Ericsson Internal
PRODUCT SPECIFICATION
12 (14)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 640 1421+ Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2007-8-24
F
+3.3V, 1.5A / +5V, 1.4A / 12W Dual, Typical
Characteristics
PKR 4128B SI
Efficiency
Power Dissipation
70
75
80
85
90
95
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6 [A]
[%]
36 V
48 V
53 V
75 V
0.0
0.4
0.8
1.2
1.6
2.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6 [A]
[W]
36 V
48 V
53 V
75 V
Efficiency vs. load current and input voltage at Tref = +25°C
Dissipated power vs. load current and input voltage at
Tref = +25°C
Output Power Derating
Thermal Resistance
0.0
3.0
6.0
9.0
12.0
15.0
0
20
406080
100
[°C]
[W]
Nat. Conv.
1.0m/s
6
8
10
12
14
16
18
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
[°C/W]
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 1 Characteristics Output 1 Cross Regulation
Output 2 Cross Regulation Output 2 Characteristics
VI = 53 V
0.0
0.4
0.8
1.2
1.6
0.0
0.4
0.8
1.2
1.6
[A] IO 2
[A] IO 1
VI = 53 V
0.0
0.4
0.8
1.2
1.6
0.0
0.4
0.8
1.2
1.6
2.0
[A] IO 2
[A] IO 1
Output voltage vs. load current at Tref = +25°C
E
PKR 4000B series
DC/DC converters, Input 36-75 V, Output up to 5 A/15 W
EN/LZT 146 301 R6D September 2007
Ericsson Power Modules AB
Technical Specication
15