PKB ꢃꢂ1ꢅ PINB - Typical Characteristics
Efficiency
Output Current Derating
[%]
95
[A]
7,5
90
6,0
3.0 m/s (600 lfm)
2.5 m/s (500 lfm)
2.0 m/s (400 lfm)
1.5 m/s (300 lfm)
85
4,5
38 V
48 V
53 V
75 V
1.0 m/s (200 lfm)
80
75
70
3,0
Nat. Conv.
1,5
0,0
[A]
[°C]
100
0,0
1,5
3,0
4,5
6,0
7,5
0
20
40
60
80
Efficiency vsꢀ load current and input voltage at TPcb = +25 °C
Available load current vsꢀ ambient air temperature and air-
flow at VI = 53 Vꢀ DC/DC converter mounted vertically with
airflow blowing from output pins toward input pinsꢀ
Thermal Resistance
Power Dissipation
[W]
12
[ºC/W]
10
38 V
48 V
53 V
75 V
10
8
8
6
6
4
4
2
2
0
0,0
0
[A]
7,5
1,5
3,0
4,5
6,0
0,0
0,5
1,0
1,5
2,0
2,5
3,0
[m/s]
Thermal resistance vsꢀ airspeed measured at the converterꢀ
Tested in windtunnel with airflow and test conditions as per
the Thermal consideration sectionꢀ
Dissipated power vsꢀ load current and input voltage at
TPcb = +25 °C
Output Characteristic
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Output voltage vsꢀ load current at TPcb = +25 °C, VI = 53 Vꢀ
PKB 4000 Datasheet
EN/LZT 146 033 R10A ©Ericsson Power Modules, May 2007
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