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output voltage input voltage output wattage dual output series name ? ordering information zuw6 zuw61212 voltage current efficiency voltage current line regulation load regulation ripple ?3 ripple noise ?3 drift start-up time input-output input-case output-case vibration impact agency approvals 20max(minimum input,lo =100 %) fixed works over 105 % of rating and recovers automatically. ac500v, 1minute, cutoff current=10ma, dc500v, 50m ? min.(at room temperature) ac500v, 1minute, cutoff current=10ma, dc500v, 50m ? min.(at room temperature) ac500v, 1minute, cutoff current=10ma, dc500v, 50m ? min.(at room temperature) -20~+71a, 20~95%rh(non condensing)(refer to derating curve) , 3,000m(10,000feet)max -40~+85a, 20~95%rh (non condensing), 9,000m(30,000feet)max 10~55hz, 98.0m/s 2 (10g), 3 minutes period, 60 minutes each along x, y and z axis 490.3m/s 2 (50g), 11ms, once each x, y and z axis ul1950, en60950, csa c22.2 no.950 complies with iec60950 [v] [a] ?1 [%] ?1 [v] [a] [mv] [mv] [mvp-p ] [mvp-p ] [mv] [mv] ?2 [ms] [v] [v] overcurrent protection operating temp., humid. and altitude storage temp., humid. and altitude output voltage setting output voltage adjustment range temperature regulation -20~+55 ? c model input output isolation safety protection circuit environment specifications dc36~72dc18~36dc9~18dc4.5~9 0.17 typ 77 typ 11.40~12.60 12(+24) 0.25 60max 600max 120max 150max 150max 50max 0.17 typ 77 typ 14.25~15.75 15(+30) 0.20 75max 750max 120max 150max 180max 60max 0.33 typ 77 typ 14.25~15.75 15(+30) 0.20 75max 750max 120max 150max 180max 60max 0.33 typ 77 typ 11.40~12.60 12(+24) 0.25 60max 600max 120max 150max 150max 50max 0.65 typ 77 typ 14.25~15.75 15(+30) 0.20 75max 750max 120max 150max 180max 60max 0.65 typ 77 typ 11.40~12.60 12(+24) 0.25 60max 600max 120max 150max 150max 50max 1.60 typ 75 typ 14.25~15.75 15(+30) 0.20 75max 750max 120max 150max 180max 60max zuw60512 zuw60515 zuw61212 zuw61215 zuw62412 zuw62415 zuw64812 ZUW64815 1.60 typ 75 typ 11.40~12.60 12(+24) 0.25 60max 600max 120max 150max 150max 50max ? 1 rated input 5v, 12v, 24v or 48v dc, io=100%. ? 2 the drift is a change at 25 a of ambient temperature and 30 minutes~8 hours after the input voltage applied at rated input/output. ? 3 measured by 20mhz oscilloscope. ? the output specification is at 12v and 15v. ? series/parallel operation with other model is not possible. thin profile isolated between input - output built - in overcurrent protection circuit ul recognized, tv approved, csa certified five - year warranty output pins can be connected in seris to make a 24v/30v output. zu series dc/dc converter r 404 zu/zt free datasheet http:///
dc/dc converter (dual output) ? external view ? derating curve ? rise time & fall time ( zuw60515:+15v ) ? overcurrent characteristics ( zuw60515 ) ? static characteristics ( zuw60515 ) 12120512 2412 4812 0515 1215 2415 4815 6w 12v or +24v 0.25a 6w 15v or +30v 0.20a model max output wattage dc output voltage dc output current zuw6 zuw6 outline ? recomended size for processing pcb (top view) 15.24 20.32 10.16 27.94 (1.25) (1.25) (1.25) (1.25) 5- o 1.5 2- o 1.6 38.1 25.4 6.35 ? dimensions in mm the converter is in contact with the slanted area of the p.c.b. to keep isolation, adequate wiring on the mounted side is required. ? div.: 0.1inch 405 zu/zt 405 free datasheet http:///
basic characteristics data model 310~1600 - - - - - - 420 zu/zt free datasheet http:///
zu/zt 421 instruction manual pin connection . . . . . . . . . . . . 422 function . . . . . . . . . . . . . . . . . . . . 422 2.1 input voltage . . . . . . . . . . . . . . . . . . . . . . . . 422 2.2 overcurrent protection . . . . . . . . . . . . . . . 422 2.3 isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422 wiring to input/output pin . . 423 series operation and parallel operation . . 423 4.1 series operation . . . . . . . . . . . . . . . . . . . . . 423 4.2 parallel redundancy operation . . . . . . . . . 424 assembling and installation method . . 424 5.1 installation method . . . . . . . . . . . . . . . . . . 424 5.2 derating . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 input voltage/current range . . 425 cleaning . . . . . . . . . . . . . . . . . . . . . 425 soldering . . . . . . . . . . . . . . . . . . . . 425 input/output pin . . . . . . . . . . . 426 peak current (pulse load) . . 426 10 9 8 7 6 5 4 3 2 1 pin connection . . . . . . . . . . . . 427 function . . . . . . . . . . . . . . . . . . . . 427 2.1 input voltage . . . . . . . . . . . . . . . . . . . . . . . . 427 2.2 overcurrent protection . . . . . . . . . . . . . . . 427 2.3 overvoltage protection . . . . . . . . . . . . . . . 427 2.4 adjustable voltage range . . . . . . . . . . . . . 428 2.5 remote on/off . . . . . . . . . . . . . . . . . . . . 428 2.6 isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428 wiring to input/output pin . . 429 series operation and parallel operation . . 429 4.1 series operation . . . . . . . . . . . . . . . . . . . . . 429 4.2 parallel redundancy operation . . . . . . . . . 430 assembling and installation method . . 430 5.1 installation method . . . . . . . . . . . . . . . . . . . 430 5.2 derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430 input voltage/current range . . 431 cleaning . . . . . . . . . . . . . . . . . . . . . 431 soldering . . . . . . . . . . . . . . . . . . . . 431 input/output pin . . . . . . . . . . . 432 peak current (pulse load) . . 432 10 9 8 7 6 5 4 3 2 1 zu1r5 ? zu3 ? zu6 ? zu10 pin connection . . . . . . . . . . . 433 function . . . . . . . . . . . . . . . . . . . . 433 2.1 input voltage . . . . . . . . . . . . . . . . . . . . . . . . 433 2.2 overcurrent protection . . . . . . . . . . . . . . . . 433 2.3 isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433 wiring to input/output pin . . 434 series operation and parallel operation . . 434 4.1 series operation . . . . . . . . . . . . . . . . . . . . . 434 4.2 parallel redundancy operation . . . . . . . . . 435 assembling and installation method . . 435 5.1 installation method . . . . . . . . . . . . . . . . . . 435 5.2 derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435 input voltage/current range . . 435 cleaning . . . . . . . . . . . . . . . . . . . . . 436 soldering . . . . . . . . . . . . . . . . . . . . 436 input/output pin . . . . . . . . . . . 436 peak current (pulse load) . . 437 10 9 8 7 6 5 4 3 2 1 zt1r5 ? zt3 zu15 ? zu25 free datasheet http:///
1. pin connection ? single output ? dual()output ? connecting pin case connecting pin is available. by connecting this pin to -side of input, the radiation noise from main body can be reduced. 2. function 2.1 input voltage ? if the wrong input is applied, the unit will not operate properly and/or may be damaged. 2.2 overcurrent protection ? overcurrent protection circuit is built - in and comes into effect at over 105% of the rated current. overcurrent protection prevents the unit from short circuit and over current condition of less than 20 sec. the unit automatically recovers when the fault condition is cleared. ? the power supply which has a current foldback characteristics may not start up when connected to nonlinear load such as lamp, motor or constant current load. see the characteristics below. fig. 2.1 current foldback characteristics 2.3 isolation ? for a receiving inspection, such as hi - pot test, gradually increase(decrease)the voltage for the start(shut down). avoid using hi - pot tester with the timer because it may generate voltage a few times higher than the applied voltage, at on/off of a timer. 422 zu1r5 ? zu3 ? zu6 ? zu10 zu/zt no. q w e r t pin connection function +dc input -dc input +dc output common -dc output case connecting pin if connected to -side of input, the case potential can be fixed and the value of radiation noise can be reduced. +side of input voltage -side of input voltage +side of output voltage gnd of output voltage(only applicable for dual output) -side of output voltage y : load characteristics of power supply : characteristics of load (lamp, motor, constant current load, etc.) note: in case of nonlinear load, the output is locked out at a point. free datasheet http:///
3. wiring to input /output pin ? input filter is built - in. a capacitor ci, if installed near the input terminal, will lower the input conducted noise from converter due to the formation of the type filter. ? when the distance from the dc line to the unit is greatly extended, it makes the input feedback noise much higher and the input voltage several times higher than the normal level when turned on. if this happens, the output power also becomes unstable. in order to prevent the unit form failing in this way; please connect ci to the input terminal. in addition, when the filter with "l" is used, please ci to the input terminal. capacity of external capacitor at input terminal: ci[ f] fig. 3.1 connecting method of capacitor at input terminal ? to lower the output ripple voltage further, install an external capacitor co at output terminal as shown below. capacity of external capacitor at output terminal: co[ f] zus zuw fig. 3.2 connecting method of external capacitor at output terminal ? when the distance between load and dc output is long, please install capacitor at load as shown below. fig. 3.3 connection method of capacitor at load 4. series operation and parallel operation 4.1 series operation ? zus1r5/zuw1r5 ? zus3/zuw3 ? zus6/zuw6 ? series operation is available by connecting the outputs of two or more power supplies, as shown below. output currents in serie s connection should be lower than the lowest rated current in each unit. but at series operation with same output voltage, diode is not required to attach even if at (a). when the output voltage is less than 5v. when the output voltage is more than 12v. d1~d4: please use schottky barrier diode. d1 d2: please use schottky barrier diode. 423 zu1r5 ? zu3 ? zu6 ? zu10 zu/zt model zusir5 zuwir5 100 47 33 10 zus3 zuw3 220 100 47 22 zus6 zuw6 470 220 100 47 zus10 zuw10 470 220 100 47 5 12 24 48 input voltage(v) model zus1r5 zuw1r5 100 100 100 zus3 zuw3 220 100 100 zus6 zuw6 220 100 100 zus10 zuw10 220 100 100 3, 5 12 15 output voltage(v) power supply + - power supply + - load d1 d2 d4 d3 free datasheet http:///
? zus10/zuw10 ? series operation is available by connecting the outputs of two or more power supplies as shown below. output currents in series connection should be lower than the lowest rated current in each unit. (c) (d) 4.2 parallel redundancy operation ? parallel redundancy operation is available by connecting the units as shown below. i 1 , i 2 the rated current value 5. assembling and installation method 5.1 installation method ? the unit can be mounted in any direction. position them with proper intervals to allow enough air ventilation. ambient temperature around each power supply should not exceed the temperature range shown in derating curve. ? avoid placing the dc input line pattern layout underneath the unit because it will increase the line conducted noise. make sure to leave an ample distance between the line pattern layout and the unit. also, avoid placing the dc output line pattern underneath the unit because it may increase the output noise. lay out the pattern away from the unit. fig. 5.1 pattern wiring 424 zu1r5 ? zu3 ? zu6 ? zu10 zu/zt yes no free datasheet http:///
5.2 derating ? by derating the output current, it is possible to operate the unit from -20a~+71a (-20a~+85a at forced air cooling). ? when unit mounted any way other than in drawings below, it is required to consider ventilated environments by forced air cooling or temperature/load derating. for details, please consult our sales or engineering department. 6. input voltage/current range ? when a non - regulated source is used as a front end, make sure that the voltage fluctuation together with the ripple voltage will not excee d the input voltage range. ? select the converter that is able to handle the start - up current(ip) . fig. 6.1 input current characteristics 7. cleaning ? cleaning is possible by below listed conditions. cleaning method ? during cleaning to drying (the condition that cleaning liquid is soaked into the ink of name plate), do not touch on the surface of name plate. ? after cleaning, dry them enough. 8. soldering ? flow soldering : 260a less than 15 seconds. ? soldering iron : 450a less than 5 seconds. 425 zu1r5 ? zu3 ? zu6 ? zu10 zu/zt no. classification 1 2 3 4 cleaning agents cleaning method liquid temp. pine alpha stC100s(arakawa chemical co.) clean through 750h(kao corporation) ipa asahiklin akC225aes(asahi glass co.) varnishing or ultra sonic wave less than 60?c period within 5 minutes within 2 minutes C varnishing,ultra sonic wave, vapor water type solvent type free datasheet http:///
9. input /output pin ? when too much stress is applied on the input/output pins of the unit, the internal connection may be weakened. as below fig. 9.1, avoid applying stress of more than 19.6n(2kgf) on the pins horizontally and more than 39.2n(4kgf) vertically. ? the input/output pins are soldered on pcb internally, therefore, do not pull or bend them with abnormal forces. ? when additional stress is expected to be put on the input/output pins because of vibration or impacts, fix the unit on pcb (using silicone rubber or fixing fittings) to reduce the stress onto the input/output pins. fig. 9.1 stress onto the pins 10. peak current (pulse load) ? it is possible to supply the pulse current for the pulse load by connecting the capacitor externally at the output side. ? the average current iav of output is shown in below formula. ? the required electrolytic capacitor c is found by below formula. 426 zu1r5 ? zu3 ? zu6 ? zu10 zu/zt iav = is + (iop - is)t t c = (iop - iav)t ? vo free datasheet http:///
1. pin connection ? single output ? dual () output 2. function 2.1 input voltage ? if the wrong input is applied, the unit will not operate properly and/or may be damaged. 2.2 overcurrent protection ? overcurrent protection circuit is built - in and comes into effect at over 105% of the rated current. overcurrent protection prevents the unit from short circuit and over current condition of less than 20 sec. the unit automatically recovers when the fault condition is cleared. fig. 2.1 overcurrent protection characteristics 2.3 overvoltage protection single output ? the overvoltage protection circuit is built - in and comes into effect at 115~140% of the rated voltage. the dc input voltage should be shut down if overvoltage protection is in operation. the minimum interval of dc recycling for recovery 2 to 3 minutes(*) . * the recovery time depends on input voltage. multiple output ? by detecting overvoltage condition between +v and -v, overvoltage protection circuit comes into effect at 115~140% of the rated voltage.the dc input voltage should be shut down if overvoltage protection is in operation. the minimum interval of dc recycling for recovery 2 to 3 minutes(*) . * the recovery time depends on input voltage. remarks: please note that unit's internal components may be damaged if excessive voltage(over rated voltage)is applied to output terminal of power supply. this could happen when the customer tests the overvoltage performance of the unit. 427 zu15 ? zu25 zu/zt no. q w e r t y u pin connection function +dc input -dc input rc +dc output common -dc output trm +side of input voltage -side of input voltage remote on/off +side of output voltage gnd of output voltage(only applicable for dual output) -side of output voltage adjustment voltage range free datasheet http:///
2.4 adjustable voltage range ? the output voltage is adjustable by external potentiometer. ? when the output voltage adjustment is not used, open the trm pin. ? the over voltage protection circuit comes into effect when the output voltage is set too high. ? output voltage is increased by turning potentiometer clockwise and is decreased by turning potentiometer counterclockwise. ? the wiring to the potentiometer should be as short as possible and connected to the remote sensing pins (+s and -s). the temperature coefficient varies depending on the type of resistor and potentiometer. it is recommended that the following types be used. resistor .............. metal film type. coefficient of less than 300ppm/a potentiometer........ cermet type, coefficient of less than 100ppm/a fig. 2.2 connection devices outside the power supply table 2.1 devices outside the power supply (adjustable 5%) 2.5 remote on/off ? the ground terminal of remote on/off circuit is connected with -v input terminal. between rc and -v input: output voltage is on at low level or short circuit(0~1.2v) between rc and -v input: output voltage is off at high level or open circuit(2.4~5.5v) (connection example) or or transistor ic relay when rc terminal is low level, fan out current is 1ma typ. when vcc is applied, use 5v vcc 24v. when remote on/off function is not used, please short between rc and -v input. 2.6 isolation ? for a receiving inspection, such as hi - pot test, gradually increase(decrease)the voltage for the start(shut down) . avoid using hi - pot tester with the timer because it may generate voltage a few times higher than the applied voltage, at on/off of a timer. 428 zu15 ? zu25 zu/zt no. output voltage 1 2 3 4 5 3.3v 5v 12v 12v 15v vr 1k 1k 5k 5k 5k r1 470 100 270 10k 10k the constant value of devices outside the power supply (unit: ? ) r2 150 270 2.7k 3.9k 2.7k free datasheet http:///
3. wiring to input /output pin ? the input filter is built - in. a capacitor(ci),if installed near the input terminal, will lower the input conducted noise from converter due to the formation of the type filter. ? when the distance from the dc line to the unit is greatly extended, it makes the input feedback noise much higher and the input voltage several times higher than the normal level when turned on. if this happens, the output power also becomes unstable. in order to prevent the unit form failing in this way; please connect ci to the input terminal. in addition, when the filter with "l" is used, please connect ci to the input terminal. capacity of external capacitor at input terminal: ci[ f] fig. 3.1 connection method of capacitor at input terminal ? to decrease the ripple voltage further, install an external capacitor co at output terminal as shown below. capacity of external capacitor at output terminal: co[ f] zus zuw fig. 3.2 connecting method of external capacitor at output terminal ? when the distance between load and dc output is long, please install capacitor at load as below. fig. 3.3 connection method of capacitor at load 4. series operation and parallel operation 4.1 series operation ? series operation is available by connecting the outputs of two or more power supplies, as shown below. output currents in series connection should be lower than the lowest rated current in each unit. (a) (b) 429 zu15 ? zu25 zu/zt model zus15 zuw15 zus25 zuw25 330 150 68 33 470 220 100 47 5 12 24 48 input voltage(v) model zus15 zuw15 zus25 zuw25 220 100 100 220 100 100 3, 5 12 15 output voltage(v) free datasheet http:///
4.2 parallel redundancy operation ? parallel redundancy operation is available by connecting the units as shown below. ? values of i 1 and i 2 become unbalanced by a slight different of the output voltage. make sure that the output voltage of units is of equal value and the output current from each power supply does not exceed the rated current. i 1 , i 2 the rated current value ? use external potentiometer is recommended which can adjust the output voltage. 5. assembling and installation method 5.1 installation method ? the unit can be mounted in any direction. position them with proper intervals to allow enough air ventilation. ambient temperature around each power supply should not exceed the temperature range shown in derating curve. ? avoid placing the dc input line pattern layout underneath the unit because it will increase the line conducted noise. make sure to leave an ample distance between the line pattern layout and the unit. also, avoid placing the dc output line pattern underneath the unit because it may increase the output noise. lay out the pattern away from the unit. fig. 5.1 pattern wiring 5.2 derating ? by derating the output current, it is possible to operate the unit from -20a~+71a (-20a~+85a at forced air cooling). ? when unit mounted any way other than in drawings below, it is required to consider ventilated environments by forced air cooling or temperature/load derating. for details, please consult our sales or engineering departments. fig. 5.2 derating curve 430 zu15 ? zu25 zu/zt yes no free datasheet http:///
? the temperature increase of case surface at full load is shown by below table as referenced data. temperature increase on surface of case (zu series) (unit: deg) 6. input voltage/current range ? when a non - regulated source is used as a front end, make sure that the voltage fluctuation together with the ripple voltage will not excee d the input voltage range. ? select the converter that is able to handle the start - up current(ip) . fig. 6.1 input current characteristics 7. cleaning ? cleaning agents : ? cleaning period : the total time of varnishing, ultrasonic wave and vaper should be within 2 minutes. in case of ultrasonic wave cleaning, the ultrasonic should be less than 15kw/m 3 . during cleaning to drying (the condition that cleaning liquid is soaked into the ink of name plate), do not touch on the surface of name plate. ? after cleaning, dry them enough. 8. soldering ? flow soldering : 260a less than 15 seconds. ? soldering iron : 450a less than 5 seconds. 431 zu15 ? zu25 zu/zt input voltage output voltage 3v, 5v 12v 12v 15v 5v 12v 12v 15v 5v 12v 12v 15v 3v, 5v 12v 12v 15v 30 36 39 38 28 34 36 35 31 38 34 27 21 23 24 26 38 42 39 40 36 42 43 45 32 38 36 35 28 25 31 31 15w 25w 5v 12v 24v 48v no. classification cleanig agents 1 2 3 4 pine alpha st - 100s(arakawa chemical co.) clean through 750h(kao corporation) ipa asahiklin ak-225aes(asahi glass co.) water type solvent type free datasheet http:///
9. input /output pin ? when too much stress is applied on the input/output pins of the unit, the internal connection may be weakened. as below fig. 9.1, avoid applying stress of more than 19.6n(2kgf)on the pins horizontally and more than 39.2n(4kgf)vertically. ? the input/output pins are soldered on pcb internally, therefore, do not pull or bend them with abnormal forces. ? when additional stress is expected to be put on the input/output pins because of vibration or impacts, fix the unit on pcb (using silicone rubber or fixing fittings) to reduce the stress onto the input/output pins. fig. 9.1 stress onto the pins 10. peak current (pulse load) ? it is possible to supply the pulse current for the pulse load by connecting the capacitor externally at the output side. ? the average current iav of output is shown in below formula. ? the required electrolytic capacitor c is found by below formula. 432 zu15 ? zu25 zu/zt iav = is + (iop - is)t t c = (iop - iav)t ? vo free datasheet http:///
433 zu/zt 1. pin connection ? single output ? dual()output ? case connectiong pin case connecting pin is available. by connecting the pin to -side of input, the radiation noise from main body can be reduced. 2. function 2.1 input voltage ? if the wrong input is applied, the unit will not operate properly and/or may be damaged. 2.2 overcurrent protection ? overcurrent protection circuit is built - in and comes into effect at over 105% of the rated current. overcurrent protection prevents the unit from short circuit and over current condition of less than 20 sec. the unit automatically recovers when the fault condition is cleared. ? the power supply which has a current foldback characteristics may not start up when connected to nonlinear load such as lamp, motor or constant current load. see the characteristics below. fig. 2.1 current foldback characteristics 2.3 isolation ? for a receiving inspection, such as hi - pot test, gradually increase(decrease)the voltage for the start(shut down). avoid using hi - pot tester with the timer because it may generate voltage a few times higher than the applied voltage, at on/off of a timer. zt1r5 ? zt3 q -v w +v r +v t nc com y -v e s in out no. q w e r t y pin connection function -dc input +dc input +dc output nc(single output) com(dual output) -dc output if connected to -side of input, the case potential can be fixed and the value of radiation noise can be reduced. -side of input voltage +side of input voltage +side of output voltage no connection gnd of output voltage(only applicable for dual output) -side of output voltage case connecting pin : load characteristics of power supply : characteristics of load (lamp, motor, constant current load, etc.) note: in case of nonlinear load, the output is locked out at a point. free datasheet http:///
434 3. wiring to input /output pin ? input filter is built - in. a capacitor ci, if installed near the input terminal, will lower the input conducted noise from converter due to the formation of the type filter. ? when the distance from the dc line to the unit is greatly extended, it makes the input feedback noise much higher and the input voltage several times higher than the normal level when turned on. if this happens, the output power also becomes unstable. in order to prevent the unit form failing in this way; please connect ci to the input terminal. in addition, when the filter with "l" is used, please ci to the input terminal. capacity of external capacitor at input terminal: ci[ f] fig. 3.1 connecting method of capacitor at input terminal ? to lower the output ripple voltage further, install an external capacitor co at output terminal as shown below. capacity of external capacitor at output terminal: co[ f] zts ztw fig. 3.2 connecting method of external capacitor at output terminal ? when the distance between load and dc output is long, please install capacitor at load as shown below. fig. 3.3 connection method of capacitor at load 4. series operation and parallel operation 4.1 series operation ? series operation is available by connecting the outputs of two or more power supplies, as shown below. output currents in serie s connection should be lower than the lowest rated current in each unit. but at series operation with same output voltage, diode is not required to attach even if at (a). when the output voltage is less than 5v. when the output voltage is more than 12v. d1~d4: please use schottky barrier diode. d1, d2: please use schottky barrier diode. n zt1r5 ? zt3 model ztsir5 ztwir5 100 47 33 10 zts3 ztw3 220 100 47 22 5 12 24 48 input voltage(v) model zts1r5 ztw1r5 100 100 100 zts3 ztw3 220 100 100 5 12 15 output voltage(v) power supply + - power supply + - load d1 d2 d4 d3 free datasheet http:///
435 4.2 parallel redundancy operation ? parallel redundancy operation is available by connecting the units as shown below. i 1 , i 2 the rated current value 5. assembling and installation method 5.1 installation method ? the unit can be mounted in any direction. install the device, with proper intervals to allow enough air ventilation. 5.2 derating ? ambient temperature around each power supply should not exceed the temperature range shown in derating curve. 6. input voltage/current range ? when a non - regulated source is used as a front end, make sure that the voltage fluctuation together with the ripple voltage will not excee d the input voltage range. ? select the converter that is able to handle the start - up current(ip) . fig. 6.1 input current characteristics n zt1r5 ? zt3 100 50 13 4 0 - 20 0 102030405060 (71) (85) 70 80 90 - 10 load factor [ % ] ambient temperature [a] ? 1 zts30512, zts30515 ztw30512, ztw30515 1 convection[?1 models] 2 convection[other models] 3 forced air(500 r /min)[?1 models] 4 forced air(500 r /min)[other models] 2 free datasheet http:///
436 7. cleaning ? cleaning is possible by below listed conditions. cleaning method ? during cleaning to drying (the condition that cleaning liquid is soaked into the ink of name plate), do not touch on the surface of name plate. ? after cleaning, dry them enough. 8. soldering ? flow soldering : 260a less than 15 seconds. ? soldering iron : 450a less than 5 seconds. 9. input /output pin ? when too much stress is applied on the input/output pins of the unit, the internal connection may be weakened. as below fig. 9.1, avoid applying stress of more than 9.8n(1kgf) on the pins horizontally and more than 19.6n(2kgf) vertically. ? when additional stress is expected to be put on the input/output pins because of vibration or impacts, fix the unit on pcb (using silicone rubber or fixing fittings) to reduce the stress onto the input/output pins. fig. 9.1 stress onto the pins n zt1r5 ? zt3 no. classification 1 2 3 4 cleaning agents cleaning method liquid temp. pine alpha stC100s(arakawa chemical co.) clean through 750h(kao corporation) ipa asahiklin akC225aes(asahi glass co.) varnishing or ultra sonic wave less than 60?c period within 5 minutes within 2 minutes C varnishing,ultra sonic wave, vapor water type solvent type less than 9.8n(1kgf) less than 9.8n(1kgf) less than 19.6n(2kgf) a part a free datasheet http:///
437 10. peak current (pulse load) ? it is possible to supply the pulse current for the pulse load by connecting the capacitor externally at the output side. ? the average current iav of output is shown in below formula. ? the required electrolytic capacitor c is found by below formula. n zt1r5 ? zt3 iav = is + (iop - is)t t c = (iop - iav)t ? vo free datasheet http:///

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