LP2998MRX Datasheet, PDF (6/26 Pages) Texas Instruments – LP2998 DDR-I and DDR-II Termination Regulator

LP2998
SNVS521I – DECEMBER 2007 – REVISED APRIL 2013
Typical Performance Characteristics
Unless otherwise specified VIN = AVIN = PVIN = 2.5V
Iq vs AV_IN in SD
400
Iq vs AV_IN
1050
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350
900
300
750
250
600
200
450
150
300
100
150
50
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 3.
0
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 4.
V_IH and V_IL
4
V_REF vs V_DDQ
3
3.5
2.5
3
2
2.5
1.5
2
1
1.5
1
0.5
0.5
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 5.
0
0
1
2
3
4
5
6
VDDQ (V)
Figure 6.
V_TT vs V_DDQ
3
2.5
2
1.5
1
0.5
0
0
1
2
3
4
5
6
VDDQ (V)
Figure 7.
I_SD vs AV_IN over Temperature
400
350
300
-40°C
250
25°C
85°C
200
125°C
150
100
50
2 2.5 3 3.5 4 4.5 5 5.5
AV_IN (V)
Figure 8.
6
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