a: 2.5v, 3.3v, 5v and 5.1v-output models use t he synchronous-rectifier c onfiguration shown above. 12v, 15v, {12v and {15v-output models empl oy a standard, diode-rectification architecture. dual output +vo pwm isolation ref.amp lc filter +vin -vin com. -vo ovp a a single output pwm isolation ref.amp lc filter +vin -vin -vo +vo ovp a block diagram i/o isolation 1500 vdc wide range 2:1 en55022 emi more power high power density protection ovp minmax's miw5000-series power modules operate over input voltage ranges of 9-18vdc, 18-36vdc and 36-75vdc which provide precisely regulated output vo ltages of 2.5v, 3.3v, 5v, 5.1v, 12v, 15v, {12v and {15vdc. the miw5000 series is an excellent selection 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 10w and a typical full-load efficiency of 88%, cont inuous short circuit, 50ma output ripple, en55022 class a conduct ed noise compliance minimize design-in time, cost and eliminate the need for external filtering . y internal smd construction y ul 94v-0 package material y industry standard pinout y over voltage protection y complies with en55022 class a y csa1950 safety approval y 2:1 wide input range y mtbf > 1,000,000 hours y 1500vdc isolation y high efficiency up to 88% key features 10w, wide input range dip, single & dual output dc/dc converters miw5000 series rev:0 2005/04 minmax 1
87 244 200 2000 5.1 miw5049 87 243 {33 {333 {15 miw5047 88 236 {42 {416 {12 miw5046 87 239 66.6 666 15 miw5044 87 240 83 833 12 miw5043 87 239 200 2000 5 miw5042 85 243 300 3000 3.3 miw5041 83 40 10 188 300 3000 2.5 48 ( 36 ~ 75 ) miw5040 87 489 200 2000 5.1 miw5039 87 478 {33 {333 {15 miw5037 88 473 {42 {416 {12 miw5036 87 478 66.6 666 15 miw5034 87 479 83 833 12 miw5033 87 479 200 2000 5 MIW5032 85 485 300 3000 3.3 miw5031 83 40 20 377 300 3000 2.5 24 ( 18 ~ 36 ) miw5030 83 1024 200 2000 5.1 miw5029 86 968 {33 {333 {15 miw5027 87 957 {42 {416 {12 miw5026 86 968 66.6 666 15 miw5024 87 957 83 833 12 miw5023 83 1004 200 2000 5 miw5022 82 60 40 1006 300 3000 3.3 12 ( 9 ~ 18 ) miw5021 % (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 a conducted emi free-air convection cooling % 95 --- humidity ] +125 -40 storage temperature ] +90 -40 case operating temperature ] +60 -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 100 -0.7 48vdc input models vdc 50 -0.7 24vdc input models vdc 25 -0.7 12vdc 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 on 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 miw5000 series 2 minmax rev:0 2005/04
pi filter input filter mw 2500 --- --- short circuit input power a 0.5 --- --- all models reverse polarity input current 34 --- --- 48v input models 17 --- --- 24v input models 8.5 --- --- 12v input models under voltage shutdown 36 33 30 48v input models 18 16 14 24v input models vdc 9 8 7 12v input models start voltage unit max. typ. min. model parameter input specifications k hours --- --- 1000 mil-hdbk-217f @ 25], ground benign mtbf khz --- 400 --- switching frequency pf 1200 1000 --- 100khz,1v isolation capacitance m[ --- --- 1000 500vdc isolation resistance vdc --- --- 1650 flash tested for 1 second isolation voltage test vdc --- --- 1500 60 seconds isolation voltage rated unit max. typ. min. conditions parameter general specifications continuous output short circuit %/] {0.02 {0.01 --- temperature coefficient % {5 {3 --- transient response deviation us 500 250 --- 25% load step change transient recovery time % 180 150 110 over power protection mv rms 15 --- --- ripple & noise (20mhz) mv p-p 100 --- --- over line, load & temp. ripple & noise (20mhz) mv p-p 85 50 --- ripple & noise (20mhz) % {1.5 {0.7 --- io=10% to 100% (only 2.5vout) load regulation % {1.2 {0.5 --- io=10% to 100% load regulation % {1.0 {0.3 --- vin=min. to max. line regulation % {2.0 {0.5 --- dual output, balanced loads output voltage balance % {1.2 {0.6 --- output voltage accuracy unit max. typ. min. conditions parameter output specifications # for each output uf 150 220 470 820 2200 2200 2200 2200 maximum capacitive load unit {15v # {12v # 15v 12v 5.1v 5v 3.3v 2.5v models by vout capacitive load 500ma slow-blow type 1000ma slow-blow type 2000ma slow-blow type 48v input models 24v input models 12v input models input fuse selection guide miw5000 series rev:0 2005/04 minmax 3
vin ( vdc ) 10us 150 140 130 120 110 100 90 80 70 60 100us 1ms 10ms 100ms 50 40 30 20 10 0 48vdc input models 24vdc input models 12vdc input models input voltage transient rating miw5000 series 4 minmax rev:0 2005/04
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 ) 30 40 50 60 70 80 90 100 load current (%) 100 60 40 20 10 80 effi c i ency (%) 30 40 50 60 70 80 90 100 effi c i ency (%) load current (%) 100 60 40 20 10 80 efficiency vs input voltage ( dual output ) efficiency vs input voltage ( single output ) input voltage (v) nom low high efficiency (%) 5p 50 60 70 80 90 100 50 60 70 80 90 100 efficiency (%) input voltage (v) nom low high miw5000 series rev:0 2005/04 minmax 5
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 miw5000 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. 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. overvoltage protection the output overvoltage clamp cons ists of control circuitry, which is independent of the pr imary regulation loop, that monitors the voltage on the output terminals. the control loop of the cl amp has a higher voltage set point than the primary loop. this provides a redundant volt age control that reduces the risk of output overvoltage. 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 12uf for the 12v, 4.7uf for the 24v input dev ices and a 2.2uf for the 48v devices, capacitor mounted clos e to the power module 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. miw5000 series 6 minmax rev:0 2005/04 +out -out +vin -vin dc / dc converter load battery + lin + cin to oscilloscope current probe +out -out +vin -vin single output dc / dc converter resistive load scope copper strip cout +out -out +vin -vin dual output dc / dc converter resistive load scope copper strip cout com. scope cout + +out -out +vin -vin dc / dc converter load dc power source + - cin +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
t hermal 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 95c. the derating curves were determined from measurements obtained in an exper imental apparatus. miw5000 series rev:0 2005/04 minmax 7 dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in
the miw5000 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. nc: no connection +vin +vin 23 ul94v-0 : flammability +vin +vin 22 common -vout 16 17.3g : weight +vout +vout 14 -vout nc 11 metal with non-conductive baseplate : case material common no pin 9 -vin -vin 3 1.25*0.80*0.40 inches -vin -vin 2 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] 10.2 [0.40] 20.3 [0.80] bottom 4.1 [0.16] 4.5 [0.18] 2 side 311 16 14 23 22 0.50 [0.020] 2.54 [0.100] 15.22 [0.600] 2.5 [0.10] 9 connecting pin patterns top view ( 2.54 mm / 0.1 inch grids ) mechanical dimensions miw5000 series 8 minmax rev:0 2005/04
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