Ericsson Internal
EGLANDY
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/64 Uen
12
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 394 R4A Sep 2008
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
SEC/D (ALICE SU)
ESECZHW
2008-6-19
A
© Ericsson Power Modules AB
1.8 V/25 A Typical Characteris tics
PKB 4418 PINB
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
5
10
15
20
25 [A]
0
5
10
15
20
25 [A]
Dissipated power vs. load current and input voltage at
Efficiency vs. load current and input voltage at Tref = +25°C
Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
30
[°C/W]
10
3.0 m/s
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. Conv.
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0 [m/s]
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
V = 53 V. See Thermal Consideration section.
I
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section. V = 53 V.
I
Output Characteristics
Current Limit Characteristics
[V]
[V]
1.90
2.50
2.00
1.50
1.00
0.50
0.00
1.85
1.80
1.75
1.70
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
15
20
25
30
35
40 [A]
0
5
10
15
20
25 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
