usa: 1-888-41-astec europe (uk): +44(0)1384-842211 asia (hk): 852-2437-9662 152 special features ideal for telecom/networking applications high efficiency unencapsulated 2.0 x 2.0 x 0.50 package. integral heat spreader available 100 c baseplate temperature enable (on/off) thermal protection 350khz switching frequency under voltage lockout environmental operating case temperature range: -40 c +100 c storage temperature: -40 c to +125 c humidity: 5% to 100% safety ul ul1950 can can22.2-950 tuv en60950 electrical specifications input input range ............................ 9-18vdc (12vdc nominal) 18-36 vdc (24 vdc nominal) 36 - 75vdc (48vdc nominal) input capacitance .................. 2 f typical input reverse voltage ............. fuse recommended protection input surge voltage ................ 100v for 100ms (048l) 50v for 100ms (024l) 36v for 100ms (012l) input reflected ripple ............. <10ma (p-p) see note 2 undervoltage lockout ............ vin<32v (-048l only) efficiency ............................... 82% typical output voltage tolerance .................. main output 1.0% aux output 3.0% dual output 2.0% line regulation ....................... main output 0.1% aux output 0.5% dual output 0.2% load regulation ..................... main output 0.75% aux output 3.0% dual output 0.5% (10% to 100% load) note 6. noise/ripple ........................... 50mv p-p, singles 100mvp-p, dual , triple short circuit protection .......... continuous power cycle overvoltage protection .......... 120% of v 0 , typ transient response ................ 2% vo typ; recovery <500 sec typ (25% step load change to within 1%v o ) temperature coefficient ......... 0.2%/ c switching frequency .............. 350khz contr ol enable ................................... on =2.5 to 5.5vdc or open circuit off = 0 to 0.8vdc ref. to -vin. ttl compatable input current (enable off) .... <10ma output trim ............................ single output models thermal shutdown ................ 110 c baseplate temperature (typ) auto reset isolation i/o isolation ........................... 1500vdc isolation resistance ............... 15 x 10 8 ohms notes all specifications are typical at nominal line, full load and 25 c unless otherwise stated. specifications subject to change without notice. aa25n 25 watts total power 25 w atts input voltages 12v , 24v , 48v # of outputs single , dual, t riple aa25n series "in c ludes 5v/ 3.3v dual output model" load sharing
www.astec.com americas 5810 van allen way carlsbad, ca 92008 telephone: 760-930-4600 facsimile: 760-930-0698 153 d c d c p o w e r europe astec house, waterfront business park merry hill, dudley west midlands, dy5 1lx, uk telephone:+44(0)1384-842211 facsimile:+44(0)1384-843355 asia 6f., cdw building 382-392 castle peak road tsuen wan, n.t., hong kong telephone: 852-2437-9662 facsimile: 852-2402-4426 ordering information input output 1 output 2 output 3 output model number vdc voltage voltage voltage power 9-18 5v @ 4.5a 22.5w aa25n-012l-050s 9-18 5v @ 2.5a -5v @ 2.25a 22.5w aa25n-012l-050d 9-18 12v @ 1.04a -12v @ 1.04a 25w aa25n-012l-120d 9-18 15v @ 0.83a -15v @ .83a 25w aa25n-012l-150d 18-36 3.3v @ 6a 19.8w aa25n-024l-033s 18-36 5v @ 5a 25w aa25n-024l-050s 18-36 12v @ 2.08a 25w aa25n-024l-120s 18-36 15v @ 1.67a 25w aa25n-024l-150s 18-36 5v @ 2.5a -5v @ 2.5a 25w AA25N-024L-050D 18-36 12v @ 1.04a -12v @ 1.04a 25w aa25n-024l-120d 18-36 15v @ 0.83a -15v @ 0.83a 25w aa25n-024l-150d 18-36 5v @ 2.5a 12v @ .52a -12v @ .52a 25w aa25n-024l-050t120 18-36 5v @ 2.5a 15v @ .42a -15v @ .42a 25w aa25n-024l-050t150 36-75 3.3v @ 6a 19.8w aa25n-048l-033s 36-75 5v @ 5a 25w aa25n-048l-050s 36-75 12v @ 2.14a 25w aa25n-048l-120s 36-75 15v @ 1.67a 25w aa25n-048l-150s 36-75 5v @ 2.5a -5v @ 2.5a 25w aa25n-048l-050d 36-75 5v @ 5a 3.3v @ 6a *25w aa25n-048l-050d033 (note 7) 36-75 12v @ 1.04a -12v @ 1.04a 25w aa25n-048l-120d 36-75 15v @ 0.83a -15v @ 0.83a 25w aa25n-048l-150d 36-75 5v @ 2.5a 12v @ 0.52a -12v @ 0.52a 25w aa25n-048l-050t120 36-75 3.3v @ 3a 12v @ 0.62a -12v @ 0.62a 25w aa25n-048l-033t120 36-75 3.3v @ 3a 15v @ 0.5a -15v @ 0.5a 25w aa25n-048l-033t150 * max output power not to exceed 25w total. the sum of output currents not to exceed 6 amps. any output loading ratio within the maximum specified limits is possible. aa25n pin assignments notes 1. 20 mhz bandwidth. an external 2.2 f ceramic capacitor is recommended to be placed from +v out to -v out. 2. 12v and 24v input models require external capacitor connected between +v in and -v in to meet fcc class a and ets300-386-1 requirements for conducted noise. consult factory for filtering information to meet fcc class b , vde or eic specifications. 3. all specifications are typical at nominal line, full load, and 25 c unless otherwise noted. 4. all specifications subject to change without notice. mechanical drawings are for reference only. 5. please refer to the technical reference notes for more information. 6. balanced loads on dual and aux output voltage. 7. this model includes trim feature and unique pin assignments. contact factory. dimensions case material: metal base/cover weight: 2.5 oz / 68gr. rev 12.29.98 2.0 (50.8) .10 (2.54) .90 (22.86) .40 (10.16) 2.00 (50.8) 1.80 (45.72) 1 2 4 6 7 8 .040 (1.01) dia. typ. .20 (5.0) min. .52 (13.2) 3 5 .015 (.38) min. .40 (10.16) 2.00 (50.8) .40 (10.16) .40 (10.16) .40 (10.16) dual output 1. +vin 2. -vin 3. no pin 4. enable 5. v1 out 6. comm 7. v2 out 8. n/c single output 1. +vin 2. -vin 3. no pin 4. enable 5. no pin 6. v1 out 7. comm 8. trim triple output 1. +vin 2. -vin 3. no pin 4. enable 5. v2 out 6. v1 out 7. comm 8. v3 out
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