mkw5000 series dc/dc converter 30w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/08/08 rev:4 page 1 of 5 ? features ? 2?x 1?x 0.4? metal package ? wide 2:1 input range ? very high efficiency up to 88% ? adjustable output voltage ? operating temp. range ?40c to +85c ? short circuit protection ? i/o-isolation 1500vdc ? remote on/off (option) ? heatsink (option) ? cost optimized design ? csa/ul/iec/en 60950-1 safety approval ? 3 years product warranty product overview the minmax mkw5000 series is a range of isolated 30w 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 industry standard pinout. an excellent efficiency allows an oper ating temperature range of ?40c to +85c. these dc/dc converters offer an economical solution for many co st critical applications in battery-powered equipment and instru mentation. 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.) f % mkw5030 2.5 6000 0 744 84 MKW5031 3.3 6000 0 959 86 mkw5032 5 5000 0 1185 88 mkw5039 5.1 5000 0 1207 6800 88 mkw5033 12 2500 166 1420 88 mkw5034 24 (18 ~ 36) 15 2000 133 1420 70 100 680 88 mkw5040 2.5 6000 0 372 84 mkw5041 3.3 6000 0 480 86 mkw5042 5 5000 0 604 88 mkw5049 5.1 5000 0 604 6800 88 mkw5043 12 2500 166 710 88 mkw5044 48 (36 ~ 75) 15 2000 133 710 50 50 680 88 input specifications parameter model min. typ. max. unit 24v input models -0.7 --- 50 input surge voltage (1 sec. max.) 48v input models -0.7 --- 100 24v input models 17 17.8 18 start-up threshold voltage 48v input models 34 35 36 24v input models 16 16.5 17 under voltage shutdown 48v input models 32 33 34 vdc reverse polarity input current --- --- 2 a short circuit input power --- --- 4500 mw internal power dissipation --- --- 4500 mw conducted emi (with suffix a only) all models compliance to en 55022,class a and fcc part 15,class a
mkw5000 series dc/dc converter 30w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/08/08 rev:4 page 2 of 5 ? output specifications parameter conditions min. typ. max. unit output voltage setting accuracy at 50% load and nominal vin --- --- 1.0 %vnom. line regulation vin=min. to max. --- 0.1 0.3 % load regulation (2.5/3.3/5/5.1vout ) io=0% to 100% --- 0.5 1.0 % load regulation (12/15vout) io=10% to 100% --- 0.5 1.0 % ripple & noise (20mhz) --- 75 100 mv p-p transient recovery time --- 200 500 sec transient response deviation 25% load step change --- 2 4 % temperature coefficient --- 0.01 0.02 %/ over load protection foldback 110 155 --- % 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 --- 1200 1500 pf switching frequency 280 350 400 khz mtbf (calculated) mil-hdbk-217f@25 , ground benign 600,000 --- --- hours safety approvals ul/cul 60950-1 recognition(cs a certificate), iec/en 60950-1(cb-scheme) input fuse 24v input models 48v input models 3000ma slow-blow type 1500ma slow-blow type remote on/off control parameter conditions min. typ. max. unit converter on 2.5 to 100vdc or open circuit converter off -1v ~ 1v or short circuit control input current (on) vctrl = 5.0v --- --- 5 a control input current (off) vctrl = 0v --- --- -100 a control common referenced to negative input standby input current nominal vin --- 2 5 ma environmental specifications parameter conditions min. max. unit operating ambient temperat ure range (see power derating curve) natural convection -40 +85 case temperature --- +105 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 -40 30 40 60 80 90 70 50 100 110 natural convection 20lfm 100lfm 200lfm 400lfm c derating curve without heatsink derating curve with heatsink
mkw5000 series dc/dc converter 30w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/08/08 rev:4 page 3 of 5 ? 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 0-20mhz. 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 to order the converter with re mote on/off function, please add suffix rc (e.g. mkw5030-rc) to order code. 8 to order the converter wi th en55022 class a , please add suffix a (e.g. mkw5030a) to order code. 9 to order the converter with heatsink, please add suffix h (e.g. mkw5030h) to order code. 10 that ?natural convection? is about 20lfm but is not equal to still air (0 lfm). 11 specifications are subject to change without notice. package specifications mechanical dimensions pin connections pin function 1 +vin 2 -vin 3 remote on/off 4 +vout 5 -vout 6 trim ? 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 (2.0x1.0x0.40 inches) case material : aluminum anodizing treatment in black base material : fr4 pcb (flammability to ul 94v-0 rated) pin material : copper alloy with gold plate over nickel subplate weight : 32g heatsink (option ?h) physical characteristics heatsink material : aluminum finish : black anodized coating weight : 9g ? the advantages of adding a heatsink are: 1. to help heat dissipati on and increase the stability and reliability of dc/dc converters at high operating temperature atmosphere. 2. to upgrade the operati ng temperature of dc/dc converters, please refer to derating curve. 10.16 25.4 [1.00] [0.40] 10.16 [0.40] 2.54 [0.10] 10.16 [0.40] 5.08 [0.20] bottom view 45.72 [1.80] 50.8 [2.00] 10.2 [0.40] 5.1 [0.20] 1.00 [ 0.04 ] 6 54 1 2 3 3.6 [0.14] 1.1 [0.04] 31.0[1.22]max 31.1[1.22] 17.2[0.68]max converter clamp thermal pad heat-sink
mkw5000 series dc/dc converter 30w e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/08/08 rev:4 page 4 of 5 ? test setup input reflected-ripple current test setup input reflected-ripple current is measured with a inductor lin (4.7 h) and cin (220 f, 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 the module, measuremen t 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 1.0 f ceramic capacitor. scope measurement should be made by using a bnc socket, measurement bandwidth is 0-20 mhz. position the l oad 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 technical notes remote on/off positive logic remote on/off turns the m odule on during a logic high voltage on the remote on/off pin, and off during a logic l ow. to turn the power module on and off, the user must supply a switch to control the voltage between the on/off terminal and the -vin terminal. the switch can be an op en collector or equivalent. a logic low is -1v to 1.0v. a logic high is 2.5v to 100v. the ma ximum sink current at the on/off terminal (pin 3) during a logi c low is -100 a. the maximum allowable leakage current of a switch connected to t he on/off terminal (pin 3) at logic high (2.5v to 100v) is 5 a. output voltage trim output voltage trim allows the user to increase or decrease the output voltage set point of a module. the output voltage can be adjusted by placing an external resistor (radj) between the tr im and +vout or -vout terminals. by adj usting radj, the output voltage can be change by 10% of the nominal output voltage. +out -out +vin -vin trim up enable trim trim down 10k trim up/down a 10k, 1 or 10 turn trimpot is usually specified for continuous trimming. trim pin may be safely left floating if it is not use d. connecting the external resistor (radj-up) between the trim and -vout pins increases the output voltage to set the point as def ined in the following equation: () ( ) vout - vadj vadj 30 - vout 33 = up - radj connecting the external resistor (radj-down) between the trim and +vout pins dec reases the output voltage set point as defined in the following equation: ( ) () vadj - vout vout 33 - vadj 667 . 36 = down - radj vout: nominal output voltage vadj: adjusted output voltage units: vdc/ k ? 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. overvoltage protection the output overvoltage clamp consists of control circuitry, wh ich is independent of the primary r egulation loop, that monitors the voltage on the output terminals. the control loop of the clamp has a higher voltage set point t han the primary loop. this provides a redundant voltage control that reduces the risk of output overvoltage. the ovp level can be found in the output data .
mkw5000 series dc/dc converter 30w 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 2012/08/08 rev:4 page 5 of 5 ? minmax technology co., ltd. 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 33 f for the 12v input devices and a 10 f 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 4.7 f 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 mkw5000 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 performance we recommend 680 f maximum capacitive load for 12v & 15v outputs and 6800 f capacitive load for the other 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 105 . 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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