313 process yellow 3405 1797 1375 116 2607 652 242 2985 375 240 embedded power for business-critical continuity aeh25 series 300 watts special features ? industry standard half brick baseplate design ? low output ripple and noise ? high capacitive load limit on start-up ? regulation to zero load ? fixed requency switching ? industry standard features: input uvlo, ocp, ovp, otp; output adjust, differential remote sense, on/off enable ? meets basic insulation ? eu directive 2002/95/ec compliant for rohs total power : 300 watts (12 v @ 25 a) input voltage: 48 v # of outputs: single electrical specifications safety input input range: 36-75 vdc input surge: 100 v / 100 ms efficiency: 93% @ 12 v (typical) output regulation: (line, load, temp) < 2% ripple and noise 1 : 120 mv (typical) remote sense: up to 10% vout output voltage adjust range: 10% of nominal output transient response: 180 mv typical output deviation 25% step change 300 s recovery time overvoltage protection: 115% nominal output overcurrent protection: 116% lo nominal isolation voltage: 1500 vdc control enable: ttl compatible (positive or negative enable logic control options) ul, cul 60950-1 recognized tuv en60950-1 licensed ? ? rev. 3.4.09_179 aeh25 series 1 of 2 operating temperature: -40 c to +100 c baseplate storage temperature: -55 c to +125 c overtemperature protection: 110 c typical mtbf: > 1 mission hours environmental specifications
rev. 3.4.09_179 aeh25 series 2 of 2 mechanical drawing ordering information input voltage output voltage output current efficiency 2 model number 36 v to 75 v 12 v 25 a 93% aeh25b48(n)-6c(l) 36 v to 75 v 12 v 25 a 93% aeh25b48n-5cl notes: efficiency values taken at nominal input, full load condition, 25 c ambient temperature options: (n) : n = designates negative logic enable (default is positive with no suffix n required) (l) : l = rohs compliant (rohs 6) / blank = rohs compliant with lead (pb) in solder exemption (rohs 5) - - -5cl = rohs compliant (rohs 6), 4.5mm nominal pin length embedded power for business-critical continuity 313 process yellow 3405 1797 1375 116 2607 652 242 2985 375 240 pin assignments pin number function pin 1 +vin pin 2 enable (on/off) pin 3 case (aeh) pin 4 -vin pin 5 - output pin 6 - sense pin 7 trim pin 8 + sense pin 9 + output notes: 1. measured at 20 mhz bandwidth with external 10uf tantalum in parallel with 0.1uf/50v-7r ceramic capacitor placed across the output. 2. all specifications are typical at nominal line, full load, and 25c unless otherwise noted. 3. all specifications subject to change without notice. mechanical drawings are for reference only. 4. technical reference notes should be consulted for detailed information when available. 5. warranty: 1yr americas 5810 van allen way carlsbad, ca 92008 usa telephone: +1 760 930 4600 facsimile: +1 760 930 0698 europe (uk) waterfront business park merry hill, dudley west midlands, dy5 1lx united kingdom telephone: +44 (0) 1384 842 211 facsimile: +44 (0) 1384 843 355 asia (hk) 14/f, lu plaza 2 wing yip street kwun tong, kowloon hong kong telephone: +852 2176 3333 facsimile: +852 2176 3888 for global contact, visit: www.powerconversion.com techsupport.embeddedpower @emerson.com while every precaution has been taken to ensure accuracy and completeness in this literature, emerson network power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. emerson network power and the emerson network power logo are trademarks and service marks of emerson electric co. ?2008 emerson electric co. emersonnetworkpower.com embedded computing embedded power monitoring outside plant power switching & controls precision cooling racks & integrated cabinets services surge protection emerson network power. the global leader in enabling business-critical continuity. ac power connectivity dc power
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