Ericsson Internal
ESHUHAN
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/44 Uen
12
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 394 R5D October 2013
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
SEC/D (Julia You)
EQUENXU
2008-4-8
A
© Ericsson AB
1.5V/30 A Typical Characteristics
PKB 4418 PIOANB
Efficiency
Power Dissipation
[%]
95
[W]
10
8
6
4
2
0
90
85
80
75
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
70
0
0
5
10
15
20
25
30 [A]
5
10
15
20
25
30 [A]
Dissipated power vs. load current and input voltage at
ref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
T
Output Current Derating
Thermal Resistance
[A]
35
[°C/W]
10
3.0 m/s
30
25
20
15
10
5
8
6
4
2
0
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat.
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
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.
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 Characteristics
Current Limit Characteristics
[V]
1.60
[V] 1.70
1.60
1.20
0.80
0.40
0.00
36V
48V
53V
75V
36 V
48 V
53 V
75 V
1.50
1.40
1.30
15
20
25
30
35
40
45
50 [A]
0
5
10
15
20
25
30 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
