CSD87331Q3D datasheet(5/21 Pages) TI1

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200

350

500

650

800

950

1100 1250 1400 1550

0.6

0.7

0.8

0.9

1.1

1.2

1.3

1.4

1.5

1.6

−11.4

−8.6

−5.7

−2.9

0.0

2.9

5.7

8.6

11.4

14.3

17.2

Switching Frequency (kHz)

0.6

0.7

0.8

0.9

1.1

1.2

1.3

1.4

1.5

1.6

−11.4

−8.6

−5.7

−2.9

0.0

2.9

5.7

8.6

11.4

14.3

17.1

Input Voltage (V)

0.5

1.5

2.5

3.5

4.5

5.5

0.8

0.9

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

−5.6

−2.8

2.8

5.6

8.4

11.2

14.1

16.9

19.7

22.5

Output Voltage (V)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.1

0.6

0.7

0.8

0.9

1.1

1.2

1.3

1.4

1.5

1.6

−11.2

−8.4

−5.6

−2.8

2.8

5.6

8.4

11.2

14.1

16.9

Output Inductance (µH)

CSD87331Q3D

www.ti.com

SLPS283A

– SEPTEMBER 2011 – REVISED JANUARY 2012

TYPICAL POWER BLOCK DEVICE CHARACTERISTICS (continued)

Test Conditions: VIN = 12V, VDD = 5V, fSW = 500kHz, VOUT = 1.3V, LOUT = 1µH, IOUT = 15A, TJ = 125°C, unless stated

otherwise.

TEXT ADDED FOR SPACING

Figure 6. Normalized Power Loss vs Switching Frequency

Figure 7. Normalized Power Loss vs Input Voltage

TEXT ADDED FOR SPACING

Figure 8. Normalized Power Loss vs. Output Voltage

Figure 9. Normalized Power Loss vs. Output Inductance

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