Ericsson Internal
EJUNGYA
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
2/1301-BMR 636 01/A4 Uen
6
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 382 R1A June 2007
PKB 4717 PINB
DC/DC converters, Input 36-75 V, Output 10.5 A/75 W
SEC/D (LINDA ZHONG)
2007-5-15
A
© Ericsson Power Modules AB
7.2 V/10.5 A Typical Characteristics
PKB 4717 PINB
Efficiency
Power Dissipation
[%]
95
[W]
10
8
6
4
2
0
90
85
80
75
36 V
48 V
53 V
75 V
36 V
48 V
53 V
75 V
70
0
0
2
4
6
8
10
12 [A]
2
4
6
8
10
12 [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]
12
[°C/W]
10
3.0 m/s
10
8
8
6
4
2
0
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
6
4
2
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
[°C]
100
0
20
40
60
80
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.
Output Characteristics
Current Limit Characteristics
[V]
[V]
8.00
7.30
7.25
6.00
36 V
36 V
48 V
53 V
75 V
48 V
53 V
75 V
7.20
7.15
7.10
4.00
2.00
0.00
0
2
4
6
8
10
12 [A]
5
8
11
14
17 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
ERICSSON [ ERICSSON ]
