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
EN60950
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
A
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EU
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PEE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: +44(0)1384-842211
Facsimile: +44(0)1384-843355
A
AM
MEER
RIIC
CA
AS
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. ve
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. SENSE
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
A
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