rev:20130814a page 1 of8 dc - dc converters bwc60 series -- 60watt f ea tures wide 2 : 1 input voltage range(18~36v,36~75v) r e mote on/off input / output isolation voltage: 1.5k vdc high efficiency: up to 91% output short circuit protection: hiccup & auto recovery over voltage protection: clamp mode over temperature protection shielded metal case with insulated baseplate lead free design, rohs compliant adjustable output voltage customer design available option heat sink safety standard / approval : iec / en 60950-1 te c hnical specification all specifications are typical at nominal input, full load and 25c unless otherwise stated. output current (ma) input current (ma) model number input voltage range output voltage (v) min. load full. load no load full load eff . ( 1 ) (%) capacitive load, max. (2) ( uf) bwc60-24s0 3.3 0 14000 120 2292 88 47000 bwc60-24s1 5 0 12000 160 2907 90 36000 bwc60-24s2 12 0 5 0 00 45 2941 89 6800 BWC60-24S3 18~36v n o minal:24v 15 0 4 0 00 45 2907 90 4700 bwc60-48s0 3.3 0 14000 65 1132 89 47000 bwc60-48s1 5 0 12000 90 1453 90 36000 bwc60-48s2 12 0 5 0 00 30 1453 90 6800 bwc60-48s3 36~75v n o minal:48v 15 0 4 0 00 30 1437 91 4700 description the bwc60 series are isolated 60w dc/dc converters. designed with highly efficiency, allow the operating temperature range of these units to be -40c to +85c in a 50.850.810.2mm shielded metal case. further features include wide 2 : 1 input voltage range, remote on/off control, short-circuit protection, over voltage protection and over temperature protection. applications these converters are well suitable for battery operated equipment, measurement equipment, telecom, wireless network, industry control system, everywhere where isolated, tightly regulated voltages and compact size are required. bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 2 of8 dc - dc converters bwc60 series -- 60watt input specifications input voltage 2 4 v nominal input 18-36v 4 8 v nominal input 36-75v input filter pi type input surge voltage 2 4 v input 50v (100ms max.) 4 8 v input 100v input reflected ripple current nominal vin and full load 66map-p typ. start up time n o minal vin and constant resistive load 160ms typ. converter: on o p en or 3.5v vr 12v remote on/off c o nverter: off short (3) or 0v vr 0.7v sourcing current of remote control pin nominal vin 0 . 2 ma idle input current (at remote off state) nominal vin 2 0 ma environmental specifications operating ambient temperature - 4 0c to +85c (with derating ) maximum case temperature + 1 00c storage temperature range - 5 5c to +105c relative humidity 9 5 % rh max. temperature coefficient 0 .02% / c max. output specifications output power 6 0 watts max. voltage accuracy full load and nominal vin 1% minimum load 0 m a line regulation l l to hl at full load 0.2% 0.5% load regulation 2 5 % load to full load (0.8% for 3.3vout) ripple and noise (20mhz bandwidth) 8 5 mvp-p max. 3.3vout models 3 . 9v 5vout models 6 . 2v 12vout models 1 5 v over voltage protection ( z ener diode clamp) 15vout models 18v capacitive load s e e table over load protection % of full load at nominal input 110% min. thermal shutdown 1 1 0c typ. short circuit protection h i ccup, automatic recovery transient response settling time 50% load step change 1 6 0 s typ. transient response over shoot d i /dt=0.8a/ s 5% of vo bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 3 of8 dc - dc converters bwc60 series -- 60watt general specifications efficiency n o minal input see table isolation voltage i n put to output 1500v dc isolation resistance 5 0 0vdc 10 9 ohms min. isolation capacitance 1 2 00pf typ. switching frequency 3 0 0khz typ. reliability, calculated mtbf 7.48 10 5 hrs physical specifications case material n i ckel-coated copper base material f r 4 pcb potting material s i licon rubber (ul94 v-0) 2 . 00 2.00 0.40 inch dimensions ( 5 0.8 50.8 10.2 mm) weight 6 0 g (2.11oz) typ. bwc60 series bwc60 series power derating curve without heatsink (4 ) power derating curve with heatsink (4) am b ient temp.ta ( ) a mb ient temp.ta ( ) bwc60-48s1 bwc60-48s1 input voltage vs. efficiency output current vs. efficiency input voltage (v) output current (a) efficiency (%) efficiency (%) output power (%) output power (%) 0 2 0 4 0 60 80 100 120 -40 -20 0 20 40 60 80 100 120 40 0 2 0 4 0 60 80 100 120 -40 -20 0 20 40 60 80 100 120 54 60 65 70 75 80 85 90 95 100 36 40 44 48 52 56 60 64 68 75 50 55 60 65 70 75 80 85 90 95 100 1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 10.8 12.0 bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 4 of8 dc - dc converters bwc60 series -- 60watt b w c60-48s1 bwc60-48s1 transient response at 50%~100% max load lo o p gain & phase at vi=48v,full load note 1. typical value, tested at nominal input and full load. 2. for each output. 3. short to -vin (pin 2). 4. based on bwc60-48s1. mechanical dimensions sp e cifications subject to change without notice. pin assignment pin single 1 + v in 2 - v in 3 r e mote on/off 4 -sense 5 +sense 6 +vout 7 - v out 8 t r im unit: mm [inch] t o lerance: 0.5[ 0.02] 1 2 3 4 5 6 7 8 b b b b o oo ot tt tt tt to oo om mm m v vv vi ii ie ee ew ww w bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 5 of8 dc - dc converters bwc60 series -- 60watt heat-sink (option) ma t erial: aluminum weight: 19g (0.67oz) (without converter) note: t h e product label on converter has to be removed before mounting the heat-sink. for volume orders, converters will be supplied with heat-sink already mounted. please contact factory for quotation. bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 6 of8 dc - dc converters bwc60 series -- 60watt test configurations a l l specifications are typical at nominal input, full load and 25c unless otherwise stated. dc power supply: it offers a wide voltage and current range precisely. current meter (a): accuracy 200a ~ 200ma 4 ranges+ (0.2% rdg + 2 digits) 2 0 00ma ~ 20a 2 ranges+ (0.3% rdg + 2 digits). v o ltage meter (v): accuracy + (0.03% rdg + 4 digits). l o ad: at full load. wires: the resistance of the wires must be small. 1. input voltage range: n arrow input voltage range 10 % wide input voltage range (2:1 and 4:1 ex: narrow input voltage range 10% 5v nominal input 4.5~5.5v 12v nominal input 10.8~13.2v 24v nominal input 21.6~26.4v wide input voltage range 2:1 5v nominal input 4.5~9v 12v nominal input 9~18v 24v nominal input 18~36v 48v nominal input 36~75v wide input voltage range 4:1 (w) 24v nominal input 9~36v 48v nominal input 18~75v 2. input power : pin = vin x iin vin p inp ut voltage iin p input current 3. output power : pout = vout x iout vout p out put voltage iout p output current 4. efficiency : pout: output power pin : input power 5. voltage accuracy : v o ut output voltage vo ut(nominal) nominal output voltage dc power supply a v load dc/dc converter v a dc power supply a v load dc/dc converter v a v out-vout(nominal) vout x 1 00% efficiency = x100% pout p i n bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 7 of8 dc - dc converters bwc60 series -- 60watt noise ripple ripple & no ise 6 . line regulation : (1) wide input voltage range and regulated output vol tage series. (2) narrow input voltage range 1 0 % and unregulated output voltage series. ? vout = vout(+10%)-vout(-10%) x100% v o ut vout(+10%) output voltage at vin = 1.1xvin(nominal)&full load vout(-10%) output voltage at vin = 0.9xvin(nominal)&full load vout output voltage at vin = vin(nominal)&full load ? vin = vin(+10%)-vin(-10%) x100% v i n(nominal) vin(+10%) input voltage = 1.1xvin(nominal) vin(-10%) input voltage = 0.9xvin(nominal) vin(nominal) nominal input voltage 7. load regulation : v out(fl)-vout(nl) x100% v o ut(fl) vout(fl): output voltage at full load vout(nl): output voltage at 25% full load or 10% full load 8. ripple and noise : a s shown below. the bandwidth is 0-20mhz. vo ut(ll)-vout(hl) vout(ll) l l : low line input voltage hl: high line input voltage x100% v out v in line regulation = bothhand usa sales@bothhandusa.com www.bothhandusa.com
rev:20130814a page 8 of8 dc - dc converters bwc60 series -- 60watt o u tput ripple&noise measurement test circuit: as shown below. co: usually 0.47uf. 9. temperature derating curve : t he dc-dc converter will operate over a wider temperat ure range if less power is drawn from the output and the device is already running. the temperature derating curve shows the operating power-temperature range. as shown below. ambient temp.ta ( ) 1 0. switching frequency : t he nominal operating frequency of the dc-dc converter s. 11. i nput to output isolation : t he dielectric breakdown strength test between input a nd output circuits. this is the isolation voltage the device is capable of withstanding for a specified time, usually 1 second or 1 minute. load dc/dc converter oscilloscope copper strip copper strip co load dc/dc converter oscilloscope copper strip copper strip load dc/dc converter oscilloscope copper strip copper strip co output power (%) 0 2 0 4 0 60 80 100 120 -40 -20 0 20 40 60 80 100 120 40 bothhand usa sales@bothhandusa.com www.bothhandusa.com
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