Ericsson Internal
EGUHAIL
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/14 Uen
18
Technical Specification
Approved
Checked
Date
Rev
EN/LZT 146 3R9e4feRre4nAceSep 2008
PKB 4000 series
SEC/D (Julia You)
ESECZHW
2008-9-4
B
© Ericsson Power Modules AB
DC/DC converters, Input 36-75 V, Output 30 A/90 W
3.3 V/20A Typical Characteristics
PKB 4610 PINB
Efficiency
Power Dissipation
[%]
95
[W]
10
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
4
8
12
16
20 [A]
0
4
8
12
16
20 [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
[°C/W]
10
[A]
20
3.0 m/s
16
12
8
8
6
4
2
0
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
4
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
VI = 53V. 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.
Output Characteristics
Current Limit Characteristics
[V]
[V]
4.00
3.35
3.20
2.40
1.60
0.80
0.00
3.33
3.31
3.29
3.27
3.25
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
10
14
18
22
26
30 [A]
0
4
8
12
16
20 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
