(1/4) 002-02 / 20040525 / ea33_br_ifa.fm ? all specifications are subject to change without notice. dc to dc converters distributed power supplies for systems, insulation type full brick type ifa series power supply systems for infrastructure devices used in communi- cation networks primarily use brick-type dc to dc converters. some parts of these devices require mid output voltage and power. we have developed a lineup of full brick types to meet these requirements. features wide input voltage range (dc.36(partial: 37v) to 75v or dc.18 to 36v) our lineup includes products for outputs of 12v and 28v at 420w, 500w and 600w high efficiency: 90 to 91% the heat sink can be installed (depend on an environmental condition). remote on-off function output voltage external variable function remote sensing function parallel operation various protective functions product identification (1) type name ifa: full brick type (2) rated input voltage (3) output current (4) output voltage (5) option code 000: standard (13 pins for the ?power good? signal, pin length: 3.68mm) 001: 13 pins for the ?power good? signal, pin length: 2.79mm 002: 13 pins for the ovp signal, pin length: 3.68mm 003: 13 pins for the ovp signal, pin length: 2.79mm part numbers and ratings ifa 48 042a 120v - (1) (2) (3) (4) (5) output voltage(v) current(a) part no. 12 42 ifa48042a120v 12 50 ifa48050a120v 28 18 ifa48018a280v 28 21 ifa48021a280v 28 15 ifa24015a280v
(2/4) 002-02 / 20040525 / ea33_br_ifa.fm all specifications are subject to change without notice. specifications and standards ? 1 verify the rated current (maximum output current) because this involves derating. ? 2 applies only to the primary surge. the power supply does not have an input fuse, so make sure to install an external fuse when using this product. ? 3 load step from 50 to 75% of io max. with at least one 10f ceramic capacitor and one 470f low esr aluminum or tantalum capaci tor across the output terminals. part no. ifa48042a120v ifa48050a120v ifa24015a280v ifa48018a280v ifa48021a280v rated output voltage and current ? 1 12v 42a 12v 50a 28v 15a 28v 18a 28v 21.4a maximum output power w 504 600 420 504 600 input conditions input voltage edc v 36 to 75 [continuation] 37 to 75 [continuation] 18 to 36 [continuation] 36 to 75 [continuation] 36 to 75 [continuation] transient input voltage v 100[100ms] 100[100ms] 50[100ms] 100[100ms] 100[100ms] input current a 16max. 18max. 26.5max. 16max. 20max. inrush transient ? 2 a 2 s 1max. 1max. 1max. 1max. 1max. efficiency % 91typ. 90typ. 90typ. 91typ. 90.5typ. output characteristics output voltage edc v 12 12 28 28 28 voltage adjustment range % ?40 to +10 ?40 to +10 ?40 to +10 ?40 to +10 ?40 to +10 maximum output current a 42 50 15 18 21.4 minimum output current a 7.35 0.5 0.15 3.2 3.75 output voltage initial setting % 1.8max. 3max. 3max. 1.8max. 1.8max. overvoltage protection v 14.6typ. 13.8 to 15.2 31.9 to 35.5 34.2typ. 34.2typ overcurrent protection a 45typ. 55typ. 17typ. 20typ. 24typ. voltage stability line regulation mv 24max.(12typ.) 24max.(12typ.) 56max.(28typ.) 56max.(28typ.) 56max.(28typ.) load regulation mv 24max.(12typ.) 24max.(12typ.) 56max.(28typ.) 56max.(28typ.) 56max.(28typ.) temperature regulation mv 100max.(50typ.) 100max.(50typ.) 300max.(100typ.) 300max.(100typ.) 300max.(100typ.) dynamic response ? 3 mv 450typ. 650typ. 500typ. 450typ. 450typ. ripple noise ep-p mv 150max. 200max. 300max. 250max. 250max. start up time ms 40typ. 35typ. 55typ. 55yp. 55typ. auxiliary functions overvoltage protection yes(shut-down type) overcurrent protection yes(automatic recovery) power good yes over-temperature protection yes(automatic recovery) remote on-off yes remote sensing yes parallel operation impossible output voltage adjustment yes master slave operation no standards safety standards ul60950 and vde0805 approved. en60950 approved. constructions external dimensions mm 12.7 61.0 116.8[h w l] weight g 250max. mounting method mounted from the terminal side (soldered). oscillating method fixed frequency oscillating frequency khz 200typ. 350typ. 155typ. 175typ. 175typ.
(3/4) 002-02 / 20040525 / ea33_br_ifa.fm all specifications are subject to change without notice. shapes and dimensions terminal designations and functions 1 on/off(+) the output can be turned on/off externally. 2 on/off(?) the output can be turned on/off externally. 3 +vin dc input terminal (+) 4 ?vin dc input terminal (?) 5 ?vout dc output terminal (?) 6 ?vout dc output terminal (?) 7 ?vout dc output terminal (?) 8 +vout dc output terminal (+) 9 +vout dc output terminal (+) 10 +vout dc output terminal (+) 11 not present not present 12 aux out auxiliary power terminal for external signal 13 pwr good output for converter operation alarm 14 cb terminal for output current balancing 15 trim the output voltage can be varied by an external resistor. 16 +sense remote sensing terminal (+) 17 ?sense remote sensing terminal (?) 114.3 29.21 35.56 6.35 8.89 12.70 22.86 7.62 116.8 61.0 106.68 7.62 3.81 58.4 50.80 29.21 25.40 15.24 5.08 ? 1.02 6 pins ? 2.03 8 pins m3 0.5 threaded inserts 4 places 12.8 3.68 0.50 5.1 5.1 top view bottom view 29.21 35.56 6.35 8.89 12.70 22.86 7.62 5.1 106.68 5.1 7.62 3.81 50.80 29.21 25.40 15.24 5.08 1 2 3 4 9 10 8 7 6 5 dimensions in mm 12 13 14 15 16 17 top view
(4/4) 002-02 / 20040525 / ea33_br_ifa.fm all specifications are subject to change without notice. output power-ambient temperature (derating) maximum output current vs. ambient temperature(ta) ifa48042a120v wind direction: best orientaion, vin=48v ifa24015a280v wind direction: best orientaion, vin=24v ifa48021a280v wind direction: best orientaion, vin=48v (please inquire for other models.) tc temperature measurement point and wind direction nc: natural cooling=0.3m/s(60lfm) common specifications 25 35 45 55 65 75 85 95 105 115 10 20 30 40 50 output current ( a ) temperature ( ?c ) nc 0.5m/s ( 100lfm ) 1.0m/s ( 200lfm ) 2.0m/s ( 400lfm ) 3.0m/s ( 600lfm ) max. ims < 200lfm max. ims > 200lfm 30 40 50 60 70 80 90 100 110 120 130 5 6 7 8 9 10 11 12 13 14 15 16 output current ( a ) temperature ( ? c ) nc 0.5m/s ( 100lfm ) 1.0m/s ( 200lfm ) 2.0m/s ( 400lfm ) 3.0m/s ( 600lfm ) max. ims 1m/s max. ims 1m/s 25 35 45 55 65 75 85 95 5 10 15 20 25 output current ( a ) temperature ( ? c ) 200lfm 400lfm best orientation airflow worst orientation airflow thermal measurement location 72.6 25.4 input output dimensions in mm temperature and humidity temperature range operating( c) 40 to +110[temperature at the measurement point in the above drawing] storage( c) 55 to +125[ambient temperature of the power supply] humidity range operating(%)rh 10 to 85[without dewing] storage(%)rh vibration and shock vibration 5 to 50hz acceleration: 0.5g 50 to 500hz acceleration: 1.5g shock acceleration 50g[half sine wave, 3 directions] pulse duration 6ms withstand voltage withstand voltage input terminal to output terminal dc.1.5kv[1min, normal temperature, normal humidity, cutout current 10ma]
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