FDMS8680 datasheet(12/34 Pages) TI1

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0.560

0.570

0.580

0.590

0.600

0.610

0.620

0.630

0.640

−2.0

−1.5

−1.0

−0.5

0.0

0.5

1.0

1.5

2.0

VTT Current (A)

VVDDQ = 1.2 V

100

0.001

0.01

0.1

100

VDDQ Output Current (A)

VIN = 20 V

VIN = 12 V

VIN = 8 V

VVDDQ = 1.5 V

RMODE = 200 kΩ

0.710

0.720

0.730

0.740

0.750

0.760

0.770

0.780

0.790

−2.0

−1.5

−1.0

−0.5

0.0

0.5

1.0

1.5

2.0

VTT Current (A)

VVDDQ = 1.5 V

0.635

0.645

0.655

0.665

0.675

0.685

0.695

0.705

0.715

−2.0

−1.5

−1.0

−0.5

0.0

0.5

1.0

1.5

2.0

VTT Current (A)

VVDDQ = 1.35 V

0.650

0.655

0.660

0.665

0.670

0.675

0.680

0.685

0.690

0.695

−10

−5

VTTREF Current (mA)

VVDDQ = 1.35 V

0.580

0.585

0.590

0.595

0.600

0.605

0.610

0.615

0.620

−10

−5

VTTREF Current (mA)

VVDDQ = 1.2 V

TPS51916

SLUSAE1D – DECEMBER 2010 – REVISED JUNE 2012

www.ti.com

TYPICAL CHARACTERISTICS (continued)

Figure 19. VTTREF Load Regulation

Figure 20. VTTREF Load Regulation

Figure 21. VTT Load Regulation

Figure 22. VTT Load Regulation

Figure 23. VTT Load Regulation

Figure 24. Efficiency

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