mkw1000 series dc/dc converter 10w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/09 rev:1 page 1 of 4 ? features ? 2?x 1?x 0.4? metal package ? wide 2:1 input range ? operating temp. range ?40c to +85c ? short circuit protection ? i/o-isolation 1500 vdc ? input filter to meet en55022,class a ? 3 years product warranty product overview the minmax mkw1000 series is a range of isolated 10w dc/dc converter modules feat uring fully regulated output voltages and wide 2:1 input voltage ranges.the product comes in a 2?x 1?x 0.4? metal package with in dustry standard pinout. an excellent efficiency allows an opera ting temperature range of ?40 to +85c (with derating). typical applications for these converters are in battery ope rated equipment and instrumentatio n, distributed power systems, dat a communication and general industrial electronics. 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 % mkw1021 3.3 2400 120 917 72 mkw1022 5 2000 100 1082 77 mkw1023 12 830 42 1038 80 mkw1024 15 670 34 1047 80 mkw1025 24 416 21 1027 2200 81 mkw1026 5 1000 50 1068 78 mkw1027 12 416 21 1027 81 mkw1028 12 (9 ~ 18) 15 333 17 1041 30 50 470# 80 MKW1031 3.3 2400 120 434 76 mkw1032 5 2000 100 534 78 mkw1033 12 830 42 506 82 mkw1034 15 670 34 511 82 mkw1035 24 416 21 501 2200 83 mkw1036 5 1000 50 521 80 mkw1037 12 416 21 507 82 mkw1038 24 (18 ~ 36) 15 333 17 507 20 25 470# 82 mkw1041 3.3 2400 120 217 76 mkw1042 5 2000 100 260 80 mkw1043 12 830 42 253 82 mkw1044 15 670 34 252 83 mkw1045 24 416 21 251 2200 83 mkw1046 5 1000 50 257 81 mkw1047 12 416 21 251 83 mkw1048 48 (36 ~ 75) 15 333 17 251 10 12 470# 83 # for each output
mkw1000 series dc/dc converter 10w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/09 rev:1 page 2 of 4 ? 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 8 8.5 9 24v input models 15 17 18 start-up voltage 48v input models 30 33 36 12v input models 7 8 8.5 24v input models 13 15 17 under voltage shutdown 48v input models 25 29 34 vdc reverse polarity input current --- --- 2 a short circuit input power --- 3500 4500 mw internal power dissipation --- --- 5000 mw conducted emi all models compliance to en 55022,class a and fcc part 15,class a 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. --- 0.1 0.3 % load regulation io=10% to 100% --- 0.1 0.5 % ripple & noise (20mhz) --- 50 75 mv p-p ripple & noise (20mhz) over line, load & temp. --- --- 100 mv p-p ripple & noise (20mhz) --- --- 15 mv rms transient recovery time --- 150 300 us transient response deviation 25% load step change --- 2 4 % temperature coefficient --- 0.01 0.02 %/ over load protection foldback 120 tbd --- % short circuit prot ection 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 --- --- m ? i/o isolation capacitance 100khz, 1v --- 150 470 pf switching frequency 260 300 340 khz mtbf (calculated) mil-hdbk-217f@25 , ground benign 700,000 --- --- hours safety approvals ul/cul 60950-1 recogni tion(ul certificate), iec/en 60950-1 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 temperature range (wit h derating) ambient -40 +85 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
mkw1000 series dc/dc converter 10w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/09 rev:1 page 3 of 4 ? power derating curve ~ ] ambient temperature output power (%) 0 20 40 60 80 100 -40 0 20 60 100 110 80 40 natural convection 100lfm 200lfm 400lfm 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 50% to 100% 3 ripple & noise measurement bandwidth is 0-20mhz. 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 that ?natural convection? is about 20lfm but is not equal to still air (0 lfm). 8 specifications 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 nc: no connection ? 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 : 50.8x25.4x10.2mm (2.0x1.0x0.4 inches) case material : metal with non-conductive baseplate weight : 32g bottom view 10.16 2.54 [0.10] 20.32 [0.80] 5.08 15.2 [0.60] 6.0 10.2 [0.24] [0.40] 50.8 [2.00] [0.40] 10.16 [0.40] 7.62 [0.30] [0.20] 25.4 [1.00] 1.00 [ 0.04] 1 2 3 45
mkw1000 series dc/dc converter 10w 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 2012/01/09 rev:1 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 im pedance. current ripple is measured at the input terminals of t he 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 0.47uf 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 ov er long lines and output loading is high, it may be necessary to use a capacitor at t he 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 15uf for the 12v input devices and a 4.7uf for the 24v and 48v 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 practicable across the load will give the best ripple and noise performance . to reduce output ripple, it is recommended to use 3.9uf 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 mkw1000 series has limitation of maximum connected capacitanc e at the output. the power module may be operated in current l imiting mode during start-up, affecting the ramp-up and the startup time. for optimum perform ance we recommend 470uf maximum capacitive load for dual outputs and 2200uf capacitive load for single outputs. the maximum capacitance 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 90 . the derating curves are det ermined from measurements obt ained in a test setup. dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in
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