mdhu100 series dc/dc converter 2w, reinforced insulation, medical safety e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/02/14 rev:8 page 1 of 4 features ? ultra-compact dip-16 package ? reinforced insulation rated for 300vac working voltage ? i/o-isolation 4000vacrms ? industrial & medical safety approval ? operating temp. range ?25c to +80c ? low leakage current ? 3 years product warranty product overview the minmax mdhu100 series is a new range of 2w dc/dc-converter modules providing a very high i/o-isolation voltage of 4000 vac. the product comes in a small smd-package. there are 15 models available with 5v, 12v or 24vdc input and single-or dual-output voltages. the mdhu100 dc/dc converters offer an economical solution for many applications in instrumentati on, industrial controls, medica l equipment and everywhere where a certified su pplementary- or reinforced insulation system is requ ired to comply with requested safety standar ds. model selection guide output current input current efficiency (typ.) input voltage (range) output voltage max. min. @max. load @no load load regulation max. capacitive load @max. load model number vdc vdc ma ma ma(typ.) ma(typ.) % (max.) uf % mdhu102 5 400 8 606 12 66 mdhu104 12 165 3 600 10 66 mdhu105 15 133 2.5 605 10 330 66 mdhu108 12 83 1.5 553 10 72 mdhu109 5 (4.5 ~ 5.5) 15 66 1 542 60 10 100# 73 mdhu112 5 400 8 253 12 66 mdhu114 12 165 3 250 10 66 mdhu115 15 133 2.5 252 10 330 66 mdhu118 12 83 1.5 224 10 74 mdhu119 12 (10.8 ~ 13.2) 15 66 1 220 30 10 100# 75 mdhu122 5 400 8 126 12 66 mdhu124 12 165 3 125 10 66 mdhu125 15 133 2.5 126 10 330 66 mdhu128 12 83 1.5 112 10 74 mdhu129 24 (21.6 ~ 26.4) 15 66 1 110 15 10 100# 75 # for each output input specifications parameter model min. typ. max. unit 5v input models 4.5 5 5.5 12v input models 10.8 12 13.2 input voltage range 24v input models 21.6 24 26.4 5v input models -0.7 --- 9 12v input models -0.7 --- 18 input surge voltage (1 sec. max.) 24v input models -0.7 --- 30 vdc reverse polarity input current --- --- 0.3 a input filter internal capacitor internal power dissipation all models --- --- 650 mw
mdhu100 series dc/dc converter 2w, reinforced insulation, medical safety e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/02/14 rev:8 page 2 of 4 output specifications parameter conditions min. typ. max. unit output voltage accuracy --- 2.0 4.0 % output voltage balance dual out put, balanced loads --- 0.1 1.0 % line regulation vin=min. to max. --- 1.2 1.5 % load regulation io=20% to 100% see model selection guide ripple & noise (20mhz) --- 100 150 mv p-p ripple & noise (20mhz) over line, load & temp. --- --- 200 mv p-p ripple & noise (20mhz) --- --- 15 mv rms temperature coefficient --- 0.01 0.02 %/ short circuit protection 0.5 second max. 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 --- 15 20 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 50 80 100 khz mtbf (calculated) mil-hdbk-217f@25 , ground benign 2,000,000 --- --- hours input fuse 5v input models 12v input models 24v input models 1000ma slow-blow type 500ma slow-blow type 200ma slow-blow type environmental specifications parameter conditions min. max. unit operating temperature range (wit h derating) ambient -25 +80 case temperature --- +90 storage temperature range -50 +125 humidity (non condensing) --- 95 % rel. h cooling free-air convection lead temperature (1.5mm from case for 10sec.) --- 260 power derating curve ~ ] ambient temperature 0 20 40 60 80 100 -25 0 20 60 100 110 80 40 400lfm 200lfm 100lfm natural convection
mdhu100 series dc/dc converter 2w, reinforced insulation, medical safety e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/02/14 rev:8 page 3 of 4 notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage and ra ted output current unless otherwise noted. 2 ripple & noise measurement bandwidth is 0-20mhz. 3 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. 4 all dc/dc converters should be externally fused at the front end for protection. 5 other input and output voltage may be av ailable, please contact factory. 6 that ?natural convection? is about 20lfm but is not equal to still air (0 lfm). 7 specifications subject to change without notice. package specifications mechanical dimensions pin connections pin single output dual output 1 -vin -vin 7 nc nc 8 nc common 9 +vout +vout 10 -vout -vout 16 +vin +vin nc: no connection ? all dimensions in mm (inches) ? tolerance: x.x0.25 (x.xx0.01) x.xx0.13 ( x.xxx0.005) ? pin diameter ? 0.5 0.05 (0.020.002) physical characteristics case size : 23.8x13.4x8.6mm (0.94x0.53x0.34 inches) case material : non-conductive black plas tic (flammability to ul 94v-0 rated) weight : 5.1g 8.6 [0.34] 0.5 [0.02] 10.16 [0.40] 13.4 [0.53] 178 16 10 9 0.50 [0.02] 1.62 [0.06] bottom view 23.8 [0.94] 15.24 [0.60] 2.54 [0.10] 3.0 [0.12] 3.8 [0.15]
mdhu100 series dc/dc converter 2w, 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 2012/02/14 rev:8 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 the module, m easurement 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 0.47uf 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 maximum capacitive load the mdhu100 series has limitation of maximum connected capacitanc e at the output. the power module may be operated in current limiting mode during start-up, affecting the ramp-up and the startup time. for optimum per formance we recommend 100uf maximum capacitive load for dual output s and 330uf capacitive load for single outputs. the maximum capacitance can be found in the data sheet. 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 may be necessary to use a capacitor at the input to ensure startup. capacitor mounted close to the power module helps ensure stabilit y of the unit, it is recommended to use a good quality low equ ivalent series resistance (esr < 1.0 ? at 100 khz) capacitor of a 2.2uf for the 5v input devices, a 1.0uf for the 12v input devices and a 0.47uf for the 24v input de vices. + +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 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 90 . 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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