mjwi10 series dc/dc converter 10w , high power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/07/16 rev:15 page 1 of 5 ? features ? package size 1.0?x1.0?x0.4? ? ultra-wide 4:1 input range ? high efficiency up to 87% ? operating temp. range -40c to +80c ? i/o-isolation voltage 1500vdc ? remote on/off control ? input filter complies to en55022,class a & fcc,level a ? shielded metal case with isolated baseplate ? csa/ul/iec/en 60950-1 safety approval ? 3 years product warranty product overview the minmax mjwi10 series are cost optimiz ed dc-dc converter modules offering 10w output power in a 1?x1?x0.4? shielded metal pa ckage with industry standard pinout. all models provide ultra-wide 4:1 input voltage range and tight output voltage regulation. state-of-the-art circuit topology provides a high efficiency up to 87% which allows an operating temperature range of -40c to +80c. further features include remote on/off, overload pr otection and conducted emi comp liance to en55022, class a. typical applications for these converters are battery operated equipment, instrumentat ion, distributed power architectures in c ommunication and industrial electronics and other space 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 % mjwi10-24s033 3.3 2200 352 560 86 mjwi10-24s05 5 2000 496 560 84 mjwi10-24s051 5.1 2000 506 560 84 mjwi10-24s12 12 830 483 150 86 mjwi10-24s15 15 660 474 150 87 mjwi10-24s24 24 410 477 68 86 MJWI10-24D05 5 1000 496 220# 84 mjwi10-24d12 12 410 477 100# 86 mjwi10-24d15 24 (9 ~ 36) 15 330 474 30 100# 87 mjwi10-48s033 3.3 2200 180 560 85 mjwi10-48s05 5 2000 248 560 84 mjwi10-48s051 5.1 2000 253 560 84 mjwi10-48s12 12 830 241 150 86 mjwi10-48s15 15 660 237 150 87 mjwi10-48s24 24 410 238 68 86 mjwi10-48d05 5 1000 248 220# 84 mjwi10-48d12 12 410 238 100# 86 mjwi10-48d15 48 (18 ~ 75) 15 330 237 20 100# 87 # for each output 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 --- --- 9 start-up threshold voltage 48v input models --- --- 18 24v input models --- --- 8.5 under voltage shutdown 48v input models --- --- 17 vdc reverse polarity input current --- --- 1.5 a short circuit input power --- 2500 --- mw internal power dissipation --- --- 5000 mw conducted emi all models compliance to en 55022,class a and fcc part 15,class a
mjwi10 series dc/dc converter 10w , high power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/07/16 rev:15 page 2 of 5 ? output specifications parameter conditions min. typ. max. unit output voltage setting accuracy at 50% load and nominal vin --- --- 2.0 %vnom. output voltage balance dual out put, balanced loads --- 1.0 2.0 % line regulation vin=min. to max. --- 0.3 1.0 % load regulation io=0% to 100% --- 0.5 --- % min.load no minimum load requirement ripple & noise (20mhz) --- 60 100 mv p-p transient recovery time --- 300 600 sec transient response deviation 25% load step change --- 3 6 % temperature coefficient --- 0.01 0.02 %/ over load protection foldback 110 150 --- % 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 --- --- 1500 pf switching frequency --- 450 --- khz mtbf(calculated) mil-hdbk-217f@25 , ground benign 350,000 --- --- 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 2000ma slow-blow type 1000ma slow-blow type remote on/off control parameter conditions min. typ. max. unit converter on 2.5v ~ 50v or open circuit converter off 0~1.0v or short circuit (pin 2 and pin 6) control input current (on) vctrl = 5v --- --- 500 a control input current (off) vctrl = 0v --- --- -500 a control common referenced to negative input standby input current --- --- 10 ma environmental specifications parameter conditions min. max. unit operating ambient temperature range (see power derating curve) natural convection -40 +80 case temperature --- +100 storage temperature range -50 +125 humidity (non condensing) --- 95 % rel. h cooling free-air convection rfi six-sided shielded, metal case lead temperature (1.5mm from case for 10sec.) --- 260
mjwi10 series dc/dc converter 10w , high power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/07/16 rev:15 page 3 of 5 ? power derating curve output power (%) output power (%) derating curve without heatsink derating curve with heatsink 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 0-20 mhz. 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 to order the converter with heatsink, please add a suffix -hs (e.g. mjwi10-24s05-hs) to order code. 7 that ?natural convection? is about 20lfm but is not equal to still air (0 lfm) 8 specifications are 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 6 remote on/off remote on/off ? 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 : 25.4x25.4x10.16mm (1.0x1.0x0.4 inches) case material : aluminium alloy, black anodized coating base material : fr4 pcb (flammability to ul 94v-0 rated) pin material : copper alloy with gold plate over nickel subplate weight : 15g 5.08 [0.20] 20.3 [0.80] 25.4 [1.00] 10.16 [0.40] 10.16 [0.40] 25.4 [1.00] 6.0 [0.24] 7.62 [0.30] 1 26 3 4 5 1.00 [0.04] 2.54 [0.10] 2.54 [0.10] bottom view 10.16 0.5 [0.40 0.02 ]
mjwi10 series dc/dc converter 10w , high power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/07/16 rev:15 page 4 of 5 ? heatsink (option ?hs) mechanical dimensions heatsink material: aluminum finish: anodic treatment (black) weight: 2g ? the advantages of adding a heatsink are: 1.to help heat di ssipation and increas e the stability and reliability of dc/dc converters at high operating temperature atmosphere. 2.to upgrade the operating temperature of dc/dc converters, please refer to derating curve. 17.46 [0.69] max. 16.3 [0.64] 31.0 [1.22] max. heat-sink thermal pad clamp converter
mjwi10 series dc/dc converter 10w , high power density 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 2012/07/16 rev:15 page 5 of 5 ? minmax technology co., ltd. 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 impedance. current ripple is measured at the input terminals of t he module, measurement bandwidth is 0-500 kh z. +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 0.47 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 open collector or equival ent. a logic low is 0v to 1v. a logic hi gh is 2.5v to 50v. the maximum sink cu rrent at on/off terminal during a logic low is -500 a. the maximum allowable leakage current of the switch at on/off terminal (2.5 to 50v) is 500 a. 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 6.8 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 mjwi10 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. 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 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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