IRDC3899-P1V2

12/8/2011

12

Fig.18: Power loss versus load current

Fig.17: Efficiency versus load current

TYPICAL OPERATING WAVEFORMS

Vin=12.0V, Vo=1.2V, Io=0-9A, Room Temperature, no air flow

76

78

80

82

84

86

88

90

0.9

1.8

2.7

3.6

4.5

5.4

6.3

7.2

8.1

9

Iout(A)

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

0.9

1.8

2.7

3.6

4.5

5.4

6.3

7.2

8.1

9

Iout(A)