north america (usa): 1-888-41-astec europe (uk): 44 (1384) 842-211 asia (hk): 852-2437-9662 44 special features electrical specs 150 watts bk60c-40 high efficiency ? high efficiency, 5v@89% ? -40c to 100c baseplate operating temperature (no derating) ? positive and negative enable function ? low output ripple and noise ? high capacitive load limit on start-up ? remote sense compensation ? regulation to zero load ? fixed frequency switching (300 khz) operating temperature (baseplate): -40c to +100c storage temperature: -55c to +105c overtemperature protection: 110c typical mtbf: >1 million hours input input range 36-75 vdc input surge 100v / 100ms efficiency 89% @ 3.3v (typ) output load regulation 10mv typical down to no load (output below 5v) line regulation 10mv typical (outpt below 5v) ripple and noise 200mv p-p max) remote sense up to 0.5v output voltage adjust range 20% of nominal output transient response 10% max deviation with 25% to 75% full load (output 5v and above) 200mv overvoltage protection 130% nominal output (output 5v and above) 160% nominal outpt (2.2v output) 140% nominal output (3.3v output) current limit 115% maximum output control voltage adjust 90 to 110% enable ttl compatible (positive & negative enable options) notes: 1. nominal values apply with sense pins connected and other control pins unconnected. 2. specifications subject to change without notice. environmental total power: 150 watts input voltages: 48v no. of outputs: single ul ul 1950 can22.2-950 tuv en60950 safety astec industry standard
e e u u r r o o p p e 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 a m m e e r r i i c c a a s s 5810 van allen way carlsbad, ca 92008 telephone: 760-930-4600 facsimile: 760-930-0698 45 ordering information www.astec.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 efficiency model number voltage voltage 48v 1.8v @ 40a 81% min bk60c-048l-018f40h 48v 2.5v @ 40a 84% min bk60c-048l-025f40h 48v 3.3v @ 40a 86% min bk60c-048l-033f40h notes: efficiency is measured at full load and tc=70 deg c "n" added to suffix = negative enable (omit suffix for positive enable (default)) case material: metal base, plastic cover weight: 2.75 oz / 78 grams single output 1. -vin 2. case 3. enable (on/off) 4. +vin 5. -5v rtn 6. - sense 7. trim 8. + sense 9. +out notes: 1. 20 mhz bandwidth. an external 2.2 mf ceramic capacitor is recommended to be placed from +v out to -v out. 2. requires a 2.2 mf, 100v film 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 spec- ifications. 3. all specifications are typical at nominal line, full load, and 25c 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. warranty: 1 yr pin assignments bk60c-40 astec industry standard 2.3 0 1.900 bottom view .20 min. .5 0 [58.4] [48.26] note 1 [12.7 ] [5.0] .600 [15.24] 1.400 [35.56] 2.000 [50.80] 2.40 [61.0] 1 2 3 4 5 6 7 8 9 mounting inserts m3 x .5 (4 places)
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