ACT4012A

- 8 -

www.active-semi.com

Copyright © 2006 Active-Semi, Inc.

Rev PrA, 21-Nov-07

TYPICAL PERFORMANCE CHARACTERISTICS

Load (A)

0.1

0.5

1.1

1.5

70

80

60

85

95

0.1

Load (A)

0.3

0.5

0.7

0.9

100

95

65

55

Efficiency vs. Load

(Circuit of Figure 3, unless otherwise specified.)

Input Voltage (V)

20

0

12

16

20

Shutdown Supply current vs. Input Voltage

25

15

10

5

Load (A)

80

0.1

0.3

0.7

0.9

Surface Temperature vs. Load

1.3

100

60

40

20

Junction Temperature (°C)

1.29

-40

0

40

80

Feedback Voltage vs. Junction Temperature

120

1.30

1.28

1.27

1.26

90

85

80

70

60

1.1

1.3

1.5

90

75

65

0.3

0.7

0.9

1.3

L= 15µH

0.5

1.1

1.5

L= 22µH

Efficiency vs. Load

75

5.0

6

10

14

Output Voltage vs. Input Voltage

20

5.4

4.6

4.2

4.0

5.2

4.8

4.4

12

8

Input Voltage (V)

18

16