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PKB4000 Datasheet, PDF (15/46 Pages) Ericsson – DC/DC converters, Input 36-75 V, Output 30 A/90 W
E
Ericsson Internal
PRODUCT SPECIFICATION
Prepared (also subject responsible if other)
No.
EGLANDY
2/1301-BMR 636T0e1c/6h4nUiceanl Specification
Approved
Checked
Date
Rev
Reference
SPEKCB/D4(0A0L0ICsEeSriUe)s
ESECZHW 2008-6-19
EAN/LZT 146 394 R5D October 2013
DC/DC converters, Input 36-75 V, Output 30 A/90 W
© Ericsson AB
3 (5)
15
1.8 V/25 A Typical Characteristics
Efficiency
[%]
95
90
85
36 V
48 V
80
53 V
75 V
75
70
0
5
10
15
20
25 [A]
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
[A]
30
25
20
15
10
5
0
0
20
40
60
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
N at. Conv .
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Characteristics
[V]
1.90
1.85
1.80
1.75
1.70
0
5
10
15
20
25 [A]
Output voltage vs. load current at Tref = +25°C
36 V
48 V
53 V
75 V
Power Dissipation
PKB 4418 PINB
[W]
10
8
6
36 V
4
48 V
53 V
2
75 V
0
0
5
10
15
20
25 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Thermal Resistance
[°C /W]
10
8
6
4
2
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 [m/s]
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.
Current Limit Characteristics
[V]
2.50
2.00
1.50
1.00
0.50
0.00
15
20
25
30
35
40 [A]
36 V
48 V
53 V
75 V
Output voltage vs. load current at IO > max IO , Tref = +25°C