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DDR 存储器电源 IC

TPS51020

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双路、DDR 可选、同步降压控制器

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数据表

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功能与比较器件相同，但引脚排列有所不同
TPS548A28 正在供货 具有遥感功能和 3V LDO 的 2.7V 至 16V、15A 同步降压转换器 Upgraded converter with an extended positive operating temperature range in a smaller package.

TPS51020

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数据表 立即订购

米6体育平台手机版_好二三四详情

DDR memory type DDR, DDR2 Control mode Voltage mode Iout VDDQ (max) (A) 15 Iout VTT (max) (A) 15 Iq (typ) (mA) 1.4 Output VDDQ, VREF, VTT Vin (min) (V) 4.5 Vin (max) (V) 28 Features Complete Solution, Shutdown Pin for S3 Rating Catalog Operating temperature range (°C) -40 to 85 Regulator type Dual Step-Down Controller Vin bias (max) (V) 28 Vin bias (min) (V) 4.5 Vout VTT (min) (V) 0.9
DDR memory type DDR, DDR2 Control mode Voltage mode Iout VDDQ (max) (A) 15 Iout VTT (max) (A) 15 Iq (typ) (mA) 1.4 Output VDDQ, VREF, VTT Vin (min) (V) 4.5 Vin (max) (V) 28 Features Complete Solution, Shutdown Pin for S3 Rating Catalog Operating temperature range (°C) -40 to 85 Regulator type Dual Step-Down Controller Vin bias (max) (V) 28 Vin bias (min) (V) 4.5 Vout VTT (min) (V) 0.9
TSSOP (DBT) 30 49.92 mm² 7.8 x 6.4
  • Wide Input Voltage Range: 4.5-V to 28-V
  • Selectable Dual and DDR Modes
  • Selectable Fixed Frequency Voltage Mode
  • Advanced Power Good Logic Monitors both Channels
  • Selectable Autoskip Mode
  • Integrated Boot Strap Diodes
  • 180° Phase Shift Between Channels
  • Integrated 5-V, 60-mA Regulator
  • Input Feedforward Control
  • 1% Internal 0.85-V Reference
  • RDS(on) Overcurrent Detection (4200 ppm/°C)
  • Integrated OVP, UVP and Power Good Timers
  • 30-pin TSSOP Package
  • APPLICATIONS
    • Notebook Computers System Bus and I/O
    • DDR I or DDR II Termination
  • Wide Input Voltage Range: 4.5-V to 28-V
  • Selectable Dual and DDR Modes
  • Selectable Fixed Frequency Voltage Mode
  • Advanced Power Good Logic Monitors both Channels
  • Selectable Autoskip Mode
  • Integrated Boot Strap Diodes
  • 180° Phase Shift Between Channels
  • Integrated 5-V, 60-mA Regulator
  • Input Feedforward Control
  • 1% Internal 0.85-V Reference
  • RDS(on) Overcurrent Detection (4200 ppm/°C)
  • Integrated OVP, UVP and Power Good Timers
  • 30-pin TSSOP Package
  • APPLICATIONS
    • Notebook Computers System Bus and I/O
    • DDR I or DDR II Termination

The TPS51020 is a multi-function dual-synchronous step-down controller for notebook system power. The part is specifically designed for high performance, high efficiency applications where the loss associated with a current sense resistor is unacceptable. The TPS51020 utilizes feed forward voltage mode control to attain high efficiency without sacrificing line response. Efficiency at light load conditions can be maintained high as well by incorporating autoskip operation. A selectable, Suspend to RAM (STR) supported, DDR option provides a one chip solution for all switching applications from 5-V/3.3-V supply to a complete DDR termination solution.

The TPS51020 is a multi-function dual-synchronous step-down controller for notebook system power. The part is specifically designed for high performance, high efficiency applications where the loss associated with a current sense resistor is unacceptable. The TPS51020 utilizes feed forward voltage mode control to attain high efficiency without sacrificing line response. Efficiency at light load conditions can be maintained high as well by incorporating autoskip operation. A selectable, Suspend to RAM (STR) supported, DDR option provides a one chip solution for all switching applications from 5-V/3.3-V supply to a complete DDR termination solution.
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类型 标题 下载最新的英语版本 日期
* 数据表 Dual, Voltage Mode, DDR Selectable, 数据表 (Rev. C) 2008年 10月 3日
用户指南 TPS51020 降压控制器评估模块用户指南 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2022年 7月 18日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日

设计和开发

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评估板

TPS51116EVM-001 — TPS51116 存储器电源解决方案，同步降压控制器评估模块

The TPS51116EVM evaluation module (EVM) is a dual-output converter for DDR and DDRII memory modules. It uses a 10 A synchronous buck converter to provide the core voltage (VDDQ) for DDR memory modules. The EVM is designed to use a 4.5 V to 28 V supply voltage and a 4.75 V to (...)

用户指南: PDF
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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