IP2005APBF datasheet(6/18 Pages) IRF

6 / 18 page

PD-60325

iP2005APbF

Typical Performance Curves

2/8/2008

www.irf.com

Figure 3 Normalized Power Loss vs. Input Voltage

Figure 4 Normalized Power Loss vs. Output Voltage

0.96

0.98

1.00

1.02

1.04

1.06

1.08

1.10

1.12

1.14

1.16

1.18

1.20

0.8

1.3

1.8

2.3

2.8

3.3

Output Voltage (V)

-0.9

-0.5

0.0

0.5

0.9

1.4

1.9

2.3

2.8

3.3

3.7

4.2

VIN = 12.0V

VDD = 5.0V

IOUT = 40A

FSW = 1MHz

LOUT = 300nH

TBLK = 125ºC

0.90

0.92

0.94

0.96

0.98

1.00

1.02

1.04

1.06

1.08

1.10

Input Voltage (V)

-2.4

-1.9

-1.4

-1.0

-0.5

0.0

0.5

1.0

1.4

1.9

2.4

VDD = 5.0V

VOUT = 1.3V

IOUT = 40A

FSW = 1MHz

LOUT = 300nH

TBLK = 125ºC

Figure 5 Normalized Power Loss vs. Inductance

Figure 6 Normalized Power Loss vs. Switching Frequency

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

250

500

750

1000

1250

1500

Switching Frequency (kHz)

-10.0

-7.5

-5.0

-2.5

0.0

2.5

5.0

7.5

VIN = 12.0V

VDD = 5.0V

VOUT = 1.3V

IOUT = 40A

LOUT = 300nH

TBLK = 125ºC

0.96

0.97

0.98

0.99

1.00

1.01

1.02

1.03

1.04

1.05

1.06

1.07

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

Output Inductance (µH)

-1.0

-0.7

-0.5

-0.2

0.0

0.2

0.5

0.7

1.0

1.2

1.4

1.7

VIN = 12.0V

VDD = 5.0V

VOUT = 1.3V

IOUT = 40A

FSW = 1MHz

TBLK = 125ºC

Figure 7 VDD Supply Current vs. Switching Frequency

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