LP2998 Datasheet, PDF (8/33 Pages) Intersil Corporation – DDR-II and DDR-I Termination Regulator

LP2998, LP2998-Q1
SNVS521K – DECEMBER 2007 – REVISED AUGUST 2014
7.7 Typical Characteristics
Unless otherwise specified AVIN = PVIN = 2.5 V.
400
350
300
250
200
150
100
50
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
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1050
900
750
600
450
300
150
0
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 1. I_Q vs AV_IN In SD
4
3.5
3
2.5
2
1.5
1
0.5
2 2.5 3 3.5 4 4.5 5 5.5
AVIN (V)
Figure 2. I_Q vs Av_IN
1.40
1.35
1.30
1.25
1.20
1.15
1.10
-30 -20 -10 0 10 20 30
IREF (uA)
Figure 3. V_IH and V_IL
3
2.5
2
1.5
1
0.5
0
0
1
2
3
4
5
6
VDDQ (V)
Figure 4. V_REF vs I_REF
3
2.5
2
1.5
1
0.5
0
0
1
2
3
4
5
6
VDDQ (V)
Figure 5. V_REF vs V_DDQ
Figure 6. V_TT vs V_DDQ
8
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