Data Sheet
March 26, 2008
EUK240 Series Power Modules; DC-DC converters
36 – 60Vdc input; 9.6Vdc Output; 240W
Characteristic Curves
The following figures provide typical characteristics for EUK240S9R0 at T
A
= 25
O
C
5
INPUT CURRENT, I
IN
(A)
4
Io = 20.5A
3
2
1
0
30
35
40
45
50
55
60
Io = 0A
INPUT VOLTAGE, V
IN
(V)
V
On/off
(V) (2V/div)
Io = 10.25A
O
UTPUT VOLTAGE
ON/OFF VOLTAGE
V
O
(V) (5V/div)
TIME, t (5 ms/div)
Figure 1. Typical Input characteristics at room
temperature .
100
Vin = 36V
95
Figure 4. Typical Start-Up Characteristics from
Remote ON/OFF.
OUTPUT VOLTAGE
OUTPUT CURRENT
V
O
(V) (200 mV/div)
I
O
(A) (5A/div)
EFFICIENCY,
η
(%)
90
85
80
75
70
0
5
10
15
20
25
30
35
Vin = 48V
Vin = 60V
OUTPUT CURRENT, I
O
(A)
TIME, t (20
μs/div)
Figure 2. Typical Converter Efficiency versus
Output Current at room temperature.
Vin = 36V
Figure 5. Transient Response to a Dynamic Load
Change from 50% to 75% 50% of full load.
8
OUTPUT VOLTAGE, V
O
(V)
OUTPUT RIPPLE VOLTAGE
7
6
5
4
3
2
1
0
33
33.5
34
34.5
35
Io = 0A
V
O
(V) (50mV/div)
Vin = 48V
Io = 10.25A
Io = 20.5A
Vin = 60V
TIME, t (2
μs/div)
INPUT VOLTAGE, V
in
(V)
Figure 3. Output ripple voltage at full load and
minimum, nominal and maximum input voltage.
Figure 6. Typical Output Voltage start up vs. Input
Voltage Characteristic at Room Temperature.
LINEAGE
POWER
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
