LP2997 - DDR-II 终止稳压器

LP2997是TI德州仪器公司的一款无产品，LP2997是DDR-II 终止稳压器，本站介绍了LP2997的封装应用图解、特点和优点、功能等，并给出了与LP2997相关的TI元器件型号供参考。

LP2997 - DDR-II 终止稳压器 - 无 - DDR存储器电源终端 - 德州仪器

产品描述

The LP2997 linear regulator is designed to meet the JEDEC SSTL-18 specifications for termination of DDR-II memory. The device contains a high-speed operational amplifier to provide excellent response to load transients. The output stage prevents shoot through while delivering 500mA continuous current and transient peaks up to 900mA in the application as required for DDR-II SDRAM termination. The LP2997 also incorporates a VSENSE pin to provide superior load regulation and a VREF output as a reference for the chipset and DIMMs.

An additional feature found on the LP2997 is an active low shutdown (SD) pin that provides Suspend To RAM (STR) functionality. When SD 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.

产品特性

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
Available in SOIC-8, SO PowerPAD-8 Packages

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