mskw2000 series dc/dc converter 5w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:6 page 1 of 5 features ? smd package with industry standard pinout ? package dimension: 33.3 x 20.8 x 9.8 mm (1.31?x 0.82?x 0.39? inches) ? wide 2:1 input range ? efficiency up to 85% ? i/o-isolation 1500vdc ? operating temp. range -40c to +85c ? qualified for lead-free reflow solder process according ipc/jedec j-std-020d ? input filter complies with en55022,class a ? 3 years product warranty product overview the minmax mskw2000 series is a range of isolated 5w dc/dc c onverter modules featuring fully regulated output voltages and wide 2:1 input voltage ranges. these products are in a low profile smd package with dimensions of 33.4 x 20.8 x 9.8 mm. all m odels are qualified for lead free reflow solder processes according ipc j-std-020d.an excellent efficiency allows an operating temperature range of?40 to +85c (with derating). typical applications for these converte rs are battery operated equipment and instrumentation, communication and general industr ial 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 % mskw2021 3.3 1200 120 434 76 MSKW2022 5 1000 100 521 80 mskw2023 12 417 41.7 502 83 mskw2024 15 333 33.3 502 680 83 mskw2025 5 500 500 521 80 mskw2026 12 208 20.8 501 83 mskw2027 12 (9 ~ 18) 15 167 16.7 503 45 25 100# 83 mskw2031 3.3 1200 120 212 78 mskw2032 5 1000 100 254 82 mskw2033 12 417 41.7 245 85 mskw2034 15 333 33.3 245 680 85 mskw2035 5 500 500 254 82 mskw2036 12 208 20.8 245 85 mskw2037 24 (18 ~ 36) 15 167 16.7 246 15 15 100# 85 mskw2041 3.3 1200 120 106 78 mskw2042 5 1000 100 127 82 mskw2043 12 417 41.7 123 85 mskw2044 15 333 33.3 122 680 85 mskw2045 5 500 500 127 82 mskw2046 12 208 20.8 122 85 mskw2047 48 (36 ~ 75) 15 167 16.7 123 6 10 100# 85 # for each output
mskw2000 series dc/dc converter 5w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:6 page 2 of 5 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 7.5 8 9 24v input models 14 16 18 start-up voltage 48v input models 30 33 36 12v input models 6.5 7 8 24v input models 13 15 17 under voltage shutdown 48v input models 28 31 34 vdc reverse polarity input current --- --- 1 a short circuit input power --- 1000 3000 mw internal power dissipation --- --- 2500 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 output, balanced loads --- 0.5 2.0 % line regulation vin=min. to max. --- 0.1 0.3 % load regulation io=20% to 100% --- 0.3 1.0 % ripple & noise (20mhz) --- 50 85 mv p-p ripple & noise (20mhz) over line, load & temp. --- --- 100 mv p-p ripple & noise (20mhz) --- --- 15 mv rms transient recovery time --- 250 500 us transient response deviation 25% load step change --- 2 6 % temperature coefficient --- 0.01 0.02 %/ over load protection foldback 115 140 165 % 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 --- 650 750 pf switching frequency 200 260 350 khz mtbf (calculated) mil-hdbk-217f@25 , ground benign 1,000,000 --- --- hours moisture sensitivity level (msl) ipc/jedec j-std-020d level 2 input fuse 12v input models 24v input models 48v input models 1500ma slow-blow type 700ma slow-blow type 350ma slow-blow type remote on/off control parameter conditions min. typ. max. unit converter on 2.5v ~ 5.5v or open circuit converter off -0.7v ~ 0.8v control input current (on) vctr l = min. to max. --- --- -200 ua control input current (off) vctr l = min. to max. --- --- -300 ua control common referenced to negative input standby input current --- --- 10 ma
mskw2000 series dc/dc converter 5w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:6 page 3 of 5 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 power derating curve 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 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 connecting pin patterns ? all dimensions in mm (inches) ? tolerance: x.x0.25 (x.xx0.01) x.xx0.13 ( x.xxx0.005) ? pins 0.05 (0.002) 20.8 [0.82] 22.6 [0.89] 25.6 [1.01] 2.76 5.08 15.24 [0.6] [0.2] 7.62 [0.3] 33.4 [1.31] 1.50 [0.06] 1 24 2 23 3 22 10 15 11 14 12 13 16 9 10.2 0.5 [0.4 0.02] 0.4 9.8 [0.39] [0.02] 0 ~ 5 0.15 s sseating plane [0.11] 3.0 [0.12] 27.94 [1.10] 2.54 [0.10] 15.24 [0.60] 1.9 [0.07] 27.0 [1.06]
mskw2000 series dc/dc converter 5w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:6 page 4 of 5 pin connections physical characteristics pin single output dual output case size : 33.4x20.8x10.2mm (1.31x0.82x0.4 inches) 1 remote on/off remote on/off 2 -vin -vin case material : non-conductive bl ack plastic (flammability to ul 94v-0 rated) 3 -vin -vin 9 nc common weight : 14g 10 nc nc 11 nc -vout 12 nc nc 13 nc nc 14 +vout +vout 15 nc nc 16 -vout common 22 +vin +vin 23 +vin +vin 24 nc nc nc : no connection
mskw2000 series dc/dc converter 5w, smd-package 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 2012/01/10 rev:6 page 5 of 5 minmax technology co., ltd. test configurations input reflected-ripple current test setup input reflected-ripple current is measured wi th a inductor lin (4.7uh) and cin (220uf, esr < 1.0[ at 100 khz) to simulate sourc e 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 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 -0.7v to 0.8v. a logic high is 2.5v to 5.5v. the maximum sink current of the switch at on/off terminal during a logic low is 300 ua . the maximum sink current of the switch at on/off terminal = 2.5 to 5.5v is 200ua or open. 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 3.3uf for the 12v input devices and a 2.2uf 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 3.3uf 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 mskw2000 series has limitation of maximum connected capacit ance 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 perform ance we recommend 100uf maximum capacitive load for dual outputs and 680uf 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 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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