msiw1000 series dc/dc converter 3w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:4 page 1 of 4 features ? smd package with industry standard pinout ? package dimension: 32.3 x 14.8 x 10.2 mm (1.27?x 0.58?x 0.38? inches) ? wide 2:1 input range ? efficiency up to 83% ? i/o-isolation 1500vdc ? operating temp. range -40c to +85c ? qualified for lead-free reflow solder process according ipc/jedec j-std-020d ? 3 years product warranty product overview the minmax msiw1000 series is a range of isolated 3w 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 32.3 x 14.8 x 10.2 mm. all models are qualified for lead fre e reflow solder processes according ipc j-std-20d.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 % msiw1021 3.3 700 70 257 75 msiw1022 5 600 60 316 79 msiw1023 12 250 25 305 82 msiw1024 15 200 20 305 4700 82 msiw1025 5 300 30 321 78 msiw1026 12 125 12.5 309 81 msiw1027 12 (9 ~ 18) 15 100 10 309 20 25 180# 81 MSIW1031 3.3 700 70 127 76 msiw1032 5 600 60 156 80 msiw1033 12 250 25 151 83 msiw1034 15 200 20 151 4700 83 msiw1035 5 300 30 158 79 msiw1036 12 125 12.5 152 82 msiw1037 24 (18 ~ 36) 15 100 10 152 5 15 180# 82 msiw1041 3.3 700 70 63 76 msiw1042 5 600 60 78 80 msiw1043 12 250 25 75 83 msiw1044 15 200 20 75 4700 83 msiw1045 5 300 30 79 79 msiw1046 12 125 12.5 76 82 msiw1047 48 (36 ~ 75) 15 100 10 76 3 10 180# 82 # for each output
msiw1000 series dc/dc converter 3w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:4 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 4.5 6 8 24v input models 8 12 18 start-up voltage 48v input models 16 24 36 12v input models --- --- 8 24v input models --- --- 16 under voltage shutdown 48v input models --- --- 32 vdc reverse polarity input current --- --- 0.5 a short circuit input power --- --- 1500 mw input filter pi filter internal power dissipation all models --- --- 2500 mw 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=10% to 100% --- 0.3 1.0 % ripple & noise (20mhz) --- 50 75 mv p-p ripple & noise (20mhz) over line, load & temp. --- --- 100 mv p-p ripple & noise (20mhz) --- --- 10 mv rms transient recovery time --- 200 500 us transient response deviation 25% load step change --- 2 6 % temperature coefficient --- 0.01 0.02 %/ 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 --- 65 100 pf switching frequency --- 300 --- khz mtbf (calculated) mil-hdbk-217f@25 , ground benign 1,000,000 --- --- hours moisture sensitivity level (msl) ipc/jedec j-std-020d level 2 safety approvals ul/cul 60950-1 recognition(cs a certificate), iec/en 60950-1(cb-scheme) input fuse 12v input models 24v input models 48v input models 750ma slow-blow type 350ma slow-blow type 200ma 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
msiw1000 series dc/dc converter 3w, smd-package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/01/10 rev:4 page 3 of 4 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. 9 it is not recommended to use water-washing process on smt units. 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) pin connections physical characteristics pin single output dual output case size : 32.3x14.8x10.2mm (1.27x0.58x0.4 inches) 1,2 -vin -vin 3,11,14,22 nc nc case material : non-conductive bl ack plastic (flammability to ul 94v-0 rated) 10 nc common 12 nc -vout weight : 8.8g 13 +vout +vout 15 -vout common 23,24 +vin +vin nc : no connection 2.18 1 24 2 23 3 22 10 15 11 14 12 13 10.2 0.5 [0.4 0.02] 0.5 [0.02] 5.08 [0.2] 32.3 [1.27] 17.78 [0.7] 0.50 [0.02] [0.09] 5.08 [0.2] 14.8 [0.58] 16.1 [0.63] 18.8 [0.74] 9.7 [0.38] 0 ~ 5 0.15 s sseating plane 27.94 [1.10] 2.54 [0.10] 17.78 [0.70] 1.0 [0.04] 2.6 [0.10] 20.0 [0.79]
msiw1000 series dc/dc converter 3w, 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:4 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 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 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 3.3uf for the 12v input devices and a 1.5uf 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 msiw1000 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 180uf maximum capacitive load for dual outputs and 4700uf 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
|
