miar03 series dc/dc converter 3w, dip-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/30 p5 page 1 of 4 ? features ? dip-24 plastic package ? cost optimized design ? fully regulated outputs ? high efficiency ? operating temperature up to +75c at full load ? short circuit protection ? pin compatible with s200r series ? input filter meets en 55022,class a and fcc, level a ? 3 years product warranty product overview the miar03 series is a range of isolated 3w dc/dc convert er modules featuring fully regulated output voltages a nd narrow input voltage ranges.excellent efficiency allow an operating temperature range of -40 c to +85c (with derating).the product comes in a dip -24 plastic package with alternative pinout which makes these converters also a perfect replacement fo r the popular s200r series.these dc/dc converters offer a very economical solution for many cost critical applications. model selection guide output current input current efficiency (typ.) input voltage (range) output voltage max. @max. load @no load max. capacitive load @max. load model number vdc vdc ma ma(typ.) ma(typ.) f % miar03-05s05 5 600 857 470 70 miar03-05s12 12 250 769 100 78 miar03-05s15 15 200 769 100 78 MIAR03-05D12 12 125 769 100# 78 miar03-05d15 5 10% 15 100 769 90 100# 78 miar03-12s05 5 600 338 470 74 miar03-12s12 12 250 316 100 79 miar03-12s15 15 200 316 100 79 miar03-12d12 12 125 316 100# 79 miar03-12d15 12 10% 15 100 316 45 100# 79 miar03-24s05 5 600 167 470 75 miar03-24s12 12 250 158 100 79 miar03-24s15 15 200 158 100 79 miar03-24d12 12 125 158 100# 79 miar03-24d15 24 10% 15 100 156 22 100# 80 # 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 --- 7.5 12v input models -0.7 --- 15 input surge voltage (1 sec. max.) 24v input models -0.7 --- 30 vdc 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
miar03 series dc/dc converter 3w, dip-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/30 p5 page 2 of 4 ? output specifications parameter conditions min. typ. max. unit output voltage setting accuracy at 50% load and nominal vin --- --- 4.0 %vnom. output voltage balance dual output, balanced loads --- 1.0 3.0 % line regulation vin=min. to max. --- 0.2 0.5 % load regulation io=10% to 100% --- 0.2 0.5 % min.load no minimum load requirement ripple & noise (20mhz) --- 30 60 mv p-p short circuit protection continuous general specifications parameter conditions min. typ. max. unit i/o isolation voltage (rated) 60 seconds 1500 --- --- vdc i/o isolation resistance 500 vdc 1000 --- --- md i/o isolation capacitance 100khz, 1v --- 300 --- pf switching frequency --- 300 --- khz mtbf(calculated) mil-hdbk-217f@25 , ground benign 700,000 --- --- hours safety approvals (pending) ul/cul 60950-1 recognition(c sa certificate), iec/en 60950-1(cb-scheme) input fuse 5v input models 12v input models 24v input models 1500ma slow-blow type 700ma slow-blow type 350ma slow-blow type environmental specifications parameter conditions min. max. unit operating ambient temperature range (see power deratin g curve) natural convection -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 power derating curve output power (%)
miar03 series dc/dc converter 3w, dip-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/30 p5 page 3 of 4 ? notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage and rated output cu rrent unless otherwise noted. 2 ripple & noise measurement bandwidth is 0-20mhz. 3 all dc/dc converters should be externally fused at the f ront end for protection. 4 other input and output voltage may be available, please contact factory. 5 that natural convection is about 20lfm but is not equal t o still air (0 lfm). 6 specifications are subject to change without notice. package specifications mechanical dimensions pin connections pin single output dual output 1 +vin +vin 2 nc -vout 3 nc common 10 -vout common 11 +vout +vout 12 -vin -vin 13 -vin -vin 14 +vout +vout 15 -vout common 22 nc common 23 nc -vout 24 +vin +vin nc: no connection ? all dimensions in mm (inches) ? tolerance: x.x0.5 (x.xx0.02) x.xx0.25 ( x.xxx0.01) ? pin diameter 0.5 0.05 (0.020.002) physical characteristics case size : 31.8x20.3x10.2 mm (1.25x0.80x0.40 inches) case material : non-conductive black plastic (flammability to ul 94v-0 rated ) pin material : copper-clad steel wire weight : 12.4g bottom view 1 2 11 12 13 15 23 24 17.78 [0.70] 31.8 [1.25] 2x2.54 [2x0.10] 2.0 [0.08] 14 3 10 22 2x2.54 [2x0.10] 10.2 [0.40] 4.5 [0.18] 15.22 [0.60] 20.3 [0.80] 2.54 [0.10] 0.50 [0.02]
miar03 series dc/dc converter 3w, dip-package 18, sin sin road, an-ping industrial district, tainan 7 02, taiwan tel: 886-6-2923150 fax: 886-6-2923149 e-mail: sales@minmax.com.tw 2013/01/30 p5 page 4 of 4 minmax technology co., ltd. ? test setup peak-to-peak output noise measurement test us e a cout 0.33f ceramic capacitor. scope measurement should be made by using a bnc socket , measurement bandwidth is 0-20 mhz. position the load betw een 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 maximum capacitive load the miar03 series has limitation of maximum connected capacitan ce at the output. the power module may be operated in current limiting mode during start-up, affecting the ramp-up and the startup time. the maximum c apacitance can be found in the data sheet. input source impedance the power module should be connected to a low ac-impeda nce input source. highly inductive source impedances ca n 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 cap acitor at the input to ensure startup. capacitor mounted close to the power module helps ensu re stability of the unit, it is recommended to use a good q uality low equivalent series resistance (esr < 1.0d at 100 khz) capacitor of a 4.7f for the 5v input devices and a 2.2f for the 12v and 24v devices. + +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 pract icable across the load will give the best ripple and noise performance. to reduce output ripple, it is recommended to use 1.5f 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 performance of the pow er module, such as orientation, airflow over the module an d board spacing. to avoid exceeding the maximum temperature rating of the components inside the po wer 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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