mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 1 of 10 ? features ? highest power density ? 1" x 1" x 0.4" shielded metal package ? wide 2:1 input range ? excellent efficiency up to 90% ? operating temp. range -40c to +80c ? optional heatsink ? i/o-isolation voltage 1500vdc ? remote on/off control ? over load protection ? csa/ul/iec/en 60950-1 (approval pending) ? 3 year product warranty product overview the minmax mjw25 series is the latest range of a new generation of high performance dc -dc converter modules with very high powe r density. the product offers fully 25w in a shielded metal package with di mensions of just 1.0?x1.0?x0.4?. all models provide wide 2:1 in put range and tightly regulated output voltage.by state- of-the-art circuit topology a very high effi ciency up to 90% could be achieved allowing an op erating temperature range of -40c to +80c (with derating). these converters are qualified for demandi ng applications in battery operated equipm ent,instrumentation,data communication,indu strial and many other space critical applications. model selection guide output current input current efficiency (typ.) input voltage (range) output voltage max. @max. load @no load reflected ripple current over voltage protection max. capacitive load @max. load model number vdc vdc ma ma(typ.) ma(typ.) ma (typ.) vdc f % mjw25-12s033 3.3 6000 1900 75 3.9 10300 87 mjw25-12s05 5 5000 2340 85 6.2 6800 89 mjw25-12s12 12 2090 2350 80 15 1200 89 mjw25-12s15 15 1670 2350 80 18 750 89 mjw25-12d12 12 1040 2340 75 15 680# 89 mjw25-12d15 12 (9 ~ 18) 15 840 2360 75 80 18 380# 89 mjw25-24s033 3.3 6000 940 55 3.9 10300 88 mjw25-24s05 5 5000 1160 60 6.2 6800 90 mjw25-24s12 12 2090 1160 55 15 1200 90 mjw25-24s15 15 1670 1160 55 18 750 90 MJW25-24D12 12 1040 1170 50 15 680# 89 mjwi25-24d15 24 (18 ~ 36) 15 840 1180 50 50 18 380# 89 mjw25-48s033 3.3 6000 470 35 3.9 10300 88 mjw25-48s05 5 5000 580 40 6.2 6800 90 mjw25-48s12 12 2090 580 35 15 1200 90 mjw25-48s15 15 1670 580 35 18 750 90 mjw25-48d12 12 1040 585 40 15 680# 89 mjw25-48d15 48 (36 ~ 75) 15 840 590 40 30 18 380# 89 # for each output
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 2 of 10 ? input specifications parameter model min. typ. max. unit 12v input models -0.7 --- 25 24v input models -0.7 --- 50 input surge voltage (100ms max.) 48v input models -0.7 --- 100 12v input models --- --- 9 24v input models --- --- 18 start-up threshold voltage 48v input models --- --- 36 vdc input polarity protection none power up --- --- 30 ms start up time remote on/off nominal vin and constant resistive load --- --- 30 ms internal filter type all models lc filter (for en55022,class a or class b compliance see page 9) short circuit current hiccup mode, 0.7hz typ. output specifications parameter conditions min. typ. max. unit output voltage setting accuracy at 50% load and nominal vin --- --- 1.0 %vnom. output voltage balance dual output, balanced loads --- --- 2.0 % line regulation vin=min. to max. --- --- 0.2 % single output --- --- 0.2 % load regulation no load to full load dual output --- --- 1.0 % cross regulation (dual) asymme trical load 25% / 100% fl --- --- 5.0 % min.load no minimum load requirement ripple & noise (20mhz) 3.3v & 5v models --- 100 --- mv p-p ripple & noise (20mhz) 12v , 15v & dual models --- 150 --- mv p-p transient recovery time 25% load step change --- 250 --- sec temperature coefficient --- --- 0.02 %/ over load protection current limitation at 150% typ. of iout max., hiccup short circuit protection hi ccup automatic recovery over voltage protection for shutdown voltage see model selection guide 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 --- --- 2000 pf switching frequency --- 285 --- khz mtbf(calculated) mil-hdbk-217f@25 , ground benign 372,000 --- --- hours safety approvals(pending) ul/cul 60950-1 recognition(csa certif icate), iec/en 60950-1(cb-scheme) input fuse 12v input models 24v input models 48v input models 5000ma slow-blow type 2500ma slow-blow type 1250ma slow-blow type remote on/off control parameter conditions min. typ. max. unit converter on 3.5v ~ 12v or open circuit converter off 0v ~ 1.2v or short circuit control input current (on) vctrl = 5.0v --- --- 0.5 ma control input current (off) vctrl = 0v --- --- -0.5 ma control common referenced to negative input standby input current supply off & nominal vin --- 3 --- ma
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 3 of 10 ? output voltage trim parameter conditions min. typ. max. unit trim up / down range % of nominal output voltage 10 --- --- % environmental specifications max. parameter model min. without heatsink with heatsink unit mjw25-24s033, mjw25-48s033 57 65 mjw25-24s05, mjw25-24s12 mjw25-24s15, mjw25-48s05 mjw25-48s12, mjw25-48s15 56 64 mjw25-12s033 53 61 mjw25-12s05, mjw25-12s12,mjw25-12s15 mjw25-12d12, mjw25-12d15 MJW25-24D12, mjw25-24d15 operating ambient temperature range (natural convection, see derating) mjw25-48d12, mjw25-48d15 -40 50 59 natural convection without heatsink 17.6 --- /w natural convection with heatsink 14.8 --- /w 100lfm convection without heatsink 13.6 --- /w 100lfm convection with heatsink 8.5 --- /w 200lfm convection without heatsink 11.8 --- /w 200lfm convection with heatsink 6.5 --- /w 400lfm convection without heatsink 8.8 --- /w thermal impedance 400lfm convection with heatsink 4.3 --- /w case temperature --- +105 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 emc specifications parameter standards & level performance emi en55022 class a /class b (see page 9) esd en61000-4-2 air 8kv , contact 6kv perf. criteria a radiated immunity en61000-4-3 10v/m perf. criteria a fast transient (see note 7) en61000-4-4 2kv perf. criteria a surge (see note 7) en61000-4-5 1kv perf. criteria a conducted immunity en61000-4-6 10v/m perf. criteria a
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 4 of 10 ? power derating curve output power (%) ~ ambient temperature output power (%) 0 20 40 60 80 100 -40 0 20 60 100 110 80 40 400lfm 200lfm 100lfm natural convection 20lfm c mjw25-24s033, mjw25-48s033 derating curve without heatsink mjw25-24s033, mjw25-48s033 derating curve with heatsink output power (%) ~ ambient temperature output power (%) 0 20 40 60 80 100 -40 0 20 60 100 110 80 40 400lfm 200lfm 100lfm natural convection 20lfm c mjw25-24s05,mjw25-24s12,mj w25-24s15,mjw25-48s05 mjw25-48s12,mjw25-48s15 derating curve without heatsink mjw25-24s05,mjw25-24s12,mj w25-24s15,mjw25-48s05 mjw25-48s12,mjw25-48s15 derating curve with heatsink output power (%) ~ ambient temperature output power (%) 0 20 40 60 80 100 -40 0 20 60 100 110 80 40 400lfm 200lfm 100lfm natural convection 20lfm c mjw25-12s033 derating curve without heatsink mjw25-12s033 derating curve with heatsink output power (%) ~ ambient temperature output power (%) 0 20 40 60 80 100 -40 0 20 60 100 110 80 40 400lfm 200lfm 100lfm natural convection 20lfm c mjw25-12s05, mjw25-12s12, mjw25-12s15, mjw25-12d12 mjw25-12d15, MJW25-24D12, mjw 25-24d15,mjw25-48d12,mjw25-48d15 derating curve without heatsink mjw25-12s05, mjw25-12s12, mjw25-12s15, mjw25-12d12 mjw25-12d15, MJW25-24D12, mjw 25-24d15,mjw25-48d12,mjw25-48d15 derating curve with heatsink
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 5 of 10 ? efficiency curve @25 mjw25-12s033 efficiency vs load current mjw25-12s05 efficiency vs load current mjw25-12s12 efficiency vs load current mjw25-12s15 efficiency vs load current mjw25-12d12 efficiency vs load current mjw25-12d15 efficiency vs load current mjw25-24s033 efficiency vs load current mjw25-24s05 efficiency vs load current 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 9v 12v 18v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 9v 12v 18v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 9v 12v 18v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 9v 12v 18v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 9v 12v 18v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 9v 12v 18v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 18v 24v 36v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 18v 24v 36v
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 6 of 10 ? efficiency curve @25 mjw25-24s12 efficiency vs load current mjw25-24s15 efficiency vs load current MJW25-24D12 efficiency vs load current mjw25-24d15 efficiency vs load current mjw25-48s033 efficiency vs load current mjw25-48s05 efficiency vs load current mjw25-48s12 efficiency vs load current mjw25-48s15 efficiency vs load current 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 18v 24v 36v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 18v 24v 36v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 18v 24v 36v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 18v 24v 36v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 36v 48v 75v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 36v 48v 75v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 36v 48v 75v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 36v 48v 75v
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 7 of 10 ? efficiency curve @25 mjw25-48d12 efficiency vs load current mjw25-48d15 efficiency vs load current notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage, 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 20 mhz, measured with a 1 f mlcc and a 10 f tantalum capatitor. 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. mjw25-24s05-hs) to order code. 7 the mjw25 series can meet en61000-4-4 & en61000-4-5 by adding a capacitor across t he input pins.suggested capacitor:chemi-con ky 220 f/100v. 8 that ?natural convection? is about 20lfm but is not equal to still air (0 lfm). 9 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 trim 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 : 16.5g 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 36v 48v 75v 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%) 36v 48v 75v 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 45 1.00 [0.04] 2.54 [0.10] 2.54 [0.10] bottom view 10.16 0.5 [0.40 0.02 ]
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 8 of 10 ? 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. external output trimming output can be externally trimmed by using the method shown below mjw25-xxs033 trim table trim down 1 2 3 4 5 6 7 8 9 10 % vout= vox0.99 vox0.98 vox0.97 vox0.96 vox0.95 vox0.94 vox0.93 vox0.92 vox0.91 vox0.90 volts rd= 63.59 30.28 18.19 11.95 8.13 5.56 3.70 2.31 1.21 0.34 kohms trim up 1 2 3 4 5 6 7 8 9 10 % vout= vox1.01 vox1.02 vox1.03 vox1.04 vox1.05 vox1.06 vox1.07 vox1.08 vox1.09 vox1.10 volts ru= 70.50 29.28 16.87 10.90 7.38 5.06 3.42 2.20 1.25 0.49 kohms mjw25-xxs05 trim table trim down 1 2 3 4 5 6 7 8 9 10 % vout= vox0.99 vox0.98 vox0.97 vox0.96 vox0.95 vox0.94 vox0.93 vox0.92 vox0.91 vox0.90 volts rd= 45.53 20.61 12.31 8.15 5.66 4.00 2.81 1.92 1.23 0.68 kohms trim up 1 2 3 4 5 6 7 8 9 10 % vout= vox1.01 vox1.02 vox1.03 vox1.04 vox1.05 vox1.06 vox1.07 vox1.08 vox1.09 vox1.10 volts ru= 36.57 16.58 9.92 6.59 4.59 3.25 2.30 1.59 1.03 0.59 kohms mjw25-xxs12 trim table trim down 1 2 3 4 5 6 7 8 9 10 % vout= vox0.99 vox0.98 vox0.97 vox0.96 vox0.95 vox0.94 vox0.93 vox0.92 vox0.91 vox0.90 volts rd= 394.50 179.74 106.08 68.86 46.39 31.36 20.60 12.51 6.21 1.17 kohms trim up 1 2 3 4 5 6 7 8 9 10 % vout= vox1.01 vox1.02 vox1.03 vox1.04 vox1.05 vox1.06 vox1.07 vox1.08 vox1.09 vox1.10 volts ru= 368.92 161.92 94.97 61.86 42.12 29.00 19.66 12.66 7.23 2.89 kohms mjw25-xxs15 trim table trim down 1 2 3 4 5 6 7 8 9 10 % vout= vox0.99 vox0.98 vox0.97 vox0.96 vox0.95 vox0.94 vox0.93 vox0.92 vox0.91 vox0.90 volts rd= 572.67 248.63 145.60 94.97 64.87 44.92 30.72 20.10 11.86 5.28 kohms trim up 1 2 3 4 5 6 7 8 9 10 % vout= vox1.01 vox1.02 vox1.03 vox1.04 vox1.05 vox1.06 vox1.07 vox1.08 vox1.09 vox1.10 volts ru= 392.98 182.12 108.73 71.43 48.85 33.71 22.86 14.69 8.33 3.23 kohms 17.46 [0.69] max. 16.3 [0.64] 31.0 [1.22] max. heat-sink thermal pad clamp converter 12 6 345 mjw25 module bottom view trim up 12 6 345 mjw25 module bottom view rd trim down ru
mjw25 series dc/dc converter 25w , highest power density e-mail:sales@minmax.com.tw tel:886-6-2923150 2013/01/25 p4 page 9 of 10 ? emi-filter to meet en 55022, class a, class b; fcc part 15 ,level a conducted and radiated emissions en55022 class a, class b class model c1 c2 c3 c4&c5 l1 mjw25-12xxx none 3.3 f/25v 1210 mlcc none none 1 h mjw25-24xxx none 3.3 f/50v 1210 mlcc none none 2.2 h class a mjw25-48xxx none 3.3 f/100v 1210 mlcc none none 4.7 h mjw25-12xxx 3.3 f/25v 1210 mlcc 3.3 f/25v 1210 mlcc 3.3 f/25v 1210 mlcc 1800 pf/2kv 1206 mlcc 1 h mjw25-24xxx 3.3 f/50v 1210 mlcc 3.3 f/50v 1210 mlcc 3.3 f/50v 1210 mlcc 1800 pf/2kv 1206 mlcc 2.2 h class b mjw25-48xxx 3.3 f/100v 1210 mlcc 3.3 f/100v 1210 mlcc 3.3 f/100v 1210 mlcc 1800 pf/2kv 1206 mlcc 4.7 h
mjw25 series dc/dc converter 25w , highest 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 2013/01/25 p4 page 10 of 10 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 the m odule, 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 1 f ceramic capacitor and a 10 f tantalum 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 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 0v to 1.2v. a logic high is 3.5v to 12v. the maximum sink curr ent at the on/off terminal (pin 6) during a logic low is -500ua. the maximum allowable leakage current of a switch connected to the on/off terminal (pin 6) at logic high (3.5v to 12v) is 10ma. overcurrent protection to provide hiccup mode protection in a faul t (output overload) condition, the unit is equipped with in ternal current limiting c ircuitry and can endure overload for an unlimited duration. 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 than the primary loop. this provides a redundant voltage control t hat reduces the risk of output overvoltage. the ovp level can be found in the output data . 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 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 maximum capacitive load the mjw25 series has limitation of maximum connected capacit ance at the output. the power module may be operated in current lim iting 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 105 . 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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