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LP2998MRX
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LP2998MRX

  • Category:Low dropout linear regulator
  • Product Name:DDR-I and DDR-II termination regulators
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:SOP8
  • Stock Status:There is stock
  • Stock Quantity:5000
  • Minimum order quantity: 1
  • Details:点击查找LP2998MRX的pdf资料
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  • Product introduction

peculiarity

  • Source and sink current
  • Low output voltage offset
  • No external resistors are required
  • Linear topology
  • Suspend to memory (STR) function
  • Low external component count
  • Thermal shutdown
  • Available in SO-8, PSOP-8 package

illustrate

The LP2998 linear regulator is designed to meet the JEDEC SSTL-2 and JEDEC SSTL-18 specifications for memory termination of DDR1-SDRAM and DDR-II memory. The device contains a high speed op amp to provide excellent load transient response. The output stage prevents shoot-through while providing a continuous current of 1.5A for DDR1-SDRAM termination and 0.5A for DDR-II termination for continuous current. The LP2998 also uses VSENSEPin to provide superior load regulation and serves as a chipset and DIMM reference VREFOutput.

Another feature found on the LP2998 is an aggressive low shutdown (^SD) pin that provides the ability to suspend to memory (STR). When ^SD is pulled low, VTTOutput tri-state provides a high impedance output, while VREFStay active. An energy-saving advantage is available in this mode through lower quiescent current.


apply

  • DDR-I, DDR-II and DDR-III termination voltages
  • SSTL-18 termination
  • SSTL-2 and SSTL-3 terminate
  • HSTL termination

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Model Manufacturers lot number encapsulation illustrate
LP2998MRX NSC 10+ SOP8 DDR-I and DDR-II termination regulators

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