special features electrical specs 100 watts ak60a ? high efficiency - up to 88% ? 500 khz fixed frequency ? 100c baseplate operating temperature (with no derating) ? low output ripple and noise ? excellent transient response ? high reliability - over 1 million hours mtbf ? wide input voltage range ? ttl compatible enable control ? adjustable output voltage ? overtemperature and short circuit protection operating temperature (baseplate): -40c to +100c storage temperature: -55c to +105c overtemperature protection: 110c typical mtbf: > 1 million hours (50c baseplate) ul ul 1950 e182206 csa csa22.2-234 lr53982c csa22.2-950 vde iec950 en 60950 ce cemark (lvd) input input range 18 to 36 vdc efficiency 83% typical (5v @ 20a) 88% typical (12v @ 8.3a) output load regulation 0.2% typical line regulation 0.2% typical noise/ripple 150 mv typical (output below 5v) 3% typical (output 5v and over) remote sense up to 0.5v output voltage adjust range 10% of nominal output transient response 10% max deviation with (25-75% full load) 500s (max) recovery overvoltage protection 130% nominal vo 160% nominal vo (2.2v) 140% nominal vo (3.3v) current limit 115% io max control voltage adjust 90 to 110% vo enable ttl compatible (low to enable) environmental total power: 100 watts input voltages: 24v no. of outputs: single safety astec integrated power americas (usa): 1-888-41-astec europe (uk): 44 (1384) 842-211 asia (hk): 852-2437-9662 48 w9959_02_dcdc_001-073_73 2/8/02 3:38 pm page 48
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 output output model number voltage voltage current 24v 2.2v 20a ak60a-024l-022f20g 24v 3.3 20a ak60a-024l-033f20g 24v 5v 20a ak60a-024l-050f20g 24v 12v 8.3a AK60A-024L-120F08G 24v 15v 6.7a ak60a-024l-150f07g 24v 24v 4.2a ak60a-024l-240f04g please contact astec for information on other output voltages, power ranges and configurations. input output control pins 31. +ve 22. +ve 1. +sense 32. Cve 23. +ve 2. rsv 24. +ve 3. v adj 26. -ve 4. -sense 27. -ve 5. s com 28. -ve 6. c.share 7. enable 8. clk in notes: nominal values apply with sense pins connected and other control pins unconnected. specifications subject to change without notice. pin assignments ak60a astec integrated power load +sense sense 1 4 +o/p o/p 3 2 5 6 8 7 output voltage adjust enable (close to enable) +i/p -i/p 18 to 36v or 36 to 72v 49 www.astec.com w9959_02_dcdc_001-073_73 2/8/02 3:38 pm page 49
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