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LP2994 データシート - National ->Texas Instruments

LP2994 DDR Termination Regulator National-Semiconductor
National ->Texas Instruments National-Semiconductor
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LP2994 データシート PDF : LP2994 pdf   
LP2994M image

General Description
The LP2994 regulator is designed to provide a linear solution to meet the JEDEC SSTL-2 and SSTL-3 specifications (Series Stub Termination Logic) for active termination of DDR SDRAM. The device utilizes an internal operational amplifier to provide linear regulation of VTT without the need for expensive external components. The output stage prevents shoot through while delivering 1.5A continuous current and maintaining excellent load regulation. The LP2994 also in corporates an active low shutdown pin to tri-state the output during Suspend To Ram (STR) states.

■ Source and sink current
■ Low external component count
■ Independent analog and power rails
■ Linear topology
■ Small package SO-8
■ Low cost and easy to use
■ Shutdown pin

■ SSTL-2
■ SSTL-3
■ DDR-SDRAM Termination
■ DDR-II Termination


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