Ericsson Internal
EZYPING
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/34 Uen
27
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)
ESECZHW
2009-2-9
B
© Ericsson AB
5.0 V/15 A Typical Characteristics
PKB4711 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
3
6
9
12
15 [A]
0
3
6
9
12
15 [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]
18
[°C/W]
10
3.0 m/s
15
12
9
8
6
4
2
0
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
6
3
0
0
20
40
60
80
100
[°C]
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
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]
5.10
5.50
5.05
5.00
4.95
4.90
36 V
48 V
53 V
75 V
4.50
3.50
2.50
1.50
0.50
36 V
48 V
53 V
75 V
0
3
6
9
12
15 [A]
12
15
18
21
24 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
