E
EJUNGYA
Approved
Ericsson Internal
PRODUCT SPECIFICATION
No.
Checked
Date
3 (5)
Prepared (also subject responsible if other)
2/1301-BMR 636
Technical Specification
01/A4 Uen
2007-5-15
EN/LZT 146
382 R1A June
2007
Rev
Reference
6
PKB
4717 PINB
SEC/D (LINDA ZHONG)
DC/DC converters,
Input
36-75
V, Output
10.5
A/75 W
A
© Ericsson Power Modules AB
7.2 V/10.5 A Typical Characteristics
Efficiency
[%]
95
90
85
80
75
0
PKB 4717 PINB
Power Dissipation
[W]
10
8
36 V
48 V
53 V
75 V
6
4
2
36 V
48 V
53 V
75 V
70
0
2
4
6
8
10
12 [A]
0
2
4
6
8
10
12 [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]
12
10
8
2.0 m/s
3.0 m/s
Thermal Resistance
[°C/W]
10
8
2.5 m/s
6
4
2
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
6
4
2
0
0
20
40
60
80
100 [°C]
1.5 m/s
1.0 m/s
Nat. Conv.
Available load current vs. ambient air temperature and airflow at
V
I
= 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.
Output Characteristics
[V]
7.30
7.25
36 V
7.20
7.15
7.10
0
2
4
6
8
10
12 [A]
48 V
53 V
75 V
Current Limit Characteristics
[V]
8.00
6.00
36 V
4.00
2.00
0.00
5
8
11
14
17 [A]
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 ]
