LP2998MRX Datasheet, PDF (7/26 Pages) Texas Instruments – LP2998 DDR-I and DDR-II Termination Regulator

LP2998
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SNVS521I – DECEMBER 2007 – REVISED APRIL 2013
Typical Performance Characteristics (continued)
Unless otherwise specified VIN = AVIN = PVIN = 2.5V
Iq vs AV_IN over Temperature
1050
Maximum Sourcing Current vs AV_IN
(V_DDQ = 1.8V, PV_IN = 1.8V)
1.4
25^oC
900
1.2
750
-40^oC
1
600
85^oC
0.8
125^oC
450
0.6
300
0.4
150
0.2
0
2 2.5 3 3.5 4 4.5 5 5.5
AV_IN (V)
Figure 9.
0
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 10.
Maximum Sinking Current vs AV_IN
(V_DDQ = 1.8V)
2.4
Maximum Sourcing Current vs AV_IN
(V_DDQ = 2.5V, PV_IN = 1.8V)
1.4
2.2
1.2
2
1
1.8
0.8
1.6
0.6
1.4
0.4
1.2
0.2
1
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 11.
0
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 12.
Maximum Sourcing Current vs AV_IN
(V_DDQ = 2.5V, PV_IN = 2.5V)
1.8
1.7
1.6
1.5
Maximum Sourcing Current vs AV_IN
(V_DDQ = 2.5V, PV_IN = 3.3V)
3
2.8
2.6
1.4
2.4
1.3
2.2
1.2
1.1
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 13.
2
3
3.5
4
4.5
5
5.5
AVIN (V)
Figure 14.
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