E
ESECZHW
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
3 (5)
Prepared (also subject responsible if other)
2/1301-BMR 636
Technical Specification
01/E4 Uen
2009-8-5
EN/LZT 146
394 R5D
October
2013
Rev
Reference
6
PKB
4000
Wu)
SEC/D (Betty
series
DC/DC converters,
Input
36-75
V, Output
30
A/90 W
EZYPING
A
© Ericsson AB
1.0 V/30 A Typical Characteristics
Efficiency
[%]
90
PKB 4318N PINB
Power Dissipation
[W]
8
85
36 V
80
48 V
53 V
75
75 V
6
36 V
48 V
53 V
75 V
4
2
70
0
6
12
18
24
30 [A]
0
0
6
12
18
24
30 [A]
Efficiency vs. load current and input voltage at T
ref
= +25°C
Dissipated power vs. load current and input voltage at
T
ref
= +25°C
Output Current Derating
[A]
30
3.0 m/s
Thermal Resistance
[°C/W]
12
2.5 m/s
24
9
6
18
12
6
0
0
20
40
60
80
100 [°C]
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
3
0
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 = 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
[V]
1.04
1.02
1.00
0.98
0.96
0
5
10
15
20
25 [A]
Current Limit Characteristics
[V]
1.50
1.20
36 V
48 V
53 V
75 V
0.90
0.60
0.30
0.00
15
21
27
33
39
45 [A]
36 V
48 V
53 V
75 V
O
utput voltage vs. load current at T
ref
= +25°C
O
utput voltage vs. load current at I
O
> max I
O
, T
ref
= +25°C
ERICSSON [ ERICSSON ]
