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LP2996 Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer LP2996
Beschreibung DDR Termination Regulator
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 18 Seiten
LP2996 Datasheet, Funktion
LP2996
DDR
LP2996
SDRAM
JEDEC
SSTL-2
DDR-
LP2996
SDRAM
1.5A
DDR DIMM
DDR-
3A
VSENSE
VREF
LP2996 Suspend-to-RAM (STR)
LOW
LOW
VTT
VREF
(SD)
TRI-STATE
SD
Suspend-to-RAM (STR)
SO-8 PSOP-8 LLP-16
DDR-I DDR-II
SSTL-2 SSTL-3
HSTL
2003 11
© National Semiconductor Corporation DS200575-04-JP
1






LP2996 Datasheet, Funktion
()
VTT vs VDDQ
Iq vs AVIN in SD Temperature
Iq vs AVIN Temperature
Maximum Sourcing Current vs AVIN
(VDDQ 2.5V, PVIN 1.8V)
Maximum Sourcing Current vs AVIN
(VDDQ 2.5V, PVIN 2.5V)
Maximum Sourcing Current vs AVIN
(VDDQ 2.5V, PVIN 3.3V)
www.national.com/jpn/
6

6 Page









LP2996 pdf, datenblatt
LP2996
Figure 5 14
AVIN PVIN
SSTL-2
SSTL-2
2.5V
Figure 5
LP2996
5V
FIGURE 5. Recommended SSTL-2 Implementation
(PVIN) 1.8V
(AVIN)
2.5V 3.3V
VTT
SSTL-2
SSTL-2
PVIN
2.5V
3.3V
FIGURE 6. Lower Power Dissipation SSTL-2 Implementation
3
AVIN
1.8V
LP2996
AVIN PVIN
3.3V 5V
LP2996
3.3V
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