Ericsson Confidential
EXUEFYA
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/24 Uen
15
Technical Specification
Approved
Checked
Date
Rev
EN/LZT 146 3R9e4feRre4nAceSep 2008
PKB 4000 series
SEC/D (Julia You)
ECHWANG 2008-5-21
A
© Ericsson Power Modules AB
DC/DC converters, Input 36-75 V, Output 30 A/90 W
2.5 V/25 A Typical Characteristics
PKB4619 PINB
Efficiency
Power Dissipation
[W]
10
[%]
95
90
85
80
75
8
6
4
2
0
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
70
0
5
10
15
20
25 [A]
[A]
25
0
5
10
15
20
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]
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
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
0
[°C]
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. VI = 53 V.
Output Characteristics
Current Limit Characteristics
[V]
[V]
2.60
3.50
2.55
2.50
2.45
2.40
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
2.50
1.50
0.50
0
5
10
15
20
25 [A]
25
27
29
31
33
35
37
39 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
