mihw2000 series dc/dc converter 3w, reinforced insulation, medical safety e-mail:sales@minmax.com.tw tel:886-6-2923150 2011/09/22 rev:4 page 1 of 4 ? features ? reinforced insulation rated for 300vac working voltage ? i/o-isolation voltage 4000vacrms ? industrial & medical safety approval ? ultra-wide input voltage ranges: 9-40vdc, 18-80vdc and 36-160vdc ? fully regulated output voltage ? low leakage current ? operating temp. range ?40c to +85 c ? input filter meets en 55022, class a ? short circuit protection ? 3 years product warranty product overview the minmax mihw2000 series is a range of high performance dc/dc converter modules wi th a reinforced insulation system .the i/o- isolation voltage is specified for 4000vacrms.the product comes in a small dip-24 packa ge. all models features an ultra-wide input voltage range inc luding 36-160vdc for railroad applications. full smd design with exclusive use of ceram ic capacitors guarantees a high reliability with calculated mtbf of >1 mio. hours. these high isolation dc/dc convert ers are the perfect solution solution for many demanding applications in industrial and railr oad systems, in medical instrumentation, everywhere where a certified supplementary or reinforced insulation system is required to comply with specific industrial or medical safety standards . model selection guide output current input current efficiency (typ.) input voltage (range) output voltage max. min. @max. load @no load reflected ripple current max. capacitive load @max. load model number vdc vdc ma ma ma(typ.) ma(typ.) ma (typ.) uf % mihw2022 5 600 90 160 1000 78 mihw2023 12 250 37.5 151 470 83 mihw2026 12 125 18.8 151 220# 83 mihw2027 24 (9 ~ 40) 15 100 15 151 20 15 220# 83 mihw2032 5 600 90 80 1000 78 MIHW2033 12 250 37.5 75 470 83 mihw2036 12 125 18.8 75 220# 83 mihw2037 48 (18 ~ 80) 15 100 15 75 10 8 220# 83 mihw2042 5 600 90 35 1000 78 mihw2043 12 250 37.5 33 470 83 mihw2046 12 125 18.8 33 220# 83 mihw2047 110 (36 ~ 160) 15 100 15 33 5 3 220# 83 # for each output input specifications parameter model min. typ. max. unit 24v input models -0.7 --- 50 48v input models -0.7 --- 100 input surge voltage (1 sec. max.) 110v input models -0.7 --- 180 24v input models 8 8.5 9 48v input models 13 15 17 start-up voltage 110v input models 26 30 34 24v input models --- --- 8.5 48v input models --- --- 16 under voltage shutdown 110v input models --- --- 32 vdc reverse polarity input current --- --- 0.3 a short circuit input power --- --- 2000 mw internal power dissipation --- --- 2500 mw conducted emi all models compliance to en 55022,class a and fcc part 15,class a
mihw2000 series dc/dc converter 3w, reinforced insulation, medical safety e-mail:sales@minmax.com.tw tel:886-6-2923150 2011/09/22 rev:4 page 2 of 4 ? output specifications parameter conditions min. typ. max. unit output voltage accuracy --- 0.5 1.0 % output voltage balance dual out put, balanced loads --- 0.5 2.0 % line regulation vin=min. to max. --- 0.3 0.5 % load regulation io=25% to 100% --- 0.5 1.0 % 5v output models --- 75 100 mv p-p ripple & noise (20mhz) other output models --- 100 150 mv p-p ripple & noise (20mhz) over line, load & temp. --- --- 180 mv p-p ripple & noise (20mhz) --- --- 15 mv rms transient recovery time --- 150 500 us transient response deviation 25% load step change --- 3 6 % temperature coefficient --- 0.02 0.05 %/ over load protection foldback 120 150 --- % short circuit prot ection continuous isolation, safety standards parameter conditions min. typ. max. unit i/o isolation voltage (rated) 60 seconds 4000 --- --- vacrms i/o isolation test voltage flash tested for 1 second 6000 --- --- v pk leakage current 240vac, 60hz --- --- 2 ua i/o isolation resistance 500 vdc 10 --- --- g ? i/o isolation capacitance 100khz, 1v --- 7 13 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 iec60950-1 cb report, cul/ul 60950-1 certificate approvals ul60601-1 ul certificate general specifications parameter conditions min. typ. max. unit switching frequency --- 150 --- khz mtbf(calculated) mil-hdbk-217f@25 , ground benign 1,000,000 --- --- hours input fuse 24v input models 48v input models 110v input models 1000ma slow-blow type 500ma slow-blow type 300ma slow-blow type environmental specifications parameter conditions min. max. unit operating temperature range (wit h derating) ambient -40 +85 case temperature --- +95 storage temperature range -50 +125 humidity (non condensing) --- 95 % rel. h cooling free-air convection lead temperature (1.5mm from case for 10sec.) --- 260
mihw2000 series dc/dc converter 3w, reinforced insulation, medical safety e-mail:sales@minmax.com.tw tel:886-6-2923150 2011/09/22 rev:4 page 3 of 4 ? power derating curve ~ ] ambient temperature 0 20 40 60 80 100 -40 0 20 60 100 110 80 40 400lfm 200lfm 100lfm natural convection notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage and ra ted 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 0-20 mhz. 4 these power converters require a minimu m output loading to maintain specified re gulation, operation u nder no-load conditions will not damage these modules; however, they may not meet all specifications listed. 5 all dc/dc converters should be externally fused at the front end for protection. 6 other input and output voltage may be av ailable, please contact factory. 7 specifications subject to change without notice. package specifications mechanical dimensions pin connections pin single output dual output 1 +vin +vin 11 no pin common 12 -vout no pin 13 +vout -vout 15 no pin +vout 23 -vin -vin 24 -vin -vin ? all dimensions in mm (inches) ? tolerance: x.x0.25 (x.xx0.01) x.xx0.13 ( x.xxx0.005) ? pin diameter ? 0.6 0.05 (0.0240.002) physical characteristics case size : 31.8x20.3x10.5mm (1.25x0.8x0.41 inches) case material : non-conductive black plas tic (flammability to ul 94v-0 rated) weight : 16.2g bottom view 11 13 15 24 20.32 [0.80] 15.22 [0.60] 20.3 [0.80] 10.5 [0.41] 5.08 [0.20] 3.9 [0.15] 23 12 0.2 [0.008] 2.0 [0.08] 1 2.54 [0.10] 0.60 [0.024] 2.54 [0.10] 31.8 [1.25]
mihw2000 series dc/dc converter 3w, reinforced insulation, medical safety 18, sin sin road, an-ping industr ial district, tainan 702, taiwan tel: 886-6-2923150 fax: 886-6-2923149 e-mail: sales@minmax.com.tw 2011/09/22 rev:4 page 4 of 4 ? minmax technology co., ltd. test configurations input reflected-ripple current test setup input reflected-ripple current is measured with a inductor lin (4 .7uh) and cin (220uf, esr < 1.0 ? at 100 khz) to simulate source impedance. capacitor cin, offsets possible battery impedance. current ripple is measured at the input terminals of t he module, measurement bandwidth is 0-500 kh z. +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 0.47uf 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 design & feature considerations overcurrent protection to provide protection in a fault (output overload) condition, the unit is equipped with internal cu rrent limiting circuitry and can endure current limiting for an unlimited duration. at the point of current-limit in ception, the unit shifts from voltage contro l to current control. the unit operates n ormally once the output current is brought back into its specified range. input source impedance the power module should be connected to a lo w ac-impedance input source. highly inductive source impedances can affect the stab ility of the power module. in applications where power is supplied over long lines and output loading is high, it ma y be necessary to use a capacitor on the input to insure startup. by using a good quality low equivalent series resistance (esr < 1.0 ? at 100 khz) capacitor of a 4.7uf for the 24v input devices, a 2.2uf for the 48v devices and a 1uf for the 110v devices, capacitor mounted close to the power module help s 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 3.3uf 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 mihw2000 series has limitation of maximum connected capacit ance on the output. the power module may operate in current lim iting mode during start-up, affecting the ramp-up and the startup time. connect capacitors at the point of load for best performance. the maximum capacit ance can be found in the data sheet. thermal considerations many conditions affect the thermal perform ance of the power module, such as orient ation, airflow over the module and board spac ing. 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
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