Ericsson Internal
E
EMAOLII
PRODUCT SPECIFICATION
6 (29)
Prepared (also subject responsible if other)
No.
2/1301-BMR 456 Uen
10
Technical Specification
BMR456 series Fully regulated AdvCahneckceed d Bus Converters
Approved
Date
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
SEC/D (Julia You)
EZHIXZH
2013-02-06
E
© Ericsson AB
Input 36-75 V, Output up to 39 A / 468 W
Typical Characteristics
9.0 V, 35 A / 315 W
BMR 456 0004/004
Output Current Derating – Open frame
[A]
40
3.0 m/s
35
30
25
20
15
10
5
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat. Conv.
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[A]
40
[°C/W]
6
3.0 m/s
35
30
25
20
15
10
5
5
4
3
2
1
0
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat. Conv.
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Base plate + Heat sink
Output Current Derating – Cold wall sealed box
[A]
35
A
40
35
30
3.0 m/s
30
2.0 m/s
1.5 m/s
25
20
15
10
5
25
Tamb 8 5°C
1.0 m/s
0.5 m/s
20
15
10
5
Na t. Conv.
0
0
0
20
40
60
80
100 [°C]
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
ERICSSON [ ERICSSON ]
