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LP2998 Home > Products > DDR Termination Voltage Regulator > LP2998
  - Source and Sink Current
- Low Output Voltage Offset
- No External Resistors required
- Linear Topology
- Suspend to RAM (STR) functionality
- Low External Component Count
- Thermal Shutdown
- Under Voltage Lockout and Over Current Limit
- Available in SOP8-PP Package
  The LP2998 linear regulator is designed to meet the JEDEC SSTL 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 up to 2.0 A continuous current and transient peaks up to 3.0 A with respect to PVIN operating condition in the application as required for DDR-SDRAM termination. The LP2998 also incorporates a VTTSNS pin to provide superior load regulation and a VREF output as a reference for the chipset and DIMMs. An additional feature found on the LP2998 is an active high enable (EN) pin that provides Suspend To RAM (STR) functionality. When EN is pulled low the VTT output will tri-state providing a high impedance output, but, VREF will remain active. A power savings advantage can be obtained in this mode through lower quiescent current.
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