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
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: +44(0)1384-842211
Facsimile: +44(0)1384-843355
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
BM80A
Ordering Information
ORDERING INFORMATION
Input
Voltage
300V
300V
300V
300V
300V
Output
Voltage
5V
3.3V
2.2V
2.2V
3.3V
Output
Current
60A
70A
75A
85A
90A
Model Number
BM80A-300L-050F60
BM80A-300L-033F70
BM80A-300L-022F75
BM80A-300L-022F85
BM80A-300L-033F90
Input
Voltage
48V
48V
Output
Voltage
5V
3.3V
Output
Current
60A
70A
Model Number
BM80A-048L-050F60
BM80A-048L-033F70
L
Pin Assignments
Input
31. +ve
32. –ve
Output
21.
22.
23.
24.
26.
27.
28.
29.
Control Pins
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
+SENSE
TEMP MON
C MON
C SHARE
CLK OUT
CLK IN
PG/ID
C LIM ADJ
OVP ADJ
V ADJ
ENABLE
–SENSE
+
N
E
BM80A
+ I/P
+ O/P
CLK OUT
6
7
1
+ SENSE
5V @ 60A
– SENSE
– I/P
C LIM ADJ
V ADJ
12
– O/P
+
+ I/P
AL60A
+ O/P
4
1
+ SENSE
CLK IN
5
8
– SENSE
12V @ 9A
V ADJ
– I/P
– O/P
THERMAL BASE PLATE
*
C SHARE
12.7
(0.50)
+ O/P
1
CLK OUT
6
+ SENSE
Load
2 INPUT PINS
8 OUTPUT PINS
12 CONTROL PINS
7
12 – SENSE
– O/P
AMPSS
®
POWER MODULE
Astec Integrated Power
32
61.0 (2.40)
7
6
12
1
29
28
27
26
24
23
22
21
C SHARE
CLK IN
6
7
1
+ SENSE
31
12 – SENSE
116.8 (4.60)
Parallel Connections
Dimensions
Connection example for a 400W dual output power supply using
BM80A 300W and AL60A 100W modules
www.astec.com
