Ericsson Internal
ESECZHW
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/E4 Uen
6
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 394 R5D October 2013
PKB 4000 series
DC/DC converters, Input 36-75 V, Output 30 A/90 W
SEC/D (Betty Wu)
EZYPING
2009-8-5
A
© Ericsson AB
1.0 V/30 A Typical Characteristics
PKB 4318N PINB
Efficiency
Power Dissipation
[%]
90
[W]
8
6
4
2
36 V
48 V
53 V
75 V
85
80
75
36 V
48 V
53 V
75 V
70
0
0
0
6
12
18
24
30 [A]
6
12
18
24
30 [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
[A]
30
[°C/W]
12
3.0 m/s
24
18
12
6
9
6
3
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
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]
1.50
1.04
1.20
0.90
0.60
0.30
0.00
1.02
1.00
0.98
0.96
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
0
5
10
15
20
25 [A]
15
21
27
33
39
45 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
