e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/23 rev:4 page 1 of 4 ma0 3 series dc/dc converter 3w , s ip - package features ? high power density, 3w in sip-7 package ? small footprint: 19.5x 7.6mm (0.77x 0.30) ? semi-regulated output voltage ? high efficiency to 89% ? i/o-isolation 1000vdc ? operating temp. range C40c to +85c ? csa/ul/iec/en 60950-1 (approval pending) ? 3 years product warranty product overview the minmax ma03 series is a new range of isolated 3w dc /dc-converter modules in a small sip-package. there are 12 models available with 5v, 12v or 24vdc input. these products have a typical load regulati on of 5.0% to 7.0% depending on model. the ma03 dc/dc converters are a compromise between a mor e expensive fully regulated converter and a non-regulat ed converter. they offer the designer a new solution for many cost critical application s where the output voltage variation has to be kept in a certain limit under all load conditions. 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.) f % ma03-05s05 5 600 12 723 8 83 ma03-05s09 9 333 6 689 7 87 ma03-05s12 12 250 4.5 701 7 85.5 ma03-05s15 5 (4.5 ~ 5.5) 15 200 3 686 50 6 220 87.5 ma03-12s05 5 600 12 298 6 84 ma03-12s09 9 333 6 285 5 87.5 MA03-12S12 12 250 4.5 284 4.5 88 ma03-12s15 12 (10.8 ~ 13.2) 15 200 3 281 40 4 220 89 ma03-24s05 5 600 12 152 5.8 82 ma03-24s09 9 333 6 147 4.8 85 ma03-24s12 12 250 4.5 146 4.3 85.5 ma03-24s15 24 (21.6 ~ 26.4) 15 200 3 147 30 3.5 220 85 input specifications parameter model min. typ. max. unit 5v input models -0.7 --- 9 12v input models -0.7 --- 18 input surge voltage (1 sec. max.) 24v input models -0.7 --- 30 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 vdc reverse polarity input current --- --- 0.5 a internal filter type internal capacitor internal power dissipation all models --- --- 700 mw output specifications parameter conditions min. typ. max. unit line regulation for vin change of 1% --- 1.01 1.2 % load regulation io=20% to 100% see model selection guid e ripple & noise (20mhz) --- 60 100 mv p-p temperature coefficient --- 0.01 0.02 %/ short circuit protection 0.5 second max.
ma03 series dc/dc converter 3w , sip-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/23 rev:4 page 2 of 4 general specifications parameter conditions min. typ. max. unit i/o isolation voltage (rated) 60 seconds 1000 --- --- vdc i/o isolation resistance 500 vdc 1000 --- --- mb i/o isolation capacitance 100khz, 1v --- 60 120 pf switching frequency --- 60 --- khz mtbf (calculated) mil-hdbk-217f@25 , ground benign 2,000,000 --- --- hours safety approvals(pending) csa 60950-1 recognition,iec/en 60950-1(cb-scheme) input fuse 5v input models 12v input models 24v input models 2000ma slow-blow type 1000ma slow-blow type 500ma 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 --- +100 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 (%) output voltage tolerance 0% 20% 40% 60% 80% 100% output voltage(%) output load current (%) m a x . t y p . +5% +10% +15% vnom -5% -10% +20% +5% +10% +15% vnom -5% -10% +20% m i n .
ma03 series dc/dc converter 3w , sip-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/23 rev:4 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 these power converters require a minimum output loading to maintain specified regulation, operation under no-load con ditions will not damage these modules; however they may not meet all specifications listed. 4 all dc/dc converters should be externally fused at the f ront 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 t o still air (0 lfm). 7 specifications are subject to change without notice. package specifications mechanical dimensions pin connections pin function 1 +vin 2 -vin 4 -vout 5 no pin 6 +vout ? all dimensions in mm (inches) ? tolerance: x.x0.25 (x.xx0.01) x.xx0.13 ( x.xxx0.005) ? pins 0.05(0.002) physical characteristics case size : 19.5x7.6x10.2mm (0.77x0.30x0.40 inches) case material : non-conductive black plastic (flammability to ul 94v-0 rated ) pin material : alloy 42 weight : 2.2g 10.2 [0.40] 19.5 [0.77] 0.5 [0.02] 2.54 [0.10] 5.08 [0.20] 2x2.54 [2x0.10] 0.50 [0.02] 0.25 [0.01] 0.5 [0.02] 3.2 [0.13] 1 2 4 5 6 18.5 [0.73] 7.6 [0.30] 1.3 [0.05] bottom view 2.4 [0.09]
ma03 series dc/dc converter 3w , sip-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 2013/01/23 rev:4 page 4 of 4 minmax technology co., ltd. test setup peak-to-peak output noise measurement test use a cout 0.33 f 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 technical notes maximum capacitive load the ma03 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. for optimum pe rformance we recommend 220 f maximum capacitive load for devices. the maximum capacitance c an 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 ou tput loading is high, it may be necessary to use a capac itor at the input to ensure startup. capacitor mounted close to the power module helps ensu re stability of the unit, it is commended to use a good qu ality low equivalent series resistance (esr < 1.0b at 100 khz) capacitor of a 2.2 f for the 5v input devices, a 1.0 f for the 12v input devices and a 0.47 f for the 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 nois e performance. to reduce output ripple, it is recommended to use 1.0 f capacitors at the output. +out -out +vin -vin load dc power source + - cout single output dc / dc converter thermal considerations many conditions affect the thermal performance of the pow er module, such as orientation, airflow over the module a nd board spacing. to avoid exceeding the maximum temperature rating of the components inside the po wer module, the case temperature must be kept below 100 . 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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