Data Sheet
EUE Series DC-DC Power Modules:
March 19, 2009
42-55/42-58Vdc Input; 12Vdc Output; 200/120W
Characteristic Curves (continued)
The following figures provide typical characteristics for the EUE120B1 (12.0V, 10A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
3.5
3
2.5
Io=12A
2
1.5
1
Io=6A
Io=0A
0.5
0
35
40
45
50
55
60
INPUT VOLTAGE, VIN (V)
TIME, t (5 ms/div)
Figure 9. Typical Input Characteristic at Room
Temperature.
Figure 12. Typical Start-Up Using Remote On/Off,
negative logic version shown.
100
95
90
Vin=58V
85
Vin=48V
80
Vin=42V
75
70
0
2
4
6
8
10
12
TIME, t (500μs/div)
OUTPUT CURRENT, Io (A)
Figure 10. Typical Converter Efficiency Vs. Output
current at Room Temperature.
Figure 13. Typical Transient Response to Step increase
in Output Load from 5.3A to 8.1A at Room Temperature
and 48 Vdc Input; Co,ext = 370 µF.
42 Vin
48 Vin
58 Vin
TIME, t (1μs/div)
TIME, t (500μs/div)
Figure 11. Typical Output Ripple and Noise at Room Figure 14. Typical Transient Response to Step
Temperature and Po = 120W.
decrease in Output Load from 8.1A to 5.3A at Room
Temperature and 48 Vdc Input; Co,ext = 370 µF.
LINEAGE POWER
7