features ? 4200vac reinforced insulation ? insulation rated for 300vac working voltage ? medical safety to ul/csa/en/iec 60601-1 3 rd edition ? 2 moop rated ? wide 2:1 input voltage range ? fully regulated output voltage ?low leakage current ? operating temp. range C40c to +75 c ? input filter meets en 55022,class a and fcc, level a ?overload protection ? 2x 1 plastic package ? 3 years product warranty product overview the mkw10m series is a new range of high performance dc/dc converter modules with a reinforced insulation system .the i/o- isolation voltage is specified for 4200vacrms.the product comes in a compact 2x1 industry standard package. all 15 models features wide 2:1 input voltage range and fully regulated output voltage.the mkw10m dc/dc converters offer an economical solution for demanding applications in industrial and medical instrumentation requesting a certified supplementary or reinforced insulation system to comply with industrial or latest medical safety standards. model selection guide output current input current efficiency (typ.) input voltage (range) output voltage max. @max. load @no load reflected ripple current max. capacitive load @max. load model number vdc vdc ma ma(typ.) ma (typ.) ma(typ.) f % mkw10-12s05m 5 1600 877 76 mkw10-12s051m 5.1 1600 907 1000 75 mkw10-12s12m 12 835 1044 470 80 mkw10-12d12m 12 417 1042 80 mkw10-12d15m 12 (9 ~ 18) 15 333 1028 30 100 220# 81 mkw10-24s05m 5 2000 541 77 mkw10-24s051m 5.1 2000 559 1000 76 mkw10-24s12m 12 835 516 470 81 mkw10-24d12m 12 417 516 81 mkw10-24d15m 24 (18 ~ 36) 15 333 508 20 50 220# 82 mkw10-48s05m 5 2000 271 77 mkw10-48s051m 5.1 2000 280 1000 76 mkw10-48s12m 12 835 258 470 81 MKW10-48D12M 12 417 258 81 mkw10-48d15m 48 (36 ~ 75) 15 333 254 10 25 220# 82 # for each output input specifications parameter model min. typ. max. unit 12v input models -0.7 --- 25 24v input models -0.7 --- 50 input surge voltage (1 sec. max.) 48v input models -0.7 --- 100 12v input models 7 8 9 24v input models 13 15 18 start-up threshold voltage 48v input models 30 33 36 12v input models --- --- 8.5 24v input models --- --- 16 under voltage shutdown 48v input models --- --- 34 vdc short circuit input power --- --- 3000 mw internal power dissipation --- --- 4000 mw conducted emi all models compliance to en 55022,class a and fcc part 15,class a t otal power in total power international, inc toll free: 877-646-0900 www.total-power.com
mk w10m series dc/dc converter 10w, reinforced insulation, medical safety output specifications parameter conditions min. typ. max. unit output voltage setting accuracy at 50% load and nominal vin --- --- 1.0 %vnom. output voltage balance dual output, balanced loads --- 0.5 2.0 % line regulation vin=min. to max. --- 0.3 0.5 % io=15% to 100% --- 0.5 1.0 % load regulation io=5% to 100% --- 0.6 1.2 % 5v & 5.1v output models --- 75 100 mv p-p ripple & noise (20mhz) other output models --- 100 150 mv p-p min.load no minimum load requirement over load protection 120 150 --- % transient recovery time --- 300 600 sec transient response deviation 25% load step change --- 3 5 % temperature coefficient --- 0.02 0.05 %/ short circuit protection continuous isolation, safety standards parameter conditions min. typ. max. unit i/o isolation voltage (reinforced) 60 seconds 4200 --- --- vacrms i/o isolation test voltage flash tested for 1 second 6000 --- --- v pk leakage current 240vac, 60hz --- --- 10 a i/o isolation resistance 500 vdc 10 --- --- gg i/o isolation capacitance 100khz, 1v --- 60 80 pf cul/ul60950-1, csa c22.2 no. 60950-1-03 ul60601-1,csa c22.2 no.601-1, safety standards iec/en 60950-1, iec/en 60601-1 3 rd edition, 2 moop iec60950-1 cb report, cul/ul 60950-1 certificate approvals(pending) ul60601-1 ul certificate general specifications parameter conditions min. typ. max. unit switching frequency 120 150 180 khz mtbf(calculated) mil-hdbk-217f@25 , ground benign 1,000,000 --- --- hours input fuse 12v input models 24v input models 48v input models 3000ma slow-blow type 1500ma slow-blow type 750ma slow-blow type environmental specifications parameter conditions min. max. unit operating ambient temperature range (see power derating curve) natural convection -40 +75 case temperature --- +95 storage temperature range -50 +125 humidity (non condensing) --- 95 % rel. h altitude --- 4000 m cooling free-air convection lead temperature (1.5mm from case for 10sec.) --- 260 t otal power in total power international, inc toll free: 877-646-0900 www.total-power.com totatotal power international, inc.
mkw10m series dc/dc converter 10w, reinforced insulation, medical safety power derating curve output power (%) notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage and rated output current unless otherwise noted. 2 transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%. 3 ripple & noise measurement bandwidth is 0-20mhz. 4 all dc/dc converters should be externally fused at the front end for protection. 5 other input and output voltage may be available, please contact factory. 6 that natural convection is about 20lfm but is not equal to still air (0 lfm). 7 specifications are subject to change without notice. package specifications mechanical dimensions pin connections pin single output dual output 1 +vin +vin 2 -vin -vin 3 +vout +vout 4 no pin common 5 -vout -vout ? all dimensions in mm (inches) ? tolerance: x.x0.25 (x.xx0.01) x.xx0.13 ( x.xxx0.005) ? pin diameter 1.0 0.05 (0.040.002) physical characteristics case size : 50.8x25.4x12.0mm (2.0x1.0x0.47 inches) case material : non-conductive black plastic (flammability to ul 94v-0 rated) pin material : copper alloy with gold plate over nickel subplate weight : 24.5g 10.16 25.4 [1.00] [0.40] 10.16 [0.40] 2.54 [0.10] 5.08 [0.20] bottom view 45.72 [1.80] 50.8 [2.00] 1.00 [ 0.04 ] 5 4 12 3 5.08 [0.20] 12.0 [0.47] t otal power in total power international, inc toll free: 877-646-0900 www.total-power.com totatotal power international, inc.
mkw10m series dc/dc converter 10w, reinforced insulation, medical safety test setup input reflected-ripple current test setup input reflected-ripple current is measured with a inductor lin (4.7h) and cin (220f, esr < 1.0g at 100 khz) to simulate source impedance. capacitor cin, offsets possible battery impedance. current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500 khz. +out -out +vin -vin dc / dc converter load battery + lin + cin to oscilloscope current probe peak-to-peak output noise measurement test use a cout 0.47f ceramic capacitor. scope measurement should be made by using a bnc socket, measurement bandwidth is 0-20 mhz. position the load between 50 mm and 75 mm from the dc/dc converter. +out -out +vin -vin single output dc / dc converter resistive load scope copper strip cout copper strip +out -out +vin -vin dual output dc / dc converter resistive load scope copper strip cout com. scope cout copper strip copper strip technical notes input source impedance the power module should be connected to a low ac-impedance input source. highly inductive source impedances can affect the stability of the power module. in applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor on the input to insure startup. by using a good quality low equivalent series resistance (esr < 1.0g at 100 khz) capacitor of a 10f for the 12v input devices and a 4.7f for the 24v input devices and a 2.2f for the 48v devices, capacitor mounted close to the power module helps ensure stability of the unit. + +out -out +vin -vin dc / dc converter load dc power source + - cin output ripple reduction a good quality low esr capacitor placed as close as practicable across the load will give the best ripple and noise performance. to reduce output ripple, it is recommended to use 3.3f capacitors at the output. +out -out +vin -vin load dc power source + - cout single output dc / dc converter +out -out +vin -vin load dc power source + - cout com. dual output dc / dc converter load cout maximum capacitive load the mkw10m series has limitation of maximum connected capacitance on the output. the power module may operate in current limiting mode during start-up, affecting the ramp-up and the startup time. connect capacitors at the point of load for best performance. the maximum capacitance can be found in the data sheet. thermal considerations many conditions affect the thermal performance of the power module, such as orientation, airflow over the module and board spacing. to avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 95 . the derating curves are determined from measurements obtained in a test setup. dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in t otal power in total power international, inc toll free: 877-646-0900 www.total-power.com totatotal power international, inc.
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