north america (usa): 1-888-41-astec europe (uk): 44 (1384) 842-211 asia (hk): 852-2437-9662 1 special features electrical specs special features 9 amps ? high efficiency (91% typical) ? industry standard package 2.4" x 2.28" x 0.5" ? remote sense compensation ? basic insulation ? no load requirement input input range 36 to 75 vdc input surge 100v /100ms efficiency 91%@28v typ output output regulation (line, load, temp) <0.5% ripple 200mv pp max noise 240mv pp max remote sense +/-10% of vo transient response 25% ionom step from 50%ionom. 3%vo max, 500s (di/dt =0.1a/s) overvoltage protection 32.2v to 39.2v (latch) current limit 9.9a to 12.6a (auto-recovery) overtemperature protection auto-recovery switching frequency 250khz control voltage adjust 80 to 110% enable positive & negative enable options thermal derating the module can deliver up to full power at 50c ambient, vin: 48v, with 0.5m/sec forced air. operating ambient temp: -40c to +70c overtemperature protection mtbf: 2 million hours ul, csa , tuv environmental total power: 250w input voltages: 48v no. of outputs: single safety astec industry standard AEH09R48N high efficiency half brick rev02: oct. 2004
e u r o p e astec house, waterfront business park merry hill, dudley west midlands, dy5 1lx, uk telephone: 44 (1384) 842-211 facsimile: 44 (1384) 843-355 a m e r i c a 5810 van allen way carlsbad, ca 92008 telephone: 760-930-4600 facsimile: 760-930-0698 2 ordering information www.astecpower.com asia units 2111-2116, level 21 tower1, metroplaza 223, hing fong road fwai fong, new territories hong kong telephone: 852-2437-9662 facsimile: 852-2402-4426 input output output efficiency model number voltage voltage current 48v 28v 9a 91% typ AEH09R48N notes: ?n? = negative logic enable (without ?n? = positive logic enable) pin assignments AEH09R48N notes: 1. all specifications subject to change without notice. mechanical drawings are for reference only. 2. technical reference notes should be consulted for detailed information when available. astec industry standard rev 02: oct. 2004 single output 1. +vin 2. cnt 3. case 4. -vin 5. +vo 6. + sense 7. trim 8. - sense 9. - vo l: pin length optional, dependent on the device code suffix. 6: 3.8mm, 8: 2.8mm, 7: 5.8mm. default: 5mm.
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