Ericsson Internal
PRODUCT SPECIFICATION
3 (14)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 640 1421+ Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2007-8-24
F
1.8V, 5A / 9W Typical Characteristics
PKR 4918B SI
Efficiency
Power Dissipation
70
75
80
85
90
0.00.51.0 1.52.02.53.03.5 4.04.55.0 [A]
[%]
36 V
48 V
53 V
75 V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 [A]
[W]
36 V
48 V
53 V
75 V
Efficiency vs. load current and input voltage at Tref = +25°C
Dissipated power vs. load current and input voltage at
Tref = +25°C
Output Current Derating
Thermal Resistance
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0
1020
3040
5060
7080
90 100 [°C]
[A]
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
0
5
10
15
20
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
[°C/W]
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.
Output Characteristics
Current Limit Characteristics
1.70
1.74
1.78
1.82
1.86
1.90
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 [A]
[V]
36 V
48 V
53 V
75 V
0.0
0.3
0.6
0.9
1.2
1.5
1.8
4.0
4.5
5.0
5.5
6.0
6.5 [A]
[V]
36 V
48 V
53 V
75 V
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
E
PKR 4000B series
DC/DC converters, Input 36-75 V, Output up to 5 A/15 W
EN/LZT 146 301 R6D September 2007
Ericsson Power Modules AB
Technical Specication
6