LP2995 DDR Termination Regulator | TI.com

LP2995
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DDR Termination Regulator

DDR Termination Regulator - LP2995
Datasheet
 

Recommended alternative parts

  • LP2996-N  -  Has Sd, Split Rails, And Thermal Protection

Description

The LP2995 linear regulator is designed to meet the JEDEC SSTL-2 and SSTL-3 specifications for termination of DDR-SDRAM. The device contains a high-speed operational amplifier to provide excellent response to load transients. The output stage prevents shoot through while delivering 1.5A continuous current and transient peaks up to 3A in the application as required for DDR-SDRAM termination. The LP2995 also incorporates a VSENSE pin to provide superior load regulation and a VREF output as a reference for the chipset and DDR DIMMS.

Features

  • Low Output Voltage Offset
  • Works with +5v, +3.3v and 2.5v Rails
  • Source and Sink Current
  • Low External Component Count
  • No External Resistors Required
  • Linear Topology
  • Available in SOIC-8, SO PowerPAD-8 or WQFN-16 Packages
  • Low Cost and Easy to Use

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Parametrics

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Part number Order DDR memory type Control mode Iout VTT (Max) (A) Iq (Typ) (mA) Output Vin (Min) (V) Vin (Max) (V) Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
LP2995 Order now DDR         1.5     0.25     VREF
VTT    
2.2     5.5         Catalog     0 to 125     SO PowerPAD | 8
SOIC | 8
WQFN | 16    
8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8)
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
16WQFN: 16 mm2: 4 x 4 (WQFN | 16)