Datasheet

-10
0.735
-5 0
5
10
I
VTTREF
- VTTREF Current - mA
0.74
0.745
0.75
0.755
0.76
0.765
I
VTT
- VTT Output Voltage - V
DDR3
-3
0.73
0.71
-2
0.74
0.72
0.77
0.75
0.78
0.76
0.79
V
VLDOIN
= 1.5 V
-1
0
I
VTT
- VTT Output Current - A
1 2
3
I
VTT
- VTT Output Voltage - V
0.001
60
50
0.01 0.1 1 10
80
70
100
90
V
VDDQ
= 1.8 V
V
IN
= 8 V
V
IN
= 20 V
V
IN
= 12 V
I
VDDQ
− VDDQ Current − A
Efficiency − %
0.001
60
50
0.01 0.1 1 10
80
70
100
90
I
VDDQ
− VDDQ Current − A
Efficiency − %
V
VDDQ
= 2.5 V
V
IN
= 8 V
V
IN
= 20 V
V
IN
= 12 V
TPS51116
www.ti.com ................................................................................................................................................................ SLUS609H – MAY 2004 – REVISED JULY 2009
TYPICAL CHARACTERISTICS (continued)
VTTREF OUTPUT VOLTAGE VTT OUTPUT VOLTAGE
vs vs
OUTPUT CURRENT (DDR3) OUTPUT CURRENT (DDR3)
Figure 24. Figure 25.
VDDQ EFFICIENCY (DDR) VDDQ EFFICIENCY (DDR2)
vs vs
VDDQ CURRENT VDDQ CURRENT
Figure 26. Figure 27.
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