LP2997 Datasheet, PDF (2/12 Pages) National Semiconductor (TI) – DDR-II Termination Regulator

Connection Diagrams
PSOP-8 Layout
20109403
SO-8 Layout
20109404
Pin Description
SO-8 Pin or
PSOP-8 Pin
1
2
3
4
5
6
7
8
Name
GND
SD
VSENSE
VREF
VDDQ
AVIN
PVIN
VTT
Ordering Information
Order Number
LP2997M
LP2997MX
LP2997MR
LP2997MRX
Package Type
SO-8
SO-8
PSOP-8
PSOP-8
Function
Ground
Shutdown
Feedback pin for regulating V_TT.
Buffered internal reference voltage of V_DDQ/2
Input for internal reference equal to V_DDQ/2
Analog input pin
Power input pin
Output voltage for connection to termination
resistors
NSC Package
Drawing
M08A
M08A
MRA08A
MRA08A
Supplied As
95 Units per Rail
2500 Units Tape and Reel
95 Units Tape and Reel
2500 Units Tape and Reel
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