TPS51216
www.ti.com
SLUSAB9 –NOVEMBER 2010
TYPICAL CHARACTERISTICS (continued)
1.55
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
0.770
RMODE = 200 kΩ
IVDDQ = 0 A
IVDDQ = 20 A
0.765
0.760
0.755
0.750
0.745
0.740
0.735
0.730
VVDDQ = 1.5 V
−5
6
8
10
12
14
16
18
20
22
−10
0
5
10
Input Voltage (V)
VTTREF Current (mA)
Figure 13. Line Regulation
Figure 14. VTTREF Load Regulation
0.695
0.690
0.685
0.680
0.675
0.670
0.665
0.660
0.655
0.650
0.620
0.615
0.610
0.605
0.600
0.595
0.590
0.585
0.580
VVDDQ = 1.35 V
−5
VVDDQ = 1.2 V
−5
−10
0
5
10
−10
0
5
10
VTTREF Current (mA)
VTTREF Current (mA)
Figure 15. VTTREF Load Regulation
Figure 16. VTTREF Load Regulation
0.790
0.715
0.705
0.695
0.685
0.675
0.665
0.655
0.645
0.635
0.780
0.770
0.760
0.750
0.740
0.730
0.720
0.710
VVDDQ = 1.5 V
VVDDQ = 1.35 V
−2.0 −1.5 −1.0 −0.5
0.0
0.5
1.0
1.5
2.0
−2.0 −1.5 −1.0 −0.5
0.0
0.5
1.0
1.5
2.0
VTT Current (V)
VTT Current (V)
Figure 17. VTT Load Regulation
Figure 18. VTT Load Regulation
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