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LW025F

LW025 Single-Output-Series Power Modules: 36 Vdc to 75 Vdc Inputs; 25 W

Tyco Electronics 

LW025 Single-Output-Series Power Modules:

36 Vdc to 75 Vdc Inputs; 25 W

Characteristics Curves (continued)

Advance Data Sheet

March 1999

78

76

74

72

70

68

VI = 36 V

66

VI = 48 V

VI = 75 V

64

62

60

0.4 0.9 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9

OUTPUT CURRENT, IO (A)

8-2478(C)

Figure 5. LW025F Typical Converter Efficiency vs.

Output Current

2.5A

1.25A

TIME, t (100 µs/div)

8-1261(C).c

Figure 7. LW025A, F Typical Output Voltage for a

Step Load Change from 50% to 25%

85

80

75

VI = 36 V

70

VI = 48 V

VI = 75 V

65

60

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

OUTPUT CURRENT, IO (A)

8-1984(C)

Figure 6. LW025A Typical Converter Efficiency vs.

Output Current

3.75 A

2.5 A

TIME, t (100 µs/div)

8-1262(C)

Figure 8. LW025A, F Typical Output Voltage for a

Step Load Change from 50% to 75%

6

Tyco Electronics Corp.

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