Data Sheet

March 19, 2009

EUE Series DC-DC Power Modules:

42-55/42-58Vdc Input; 12Vdc Output; 200/120W

5

Characteristic Curves

The following figures provide typical characteristics for the EUE200B1 (12.0V, 17A) at 25ºC. The figures are identical

for either positive or negative Remote On/Off logic.

0

1

2

3

4

5

6

35

40

45

50

55

Io=22A

Io=11A

Io=0A

TIME, t (5 ms/div)

Figure 1. Typical Input Characteristic at Room

Temperature.

Figure 4. Typical Start-Up Using Remote On/Off,

negative logic version shown.

80

82

84

86

88

90

92

94

96

0

5

10

15

20

25

Vin=42V

Vin=48V

Vin=55V

TIME, t (500

μs/div)

Figure 2. Typical Converter Efficiency Vs. Output

current at Room Temperature.

Figure 5. Typical Transient Response to Step increase

in Output Load from 5A to 10A at Room Temperature

and 48 Vdc Input.

TIME, t (1

μs/div)

TIME, t (500

μs/div)

Figure 3. Typical Output Ripple and Noise at Room

Figure 6. Typical Transient Response to Step decrease

in Output Load from 10A to 5A at Room Temperature

and 48 Vdc Input.

48 Vin

53 Vin

42 Vin