E
ESHUHAN
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
5 (26)
Prepared (also subject responsible if other)
2/1301-BMR 655
Technical Specification
Uen
2009-2-18
EN/LZT 146
377
R3J
June
2012
© Ericsson AB
Rev
Reference
8
PKB4000C series
Direct
Converters
SEC/D (Betty Wu)
EZHEWNG
Input
36-75
V, Output up to
60
A /
144
W
1.2 V/60 A Typical Characteristics
Output Current Derating – Open frame
[A]
60
50
40
30
20
10
0
0
20
40
60
80
100 [ °C]
3.0 m/ s
2.0 m/ s
1.5 m/ s
1.0 m/ s
Nat. Conv.
H
PKB 4718LC PI
Available load current vs. ambient air temperature and airflow at
V
I
= 53 V. See Thermal Consideration section.
Output Current Derating – Base Plate
[A]
60
3.0 m/s
2.0 m/s
Thermal Resistance – Base plate
[°C/W]
10
8
6
4
2
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
[m/s]
45
30
1.5 m/s
1.0 m/s
Nat. Conv.
15
0
0
20
40
60
80
100
120 [°C]
Available load current vs. ambient air temperature and airflow at
V
I
= 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.
ERICSSON [ ERICSSON ]
