E
EMAOLII
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
4 (21)
Prepared (also subject responsible if other)
2/1301-BMR 454
Technical Specification
Uen
Rev
Reference
8
EN/LZT 146
404
R7A
March
2013
BMR454 series
SEC/D (Julia You)
Fully regulated Intermediate Bus Converters
F
SECSUND
2011-07-15
Input 36-75 V, Output up to
40
A / 240 W
© Ericsson AB
3.3 V, 40 A / 132 W Electrical Specification
Efficiency
[%]
1
00
95
90
85
80
0
5
1
0
1
5
20
25
30
35
40 [A ]
BMR 454 0002/003
Power Dissipation
[W]
16
14
12
36 V
48 V
53 V
75 V
10
8
6
4
2
0
0
5
10
15
20
25
30
35
40 [A]
36 V
48 V
53 V
75 V
Efficiency vs. load current and input voltage at T
ref
= +25C
Dissipated power vs. load current and input voltage at
T
ref
= +25°C
Output Current Derating, open frame
[A]
40
35
30
25
20
15
10
5
0
0
20
40
60
80
100
[°C]
Output Current Derating, base plate option
[A]
40
35
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat.
Con v.
3.0 m/s
3.0 m/s
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat.
Con v.
30
25
20
15
10
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
V
I
= 53 V. See Thermal Consideration section.
Available load current vs. ambient air temperature and airflow at
V
I
= 53 V. See Thermal Consideration section.
Thermal Resistance, base plate option
[°C/W]
10
8
6
4
2
0
0,0
0,5
1,0
1,5
2,0
2,5
3,0 [m/s]
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per
the Thermal consideration section. V
I
= 53 V
ERICSSON [ ERICSSON ]
