(1/4) 002-02 / 20040524 / ea33_br_iqa.fm ? all specifications are subject to change without notice. dc to dc converters distributed power supplies for systems, insulation type quarter brick type iqa series power supply systems for infrastructure devices used in communi- cation networks primarily use brick-type dc to dc converters. as the voltage used for lsis continues to drop, power supplies are expected to provide lower output, higher efficiencies, and lower noise levels. to meet these demands, we have developed quarter brick types that are smaller in size, produce low output voltage, and provide two outputs. features wide input voltage range (dc.36 to 75v) low output voltage products with two outputs are available. high efficiency: 87.5%(5.0 and 3.3v outputs) heat sink is not required. remote on-off function output voltage external variable function various protective functions each output can be controlled independently. flexible current distribution between the two outputs product identification (1) type name iqa: quarter brick type (2) rated input voltage (3) output current (4) output voltage(the higher of the voltages of the two outputs) (5) multi-output (6) option code 001: standard(negative on/off logic, pin length: 3.68mm, variable output: variable independently) 000: positive on/off logic, pin length: 3.68mm, variable output: variable independently 002: positive on/off logic, pin length: 3.68mm, variable output: both outputs are variable simultaneously. 003: negative on/off logic, pin length: 3.68mm, variable output: both outputs are variable simultaneously. 004: positive on/off logic, pin length: 2.79mm, variable output: variable independently 005: negative on/off logic, pin length: 2.79mm, variable output: variable independently 006: positive on/off logic, pin length: 2.79mm, variable output: both outputs are variable simultaneously. 007: negative on/off logic, pin length: 2.79mm, variable output: both outputs are variable simultaneously. the first number in the three digit option code for iqa48024a033m-1 is ?1?. part numbers and ratings iqa 48 015a 050 m - (1) (2) (3) (4) (5) (6) output voltage(v) current(a) part no. 2.5/1.8 24 iqa48024a025m 3.3/1.8 24 iqa48024a033m?1 3.3/2.5 24 iqa48024a033m?0 2.5/1.8 15 iqa48015a025m 3.3/2.5 15 iqa48015a033m 5.0/3.3 15 iqa48015a050m
(2/4) 002-02 / 20040524 / ea33_br_iqa.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. part no. iqa48015a050m iqa48015a033m iqa48015a025m iqa48024a033m?0 iqa48024a033m?1 iqa48024a025m rated output voltage and current ? 1 5.0/3.3v 15a 3.3/2.5v 15a 2.5/1.8v 15a 3.3/2.5v 24a 3.3/1.8v 24a 2.5/1.8v 24a maximum output power w 75 50 37.5 72 67.5 53.7 input conditions input voltage edc v 36 to 75[continuation]/100[transient 100ms] input current a 3.0max. 3.0max. 3.0max. 3.0max. 3.0max. 3.0max. inrush transient ? 2 a 2 s 0.1 0.1 0.1 0.1 0.1 0.1 efficiency % 87.5typ. 85typ. 85typ. 85typ. 85typ. 83typ. output characteristics output voltage 1 edc v 5 3.3 2.5 3.3 3.3 2.5 output voltage 2 edc v 3.3 2.5 1.8 2.5 1.8 1.8 voltage adjustment range % ?10 to +10 ?10 to +10 ?10 to +10 ?10 to +10 ?10 to +10 ?10 to +10 maximum output current (total value) a15151524 24 24 maximum output current (each output) a15151515 15 15 minimum output current a 0 0 0 0 0 0 output voltage initial setting % 1.6max. 1.6max. 3max. 1.6max. 1.6max. 3max. independent trim overvoltage protection(v 1 ) v 5.6 to 6.7 ? ? 3.7 to 4.4 ? ? overvoltage protection(v 2 ) v 5.0typ. ? ? 3.3typ. ? ? tracking trim overvoltage protection(v 1 ) v 5.6 to 7.5 3.7 to 5.0 ? 3.7 to 5.0 3.7 to 5.0 ? overvoltage protection(v 2 ) v 3.7 to 5.2 2.9 to 4.0 ? 2.9 to 4.0 2.9 to 4.0 ? overcurrent protection a 17typ. 19typ. 17typ. 29typ. 29typ. 29typ. voltage stability line regulation mv 5max.(2typ.) 5max.(2typ.) 5max.(2typ.) 5max.(2typ.) 5max.(2typ.) 5max.(2typ.) load regulation mv 15max.(5typ.) 15max.(5typ.) 15max.(5typ.) 15max.(5typ.) 15max.(5typ.) 15max.(5typ.) temperature regulation mv 75max.(10typ.) 75max.(10typ.) 75max.(10typ.) 75max.(10typ.) 75max.(10typ.) 75max.(10typ.) dynamic response mv 100typ.[50 to 75%, sudden load change] ripple noise ep-p mv 80max. 80max. 80max. 80max. 80max. 80max. start up time ms 62typ. 62typ. 62typ. 62typ. 62typ. 62typ. auxiliary functions overvoltage protection yes(automatic recovery) overcurrent protection yes(automatic recovery) alarm output no over-temperature protection yes(automatic recovery) remote on-off yes remote sensing no 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 38.1 58.4[h w l] weight g 39typ. mounting method mounted from the terminal side (soldered). oscillating method fixed frequency oscillating frequency khz 280typ. 280typ. 280typ. 280typ. 280typ. 280typ.
(3/4) 002-02 / 20040524 / ea33_br_iqa.fm all specifications are subject to change without notice. shapes and dimensions terminal designations and functions 1 +vin dc input terminal (+) 2 on/off(?) the output can be turned on/off externally (negative logic). 3 ?vin dc input terminal (?) 4+vo 2 dc output terminal2 (+) 5 output rtn dc output terminal (?)(common for vo 1 and vo 2 ) 6vo 1 trim the output voltage can be varied by an external resistor (vo 1 ). 7+vo 1 dc output terminal1 (+) avo 2 trim the output voltage can be varied by an external resistor (vo 2 ). 58.42 50.80 3.81 38.10 30.48 3.81 12.7 3.68 pin 1 ? 1.02 8 pins m3 0.5 threaded inserts 4 places bottom view 50.80 45.09 3.81 15.24 15.24 8.89 8.89 9.53 9.53 3.18 3.18 15.24 1 2 3 7 6 5 4 a dimensions in mm top view
(4/4) 002-02 / 20040524 / ea33_br_iqa.fm all specifications are subject to change without notice. output power-ambient temperature (derating) maximum output current(output1) vs. maximum output current(output2) vs. ambient temperature(ta) ambient temperature(ta) iqa48015a050m iqa48015a050m output 2 represents the output when no load is present. output 1 represents the output when no load is present. wind direction: from pin 3 to pin 1, vin=48v wind direction: from pin 3 to pin 1, vin=48v maximum output current(total value) vs. ambient temperature(ta) iqa48015a050m output 1 and 2 represent the outputs when a balanced load is present. wind direction: from pin 3 to pin 1, vin=48v common specifications temperature and humidity temperature range operating( c) ? 40 to +110[temperature base plate] 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 10hz acceleration: 0.5g 10 to 200hz 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] 20 30 40 50 60 70 80 90 100 0 2 4 6 8 10 12 14 16 io 1 ( a ) , io 2 =0a ambient temperature ( ?c ) nc ( 60lfm ) 100lfm 200lfm 300lfm 400lfm 600lfm 20 30 40 50 60 70 80 90 100 0 2 4 6 8 10 12 14 16 io 2 ( a ) , io 1 =0a ambient temperature ( ? c ) nc ( 60lfm ) 100lfm 200lfm 300lfm 400lfm 600lfm 20 30 40 50 60 70 80 90 100 0 2 4 6 8 10 12 14 16 io=io 1 +io 2 ( a ) , io 1 =io 2 ambient temperature ( ? c ) nc ( 60lfm ) 100lfm 200lfm 300lfm 400lfm 600lfm
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