special features electrical specs 15 watts ak42a dual ? surface mount ? high power density 15w/cu. in. ? full power capability without external heat sink ? input differential and common mode filtering ? hot insertable with inrush current limit ? ability to limit inrush current in an external input capacitor ? input undervoltage lockout with hysteresis ? output overvoltage protection ? remote shutdown ? loadsharing on dual outputs operating ambient temperature range: -40 to +75 c (no derating) cooling method: convection mtbf: 7.5 mhrs storage temperature: -55 to +125 c ul 1950 iec 950 csa c22.2-9.50 cb 52719-106 input input range: 36 to 75 vdc for 48v 18 to 36 vdc for 24v maximum inrush current limit: 1.0 a max. maximum external capacitor to limit inrush current to 1.0 a: 4.0mf low input shutdown: 34.0 +/- 2.0 v for 48v 17.0v +/- 1.0v for 24 v auto recovery: 37.0v +/- 2.0 v for 48v 18.5v +/- 1.0 v for 24v hysteresis: 3 v +/- 1 v for 48v 1.5v +/- 0.5v for 24v efficiency: 85% enable: open circuit or up to 0.5v max. disable: 4v min., 75v max. output voltage tolerance: 3% for single output 5% for dual output noise/ripple: 75mv rms max. output voltage adjust range: 10% for single output dual output non adjustable output voltage protection self-limiting clamp, 140% max. short circuit protection continuous auto start switching frequency: 200khz nominal environmental total power: 15 watts input voltages: 48v, 24 vdc no. of outputs: dual safety astec conventional power americas (usa): 1-888-41-astec europe (uk): 44 (1384) 842-211 asia (hk): 852-2437-9662 68 w9959_02_dcdc_001-073_73 2/8/02 3:56 pm page 68 end of life see website for alternate parts
europe astec house, waterfront business park merry hill, dudley west midlands, dy5 1lx, uk telephone: 44 (1384) 842-211 facsimile: 44 (1384) 843-355 americas 5810 van allen way carlsbad, ca 92008 telephone: 760-930-4600 facsimile: 760-930-0698 ordering information 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 voltage output 1 output 2 maximum model number voltage voltage power dual output- 15 watts total output power 18-36 3.3v 2.5v 13.2w/10w ak42a-024l-033d025sm 18-36 5v 3.3v 15w/13.2w ak42a-024l-050d033sm 36-75 3.3v 2.5v 13.2w/10w AK42A-048L-033D025SM 36-75 5v 3.3v 15w/13.2w ak42a-048l-050d033sm dual output 1. nc 2. v out 1 3. v out 1 4. v out 1 5. v out 1 6. v out 2 7. v out 2 8. v out 2 9. v out 2 10. gnd 11. gnd 12. gnd 13. gnd 14. gnd 15. reserved 16. +v in 17. +v in 18. cap 19. cap inrush - consult trn 20. cap inrush - consult trn 21. cap inrush - consult trn 22. cap inrush - consult trn 23. cap inrush - consult trn 24. cap inrush - consult trn 25. cap inrush - consult trn 26. reserved / nc 27. shutdown 28. -v in 29. -v in 30. -v in maximum weight: dual output: 30 grams notes: 1. all specifications are typical at nominal input and full load unless otherwise noted. 2. specification subject to change without notice. 3. mechanical drawings for reference only. 4. minimum load: 0.2 a (min 15%). 5. max. capacitive load: 330 m. 6. warranty: 1 yr pin assignments ak42a astec conventional power derating curve (t ref <105oc) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 20 30 40 50 60 70 80 90 100 110 ambient temperature (oc) t ref between pins 26&27 output power/max. rated output power free convection (50lfm) 200lfm 400lfm 600lfm notes: 1. all dimensions in mm and (inches) 2. basic tolerances: .x 0.05 (0.02) .xx 0.25 (0.010) 3.18 (0.125) 12.70 max (.500) 47.90 (1.886) 49.12 (1.934) 50.8 (2.00) 35.43 (1.395 6.34 (0.250) 1.27 ref (0.050) 2.54 typ (0.100 38.10 (1.500) 39.6 30.63 (1.56) (1.206) 2.97 (0.117) 2.54 typ (0.100) 48.01 (1.890) 3.56 typ (0.140) 1.27 typ (0.050) 30 16 15 1 69 www.astec.com \nnwnb7x%x%bb90bg6g6tt7crcb7tt6.wzt=tt=tzn end of life see website for alternate parts
|
