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

11

The following figures provide typical characteristics for the SC003A0A91 (5.0V, 3A) 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

0

0.5

1

1.5

2

2.5

3

TIME, t (5ms/div)

Figure 31. Converter Efficiency Vs Load.

Figure 34. Typical Start-Up Using Remote On/Off,

negative logic version shown.

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

102030405060708090

100

110

3.0 m/ s (600 ft./min.)

2.0 m/ s (400 ft./min.)

1.0 m/ s (200 ft./min.)

Nat ural Convect ion

TIME, t (1.0ms/div)

Figure 32. Derating Output Current versus Local

Ambient Temperature and Airflow.

Figure 35. Transient Response to Dynamic Load

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

TIME, t (1

μs/div)

TIME, t (100

μs/div)

Figure 36. Typical Start-Up Output Voltage Rise

Characteristic.