Data Sheet

December 12, 2008

SW/SC001/003 Series DC-DC Power Module:

18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current

6

Characteristic Curves

The following figures provide typical characteristics for the SW001A0C91 (15.0V, 1A) at 25ºC. The figures are

identical for either positive or negative Remote On/Off logic.

70

72

74

76

78

80

82

84

86

88

90

0

0.2

0.4

0.6

0.8

1

TIME, t (5ms/div)

Figure 1. Converter Efficiency versus Output

Current.

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

negative logic version shown.

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0

102030405060708090

100

110

3.0 m/ s(600 f t ./ min.)

2.0 m/ s(400 f t ./ min.)

1.0 m/ s(200 f t ./ min.)

Nat ural Convect ion

TIME, t (1ms/div)

Figure 2. Derating Output Current versus Local

Ambient Temperature and Airflow.

Figure 5. Transient Response to Dynamic Load Change

from 50% to 75% to 50% of full load.

TIME, t (1

μs/div)

TIME, t (500

μs/div)

Figure 6. Typical Start-Up Output Voltage Rise

Characteristic.