dual output +vo pwm isolation ref.amp lc filter +vin -vin com. -vo single output pwm isolation ref.amp -vo +vo lc filter +vin -vin block diagram en55022 emi low profile i/o isolation 4200 vdc wide range 4:1 miw2100-series power modules are specially designed to provide ultra-high levels of isolation 4200vdc in a low profile 24-pin dip package. operating input voltage ranges of 9-40vdc, 18-80vdc and 36-160vdc which provide precisely regulated output voltages of 5v, 12v, {12v and {15vdc. the -40] to +75] operating temperature range makes it ideal for data communication equipments, mobile battery driven equipments, distributed power systems, telecommunication equipments, mixed analog/digital subsystems, process/machine control equipments, computer peripheral systems and industrial robot systems. the modules have a maximum power rating of 3w and a typical full-load efficiency of 83%, continuous short circuit, en55022 class b conducted noise compliance minimize design-in time, cost and eliminate the need for external filtering. y meets ul1950/en60950 y low isolation capacitance y low leakage current y temperature performance -40] to +75] 2.0 mm min. y all i/o clearance and creepage distance y complies with en55022 class b y 4:1 wide input range y mtbf > 1,000,000 hours y 4200vdc isolation y efficiency up to 83% key features 3w, ultra-wide input range dip, singl e & dual output dc/dc converters
83 33 {15 {100 {15 miw2147 83 33 {18.8 {125 {12 miw2146 83 33 37.5 250 12 miw2143 78 3 5 35 90 600 5 110 ( 36 ~ 160 ) miw2142 83 75 {15 {100 {15 miw2137 83 75 {18.8 {125 {12 miw2136 83 75 37.5 250 12 MIW2133 78 8 10 80 90 600 5 48 ( 18 ~ 80 ) miw2132 83 151 {15 {100 {15 miw2127 83 151 {18.8 {125 {12 miw2126 83 151 37.5 250 12 miw2123 78 15 20 160 90 600 5 24 ( 9 ~ 40 ) miw2122 % (typ.) ma (typ.) ma (typ.) ma (typ.) ma ma vdc vdc @max. load @no load @max. load min. max. efficiency reflected ripple current input current output current output voltage input voltage model number model selection guide en55022 class b conducted emi free-air convection cooling % 95 --- humidity ] +125 -40 storage temperature ] +95 -40 case operating temperature ] +75 -40 ambient operating temperature unit max. min. conditions parameter environmental specifications exceeding the absolute maximum rati ngs of the unit could cause damage. these are not conti nuous operating ratings. mw 2,500 --- internal power dissipation ] 260 --- lead temperature (1.5mm from case for 10 sec.) vdc 180 -0.7 110vdc input models vdc 100 -0.7 48vdc input models vdc 50 -0.7 24vdc input models input surge voltage ( 1000 ms ) unit max. min. parameter notes : 1. specifications typical at ta=+25], resistive load, nominal input voltage, rated 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. these power converters require a minimum output loading to maintain specified regulation. 5. operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed. 6. all dc/dc converters s hould be externally fused at the front end for protection. 7. other input and output voltage may be available, please contact factory. 8. specifications subjec t to change without notice. absolute maximum ratings miw2100 series
pi filter input filter mw 2000 --- --- short circuit input power a 0.3 --- --- all models reverse polarity input current 32 --- --- 110v input models 16 --- --- 48v input models 8.5 --- --- 24v input models under voltage shutdown 34 30 26 110v input models 17 15 13 48v input models vdc 9 8.5 8 24v input models start voltage unit max. typ. min. model parameter input specifications k hours --- --- 1000 mil-hdbk-217f @ 25], ground benign mtbf khz --- 150 --- switching frequency pf 13 7 --- 100khz,1v isolation capacitance m[ --- --- 1000 500vdc isolation resistance ua 2 --- --- 240vac, 60hz leakage current vdc --- --- 5000 flash tested for 1 second isolation voltage test vdc --- --- 4200 60 seconds isolation voltage rated unit max. typ. min. conditions parameter general specifications continuous output short circuit %/] {0.05 {0.02 --- temperature coefficient % {6 {3 --- transient response deviation us 500 150 --- 25% load step change transient recovery time % --- --- 120 over power protection mv rms 15 --- --- ripple & noise (20mhz) mv p-p 180 --- --- over line, load & temp. ripple & noise (20mhz) mv p-p 150 100 --- other output models mv p-p 100 75 --- 5v output models ripple & noise (20mhz) % {1.0 {0.5 --- io=100% to 25% load regulation % {0.5 {0.3 --- vin=min. to max. line regulation % {2.0 {0.5 --- dual output, balanced loads output voltage balance % {1.0 {0.5 --- output voltage accuracy unit max. typ. min. conditions parameter output specifications # for each output uf 220 220 470 1000 maximum capacitive load unit { 15v # { 12v # 12v 5v models by vout capacitive load 300ma slow - blow type 500ma slow - blow type 1000ma slow - blow type 110v input models 48v input models 24v input models input fuse selection guide miw2100 series
vin ( vdc ) 10us 320 300 280 260 240 220 200 180 160 140 100us 1ms 10ms 100ms 120 100 80 60 40 0 48vdc input models 24vdc input models 110vdc input models input voltage transient rating miw2100 series
derating curve ? ] ambient temperature output power (%) 0 20 40 60 80 100 -40 50 60 80 100 110 90 70 400lfm 200lfm 100lfm natural convection efficiency vs output load ( dual output ) efficiency vs output load ( single output ) load current (%) 100 60 40 20 10 80 30 40 50 60 70 80 90 100 efficiency (%) 20 30 40 50 60 70 80 90 efficiency (%) load current (%) 100 60 40 20 10 80 efficiency vs input voltage ( dual output ) efficiency vs input voltage ( single output ) 50 60 70 80 90 100 input voltage (v) nom low high efficiency (%) 50 60 70 80 90 100 input voltage (v) nom low high efficiency (%) miw2100 series
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 simulated source impedance. capacitor cin, offsets possible battery impedance. current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500khz. 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. design & feature considerations maximum capacitive load the miw2100 series has limitation of maximum connected capacitance on the output. the power module may operate in current limiting mode during start-up, affecting the ramp-up and the startup time. connect capacitors at the point of load for best performance. the maximum capacitance can be found in the data sheet. overcurrent protection to provide protection in a f ault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure current limiting for an unlimited duration. at the point of current-limit incepti on, the unit shifts from voltage control to current control. t he unit operates normally once the output current is brought ba ck into its specified range. input source impedance the power module should be connected to a low ac-impedance input source. highly inductive source impedances can affect the st ability of the power module. in applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor on the input to insure startup. by using a good quality low equivalent series resistance (esr < 1.0[ at 100 khz) capac itor of a 4.7uf for the 24v input devices and a 2.2uf fo r the 48v devices, capacitor mounted close to the power m odule helps ensure stability of the unit. 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 that 3.3uf capacitors are used on output. miw2100 series +out -out +vin -vin dc / dc converter load battery + lin + cin to oscilloscope current probe +out -out +vin -vin dual output dc / dc converter resistive load scope copper strip cout com. scope cout +out -out +vin -vin single output dc / dc converter resistive load scope copper strip cout + +out -out +vin -vin dc / dc converter load dc power source + - cin +out -out +vin -vin load dc power source + - cout com. dual output dc / dc converter +out -out +vin -vin load dc power source + - cout single output dc / dc converter
thermal considerations many conditions affect the thermal performance of the power module, such as orientat ion, airflow over the module, and board spacing. to avoid exceeding the maximum temperature rating of t he components inside the power module, the case temperatur e must be kept below 90c. the derating curves were determined from measurements obtained in an exper imental apparatus. safety according to en 60950 / ul 1950 insulation between adjacent pr imary circuits or between primary & secondary circuits: operational-,basic- and s upplementary insulation for working voltages up to 420 vdc /300 vac. reinforced insulation for working voltages up to 210 vdc / 150 vac. insulation between adjacent secondary circuits: operatonal-,basic- suppl ementary and reinforced insulation for working voltages up to 420 vdc /300 vac. electromagnetic emission en 55022 < b conducted and radiated emissions miw214x-types en 55022 < a ; with external coupling capacitor cio=1 nf < b miw2100 series dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in
the miw2100 converter is encapsul ated in a low thermal resistance molding com pound that has excellent resistance/electrical characteristics over a wide temperatur e range or in high humidity environments. the encapsulant and unit case are both rated to ul 94v-0 flammability specifications. leads are tin plated for improved solderability. ul94v-0 : flammability -vin -vin 24 -vin -vin 23 16.2g : weight +vout no pin 15 -vout +vout 13 non-conductive black plastic : case material no pin -vout 12 common no pin 11 1.25*0.8*0.40 inches +vin +vin 1 31.8*20.3*10.2 mm : case size dual output single output pin physical characteristics pin connections {0.002 {0.05 pin x.xxx{0.005 x.xx{0.13 x.xx{0.01 x.x{0.25 inches millimeters tolerance dual output single output 31.8[1.25] 0.6[0.024] 2.54[0.100] 2.0[0.08] 10.5[0.41] 3.9[0.15] 15.2[0.06] 20.3[0.80] 1 24 13 bottom side 2.54[0.10] 23 15 11 12 0.20[0.008] connecting pin patterns top view ( 2.54 mm / 0.1 inch grids ) mechanical dimensions miw2100 series
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