IP1206PBF datasheet(9/30 Pages) IRF

9 / 30 page

2/26/2008

www.irf.com

iP1206PbF

Fig. 4a: Power Loss vs. Input Voltage

Fig. 4b: Power Loss vs. Output Voltage

Fig. 4c: Power Loss vs. Switching Frequency

Fig. 4d: Power Loss vs. Output Inductor

1.00

1.08

1.16

1.24

1.32

1.40

1.48

1.56

1.64

1.72

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Output Inductance (µH)

0.0

2.2

4.4

6.6

8.8

11.0

13.2

15.4

17.6

19.8

VI = 12.0V

VO = 1.5V

IOUT = 30A

FSW = 300KHz

TBLK = 125ºC

200

250

300

350

400

450

500

550

600

Switching Frequency (KHz)

TYPICAL OPERATING CHARACTERISTICS

Fig. 5 Maximum Duty Cycle vs. Switching Frequency

0.80

0.90

1.00

1.10

1.20

1.30

1.40

1.50

1.60

0.8

1.5

2.2

2.9

3.6

4.3

5.0

5.7

Output Voltage (V)

-4.5

-2.3

0.0

2.3

4.5

6.8

9.0

11.3

13.5

VI = 12.0V

IOUT = 30A

FSW = 300KHz

LO = 1µH

TBLK = 125ºC

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

200

300

400

500

600

Switching Frequency (kHz)

-4.3

-2.2

0.0

2.2

4.3

6.5

8.7

10.8

VI = 12.0V

VO = 1.5V

IOUT = 30A

LO = 1µH

TBLK = 125ºC

0.80

0.90

1.00

1.10

1.20

1.30

1.40

1.50

1.60

1.70

101112

1314

Input Voltage(V)

-5.6

-2.8

0.0

2.8

5.6

8.4

11.1

13.9

16.7

19.5

VO = 1.5V

IO = 30A

FSW = 300KHz

LO = 1µH

TBLK = 125ºC

IP1206PBF Datasheet(PDF) 9 Page - International Rectifier

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