north america: 1-888-41-astec europe (uk): 44(0)1384-84221 asia (hk): 852-2437-9662 special features electrical specs special features 300 watts bm80a electrical specs ? 300w continuous power at 85c baseplate temperature ? 54w/in3 (3.3w/cm3) ? high efficiency - 83% at full rated output ? 1mhz fixed frequency ? low output ripple and noise ? excellent transient response ? safety isolated low voltage interface with alptm linear control ? high reliability - over 1 million hours mtbf ? wide input voltage range ? parallelable with accurate current sharing operating temperature (baseplate): -20c to +85c storage temperature: -40c to +105c overtemperature protection: 90c typical mtbf:> 1 million hours (50c baseplate) ul ul 1950 csa csa22.2-234 e132002 csa22.2-950 lr53982c vde iec950 20396-3336-1005 & 1006 en 60950 ce cemark (lvd) input input range 180 to 400 vdc or 36 to 72 vdc efficiency 83% typical (5v @ 60a) control voltage adjust 80 to 120% vo enable ttl compatible (low to enable) current limit adjust 20 to 100% io clock input (external sync) 3.3 to 5.5vp-p @ 1mhz 10% clock output (internal clock) 4.5vp-p typical @ 1mhz 0.5% power good/identification high (vo) = power good. temperature monitor output 10 mv/k (2.73v = 0c) current monitor output 0 to 1ma (1 ma = 100% io rated) over voltage protection adjust 110 to 150% vo linear programming output load regulation 0.1% typical down to no load line regulation 0.02% typical noise/ripple 50mv typical remote sense up to 0.5v output voltage adjust range 20% of nominal output transient response 3% typical deviation with 250s recovery (25-75% full load) current share accuracy 3% typical overvoltage protection 115% vo (nominal) current limit 110% io max notes nominal values apply with sense pins connected and other control pins unconnected. specifications subject to change without notice. special features environmental safety total power: 300 watts input voltages: 48v or 300v no. of outputs: single astec integrated power
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(0)1384-842211 facsimile: +44(0)1384-843355 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 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 ordering information input output output model number input output output model number voltage voltage current voltage voltage current 300v 5v 60a bm80a-300l-050f60 48v 5v 60a BM80A-048L-050F60 300v 3.3v 70a bm80a-300l-033f70 48v 3.3v 70a bm80a-048l-033f70 300v 2.2v 75a bm80a-300l-022f75 300v 2.2v 85a bm80a-300l-022f85 300v 3.3v 90a bm80a-300l-033f90 input output control pins 31. +ve 21. 1. +sense 32. Cve 22. 2. temp mon 23. 3. c mon 24. 4. c share 26. 5. clk out 27. 6. clk in 28. 7. pg/id 29. 8. c lim adj 9. ovp adj 10. v adj 11. enable 12. Csense dimensions connection example for a 400w dual output power supply using bm80a 300w and al60a 100w modules pin assignments 5v @ 60a + sense sense + o/p o/p + i/p i/p 6 7 1 12 + sense sense + o/p o/p + i/p i/p 5 4 1 8 l n e 12v @ 9a c lim adj v adj v adj bm80a al60a + + clk out clk in thermal base plate * 2 input pins 12 control pins 8 output pins 116.8 (4.60) 61.0 (2.40) 29 12 1 28 27 26 24 23 22 21 6 7 32 31 ampss power module 12.7 (0.50) load + sense sense c share 7 1 12 + sense sense c share 1 12 clk out 6 clk in + o/p o/p 7 6 parallel connections bm80a astec integrated power
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