Ericsson Internal
E
EGUHAIL
PRODUCT SPECIFICATION
9 (26)
Prepared (also subject responsible if other)
No.
2/1301-BMR 655 Uen
12
Technical Specification
Approved
Checked
Date
Rev
EN/LZT 146 3R7e7feRre3nGce
Oct 2008
PKB4000C PI
SEC/D (Julia You)
ESKEVIN
2008-9-23
F
© Ericsson Power Modules AB
DC/DC converters, Input 36-75 V, Output 60A/144W
1.5 V/60 A Typical Characteristics
PKB 4918HC PI
Output Current Derating – Open frame
[A]
60
3.0 m/s
2.0 m/s
50
40
1.5 m/s
30
20
10
0
1.0 m/s
Nat. Conv.
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[A]
60
[°C/W]
10
8
6
4
2
3.0m/s
45
30
15
0
2.0m/s
1.5m/s
1.0m/s
Nat. Conv.
0
[m/s]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
[°C]
120
0
20
40
60
80
100
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.
ERICSSON [ ERICSSON ]
