BMR4540000/001 Ericsson Power Modules, BMR4540000/001 Datasheet - Page 8

• Manufacturer Part Number: BMR4540000/001
• Description: DC/DC Converters & Regulators 12V 20A 240W Bus Converter
• Manufacturer: Ericsson Power Modules

Specifications of BMR4540000/001

• Output Power: 240 W
• Input Voltage Range: 36 V to 75 V
• Output Voltage (channel 1): 12 V
• Output Current (channel 1): 20 A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

E
Prepared (also subject responsible if other)
EGUHAIL
Approved
SEC/D (Julia You)
3.3 V, 40 A / 132 W Electrical Specification
Efficiency
Output Current Derating, open frame
Thermal Resistance, base plate option
BMR454 series Fully regulated Intermediate Bus Converters
Input 36-75 V, Output up to 40 A / 240 W
[%]
1 00
40
35
30
25
20
15
10
[°C/W]
10
[A]
95
90
85
80
5
0
8
6
4
2
0
0,0
0
Efficiency vs. load current and input voltage at T
Available load current vs. ambient air temperature and airflow at
V
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per
the Thermal consideration section. V
0
I
= 53 V. See Thermal Consideration section.
0,5
5
20
1 0
1,0
1 5
40
1,5
20
60
25
2,0
I
30
= 53 V
2,5
80
35
3,0 [m/s]
ref
40 [A ]
= +25C
100
Checked
EYIZJIA
[°C]
36 V
48 V
53 V
75 V
3.0 m/s
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat.
Con v.
Ericsson Confidential
PRODUCT SPECIFICATION
No.
2/1301-BMR 454 Uen
Date
2010-07-19
Power Dissipation
Output Current Derating, base plate option
[W]
16
14
12
10
[A]
40
35
30
25
20
15
10
8
6
4
2
0
5
0
0
0
Dissipated power vs. load current and input voltage at
T
Available load current vs. ambient air temperature and airflow at
V
ref
I
= 53 V. See Thermal Consideration section.
= +25°C
5
20
10
Technical Specification
EN/LZT 146 404 R4B May 2011
© Ericsson AB
Rev
D
15
40
20
60
25
Reference
30
80
35
BMR 454 0002/003
100 [°C]
40 [A]
3.0 m/s
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat.
Con v.
36 V
48 V
53 V
75 V
4 (21)
8