7 00 1 0 00 ms vin=72v, 80 v 85 0 1 2 00 ms rise time 60 1 00 ms output voltage protection 13 15 17 v output voltage current transient , positive and nagetive voltage step v in= 24 v, 8a to 1 2a , 0.1a/us slew rate 150 250 mv vin= 27~106 v. 12a to 18a , 0.1a/us slew rate 150 250 mv maximum output capacitance esr>10mohm 5000 f output overshoot 3 % efficiency @ 100% load (16a) vin= 24 v 8 4. 0 8 6 . 0 % efficiency @ 100 % load (24 a) vin= 36 v 85.0 87.0 % efficiency @ 100 % load (24a) vin= 48 v 86. 0 88. 0 % efficiency @ 100 % load (24a) vin= 72 v ,80v 8 7.0 8 9 . 0 % efficiency @ 6 0 % load (9.6a) vin= 24 v 8 4 .6 8 6 .6 % efficiency @ 6 0 % load (14.4a) vin= 36 v 86.0 88.0 % efficiency @ 6 0 % load (14.4 a) vin= 48 v 8 6.6 8 8.6 % efficiency @ 6 0 % load (14.4a) vin= 72 v ,80v 88.0 90.0 % general characteristics item conditions min. typ. max. unit isolation voltage , input to output , input to case 2250 vdc ouput to case 5 50 vdc isolation resistance , inp ut to output 10 m isolation capacitance , input to output 5 000 pf switching frequency 175 k hz mtbf ta=25 o c, 80%load 2.1 mhours weight 9 0 0 g environmental specifications parameter conditions min. max. unit storage temperature range - 40 +125 operatin g temperature range ambient temperature - 40 +75 maximum permitted meta plate temperature vin=48v, io= 24 a, refer to figure 20 92 over temperature protection ntc temperature 118 humidity (non condensing) 95 % rel. h water protection level w i thout connector&fuseholder ip67 vibration iec 60068 - 2 - 6 10 g/ 15 ~200hz/3 planes shock iec 60068 - 2 - 27 50 g 3 planes emission en12895 30 - 1000mhz 34 - 45dbuv/m immunity en12895 , en61000 - 4 - 3 10v/m /27 - 1000mhz am; 10v/m /900mhz pm esd en12895, en61000 - 4 - 2 dire ct: 2kv 4 kv ; air: 2kv 4 kv 8 kv notes 1 specifications typical at ta=+25 , nominal input voltage and rated full load output current unless otherwise noted. 2 specifications are subject to change without notice.
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 3 electrical curves figure 1 : efficiency vs. output current @ vin= 24v,36v, 48 v , 72v, 80v fig ure 2 : loss vs. output current @ vin= 24v,36v, 48 v , 72v, 80v figure 3 : dynamic response to load step 12a~18a with 0.1a/us slew rate at 48 vin ch1:vout, 10 0mv/div, 5 00 u s/div figure 4 : vout start up with vin on at 48 vin ,24a iout, top : v in , 20 v/div, 200m s/div bottom: v out , 5 v/div, 200m s/div figure 5 : output ripple & noise at 48 vin, 24 a iout ch1:vout, 5 0mv/div, 5u s/div figure 6 : output over voltage protection at 48 vin, 24 a iout ch1:vout, 10 v/div, 5 0m s/div
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 4 electrical curves (cont inous) figure 7 : input current vs. input voltage @ vin= 18v~27v, 200w; vin=27v~ 106 v, 300w figure 8 : output voltage vs. output current ocl performance figure 9 : output voltage vs. output current @vin=48v. dro op function. figure 10 : current share accuracy vs. total o utput current 2 in parallel. figure 11 : output short current @vin=48v ch1: io , 20a /div, 200m s/div figure 12 : inrush current @ vin=48v ch1: iin , 2 a /div, 2 00n s/div ; max current 2.7 a, i2t=1. 24 e - 7 a 2 s
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 5 features description s output over - current limit and short protection the modules include internal output over - current limit (ocl) and short circuit protection (scp) circuits , the ocl set point is lower than that of the scp; t he res ponse of scp circuit is much fast than that of the ocl circuit . t he slowly increase of the output curre nt will let module enter ocl protection when the current exceeds the ocl set point, while the fast increase of the output current will let module enter s cp when the current exceeds the scp set point. w hen the m odules enter ocl protection, the output voltage will decrease while the output current is ke pt constant, the output voltage will soft start to set point when the overload condition is removed. t he module will enter hiccup mode when it triggers the scp set point . t he module will try to restart after shutdown. if the overload condition still exists, the module will shut down again. this restart trial will continue until the overload condition is remov ed. output over - voltage protection the power module include s an internal output over - voltage protection (ovp) circuit, which monitors the voltage on the output terminals. if this voltage exceeds the ovp set point, the module will shut down, and then resta rt after a fixed delay time (hiccup mode) , please refer to figure6 for detail . over - temperature protection the over - temperature protection consists of circuitry that provides protection from thermal damage. if the temperature exceeds the preset temperat ure threshold the module will shut down,and all components will not exceed their absolute maximum temperature rating s .the module will restart after the temperature is within specification. remote on/of f b 62 sr12424a has an option for enable control. a n ad ditional pin need to added to achieve this function. th is enable pin is designed on the primary side of converter, the converter will turn on when the enable pin connected to vin+, and turn off when the enable pin connected to vin - or floating. delta can c hange the 4pin connector to a 5pin connector to achieve the enable function, please contact us if you need this function . figure 13 : suggested enable connection input reverse voltage protection the input reverse voltage protection is provided by an diode on the input line, the standoff voltage for the reverse protection shall be no less t han - 106 v. enable vin+ vin - vo+ vo - b 62 sr 12424
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 6 design consideration s parallel connection of multiple units two units parallel operation is verified, please contact delta if more than two units need to be paralleled. w h ile parallel ling multiple units, the impedance of the cable s from unit to junction point of each unit should be within 5 % of each other . figure 1 4 : suggested parallel connections emc the converter has the i nternal emi filters and meet the emc standards en 12895 30 - 1000mhz 34 - 45dbuv/m . t he test result is showed as below conditions: vin= 48 v, io= 24 a , 10m measure distance figure 1 5 : test result(vertical) figure 1 6 : test result(horizontal) fuse replacement the module has the intergratted the fuse holder, when the fuse needs to be replaced, it can be taked down in an anticlockwise direction by slotted type screwdrivers . recommended fuse repl acement p/n: littlefuse 0314030.mxp unit1 unit2 load unit 1 unit2 load
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 7 thermal consideration the following figure shows the location to monitor the temperature of base plate . before customer decides to use this dcdc converter, a thermal evaluation need to be did to make sure the temperatu re of base plate is lower than that read from below thermal curves (figure1 8~22 base on different input voltage). figure 17 : thermal consideration thermal curves figure 1 8 : output current vs. base table temperature @ vin= 24 v aos
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 8 thermal cu rves figure 1 9 : output current vs. base table temperature @ vin= 36 v figure 20 : output current vs. base table temperature @ vin= 48 v aos aos
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 9 figure 21 : output current vs. base table temperature @ vin= 72 v figure 2 2 : ou tput current vs. base table temperature @ vin= 80 v aos aos
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 10 m echanical drawing mechanical dimensions pin connections pin function description 1 output - 2 output + 3 input - 4 input + ? all dimensions in mm (inches) ? tolerance: x.x 0. 5 (x.xx0.0 2 ) x.xx 0. 25 ( x.xxx0.0 10 ) ? connector: molex mini - fit sr tm header (molex p/n : 428 19 - 421 3 ) physical outline case size : 1 90 .0 x 7 6 .0 x 43 . 5 mm ( 7.48 x 2. 99 x 1 . 71 ) case material : case: pc ; plate: al 6063
ds_ B62SR12424A _ 10222013 e - mail dcdc @ d elta.com.tw http:// www.deltaw w.com/dcdc p 11 part number ing system b 62 s r 124 24 a c form factor input voltage number of outputs product series output voltage output current option code option f itting b - box 62 C 18 v~ 106 v s C single r C regular 124 C 12.4 v 24 C 24 a with built - in fuse holder enable pin sealed connector & fuse holder connectr kit a yes no no 1xhousing+ 4 terminals b yes no yes c no yes no d no no no model list input voltage range input output eff @ 48vin 100% load b 62sr12424 ( a \ b \ c \ d 18 v~ 106 v 1 4 a 12. 4 v 24 a 8 8 % contact : www.deltaww.com/dcdc usa: telephone: east coast: 978 - 656 - 3993 west coast: 510 - 668 - 5100 fax: (978) 656 3964 email: dcdc@delta - corp.com europe: phone: +31 - 20 - 655 - 0967 fax: +31 - 20 - 655 - 0999 email: dcdc@delta - es.com asia & the rest of world: telephone: +886 3 4526107 ext 6220~6224 fax: +886 3 4513485 email: dcdc@delta.com.tw warranty delta offers a t wo ( 2 ) year s limited warranty. complete warranty information is listed on our web site or is available upon request fro m delta. information furnished by delta is believed to be accurate and reliable. however, no responsibility is assumed by delta for it s use, nor for any infringements of patents or other rights of third parties, which may result from its use. no license i s granted by implication or otherwise under any patent or patent rights of delta. delta reserves the right to revise these specifications at any time , without notice .
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