Astec Integrated Power
300 Watts
BM80A
Total Power:
Input Voltages:
No. of Outputs:
300 Watts
48V or 300V
Single
Electrical Specs
Input
Input Range
Efficiency
180 to 400 VDC or 36 to 72 VDC
83% typical (5V @ 60A)
Control
Voltage Adjust
Enable
Current Limit Adjust
Clock Input (external sync)
Clock Output
(internal clock)
Power Good/Identification
Temperature
Monitor Output
Current Monitor Output
Over Voltage
Protection Adjust
80 to 120% Vo
TTL compatible (low to enable)
20 to 100% Io
3.3 to 5.5Vp-p @ 1MHz ± 10%
4.5Vp-p typical @ 1MHz ± 0.5%
High (Vo) = power good.
10 mV/°K (2.73V = 0°C)
0 to 1mA (1 mA = 100% Io rated)
110 to 150% Vo linear programming
Special Features
• 300W Continuous power at 85°C 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
Output
Load Regulation
Line Regulation
Noise/Ripple
Remote sense
Output Voltage
Adjust Range
Transient Response
Current Share Accuracy
Overvoltage Protection
Current Limit
0.1% typical down to no load
0.02% typical
50mV typical
Up to 0.5V
±20% of nominal output
3% typical deviation with 250µs
recovery (25-75% full load)
3% typical
115% Vo (nominal)
110% Io max
Environmental
Operating temperature (baseplate):
-20°C to +85°C
Storage temperature: -40°C to +105°C
Overtemperature protection: 90°C typical
MTBF:> 1 million hours (50°C baseplate)
Notes
Nominal values apply with sense pins connected and other control
pins unconnected.
Specifications subject to change without notice.
Safety
UL
UL 1950
CSA
CSA22.2-234
E132002
CSA22.2-950
LR53982C
VDE
IEC950 20396-3336-1005 & 1006
EN60950
CE
CEMark (LVD)
North America: 1-888-41-ASTEC
Europe (UK): 44(0)1384-84221
Asia (HK): 852-2437-9662
ASTEC [ Astec America, Inc ]
