ELECTRICAL CHARACTERISTICS CURVES

(%)

95

 

 

 

 

 

 

EFFICIENCY

 

 

 

 

 

 

90

18Vin

24Vin

 

36Vin

 

 

 

 

 

 

 

 

85

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

75

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

65

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

55

 

 

 

 

 

 

 

50

 

 

 

 

 

 

 

0.1

2

4

6

8

10

12

OUTPUT CURRENT (A)

Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C.

(W)

5.0

 

 

 

 

 

 

DISSIPATION

4.5

18Vin

 

24Vin

36Vin

 

 

4.0

 

 

 

 

 

 

POWER

 

 

 

 

 

 

3.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.0

 

 

 

 

 

 

 

2.5

 

 

 

 

 

 

 

2.0

 

 

 

 

 

 

 

1.5

 

 

 

 

 

 

 

1.0

 

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

0.0

 

 

 

 

 

 

 

0.1

2

4

6

8

10

12

OUTPUT CURRENT(A)

Figure 2: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25°C.

(A)

1.60

 

 

 

 

CURRENT

1.40

Io=12A

 

Io=7.2A

Io=1.2A

 

 

 

 

INPUT

1.20

 

 

 

 

 

 

 

 

 

 

1.00

 

 

 

 

 

0.80

 

 

 

 

 

0.60

 

 

 

 

 

0.40

 

 

 

 

 

0.20

 

 

 

 

 

0.00

 

 

 

 

 

15

20

25

30

35

INPUT VOLTAGE (V)

Figure 3: Typical input characteristics at room temperature.

Figure 4: Turn-on transient at full rated load current (2 ms/div).

 

Top Trace: Vout (1V/div); Bottom Trace: ON/OFF Control

 

(5V/div).

3

DS_S24SA1R812_05092006

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Image 3
Delta Electronics S24SA manual Electrical Characteristics Curves, Output Current a