BMR4540000/001 Ericsson Power Modules, BMR4540000/001 Datasheet - Page 20

• 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
12 V, 20 A / 240 W Typical Characteristics
Efficiency
Output Current Derating, open frame
Thermal Resistance, base plate option
Prepared (also subject responsible if other)
EGUHAIL
Approved
SEC/D (Julia You)
BMR454 series Fully regulated Intermediate Bus Converters
Input 36-75 V, Output up to 40 A / 240 W
[%]
100
[°C/W]
10
95
90
85
80
[A]
25
20
15
10
8
6
4
2
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
5
0
0.0
I
= 53 V. See Thermal Consideration section.
0
0
0.5
20
5
1.0
40
1.5
10
60
2.0
I
= 53 V
15
2.5
80
P1
3.0 [m/s]
20 [A]
= +25C
100 [°C]
Checked
EYIZJIA
3 .0 m/s
2 .0 m/s
1 .5 m/s
1 .0 m/s
0 .5 m/s
N at.
C onv.
36 V
48 V
53 V
75 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]
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
P1
I
= 53 V. See Thermal Consideration section.
= +25°C
20
5
Technical Specification
EN/LZT 146 404 R4B May 2011
© Ericsson AB
Rev
D
40
10
60
Reference
15
80
BMR 454 0004/005
100 [°C]
20 [A]
3 .0 m/s
2 .0 m/s
1 .5 m/s
1 .0 m/s
0 .5 m/s
N at.
C onv.
16 (21)
36 V
48 V
53 V
75 V
20