主页 电源管理 多通道 IC (PMIC)
主页
电源管理
多通道 IC (PMIC)

LP2998-Q1

正在供货

用于汽车应用的 DDR 终端稳压器

立即订购
数据表

LP2998-Q1

正在供货
立即订购

产品详情

Product type DDR Vin (min) (V) 1.35 Vin (max) (V) 5.5 Vout (min) (V) 0.656 Vout (max) (V) 0.698 Features Shutdown Pin for S3 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (mA) 0.32 DDR memory type DDR, DDR2, DDR3, DDR3L
Product type DDR Vin (min) (V) 1.35 Vin (max) (V) 5.5 Vout (min) (V) 0.656 Vout (max) (V) 0.698 Features Shutdown Pin for S3 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (mA) 0.32 DDR memory type DDR, DDR2, DDR3, DDR3L
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm)
  • AEC-Q100 Test Guidance with the following results
    (SO PowerPAD-8):
    • Device HBM ESD Classification Level H1C
    • Junction Temperature Range –40°C to 125°C
  • 1.35 V Minimum VDDQ
  • 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
  • AEC-Q100 Test Guidance with the following results
    (SO PowerPAD-8):
    • Device HBM ESD Classification Level H1C
    • Junction Temperature Range –40°C to 125°C
  • 1.35 V Minimum VDDQ
  • 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

The LP2998 linear regulator is designed to meet JEDEC SSTL-2 and JEDEC SSTL-18 specifications for termination of DDR-SDRAM and DDR2 memory. The device also supports DDR3 and DDR3L VTT bus termination with VDDQ min of 1.35 V. The device contains a high-speed operational amplifier to provide excellent response to load transients. The output stage prevents shoot through while delivering 1.5 A continuous current and transient peaks up to 3 A in the application as required for DDR-SDRAM termination. The LP2998 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 LP2998 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.

The LP2998 linear regulator is designed to meet JEDEC SSTL-2 and JEDEC SSTL-18 specifications for termination of DDR-SDRAM and DDR2 memory. The device also supports DDR3 and DDR3L VTT bus termination with VDDQ min of 1.35 V. The device contains a high-speed operational amplifier to provide excellent response to load transients. The output stage prevents shoot through while delivering 1.5 A continuous current and transient peaks up to 3 A in the application as required for DDR-SDRAM termination. The LP2998 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 LP2998 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.
filter 查找其他 多通道 IC (PMIC)
下载 观看带字幕的视频 视频

技术文档

未找到结果。请清除搜索并重试。
查看全部 1
顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 LP2998/LP2998-Q1 DDR Termination Regulator 数据表 (Rev. K) PDF | HTML 2014-8-20

设计与开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

LP2998EVAL — 用于 LP2998 的评估板

The LP2998 evaluation board is designed to provide the design Engineer with a fully functional prototype system in which to evaluate the LP2998 in both a static environment and with a complete memory system.

用户指南: PDF
支持的产品和硬件
有库存
限制：
??asset.out-of-stock-ti_zh_CN??
无货
参考设计

TIDA-00275 — 汽车仪表组宽 Vin 电源设计

此 TI 参考设计是一种汽车仪表组宽 Vin 电源解决方案，包含一个带有集成 LDO 的宽 Vin 降压转换器。   还包含一个高效同步降压直流到直流转换器。另外还包含一个线性稳压器，旨在使 DDR 终端符合 JEDEC SSTL-2 和 JEDEC SSTL-18 规范。此仪表组电源解决方案已针对中端仪表组市场进行优化，整个解决方案支持 6.0V-40V 系统功能，可承受启动停止和负载突降情况。前端降压转换器 (TPS65320-Q1) 能够支持 4.5V 冷启动情况。

支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
HSOIC (DDA) 8 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

订购和质量

推荐产品可能包含与 TI 此产品相关的参数、评估模块或参考设计。

支持和培训

可获得 TI 工程师技术支持的 TI E2E™ 论坛

查看全部论坛主题 查看英文版全部论坛主题

所有内容均由 TI 和社区贡献者按“原样”提供，并不构成 TI 规范。请参阅使用条款。

如果您对质量、包装或订购 TI 产品有疑问，请参阅 TI 支持。​​​​​​​​​​​​​​

视频