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LTM4632

推荐新设计使用

用于 DDR-QDR4 存储器的超薄、三路输出、降压型 μModule 稳压器

数据手册 (Rev. E) 产品选型表
产品模型
5
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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产品详情

  • 包括 VDDQ、VTT、VTTR (或 VREF) 的完整 DDR-QDR4 SRAM 电源解决方案
  • 占板面积为 0.5cm2 (双面 PCB) 的解决方案
  • 宽输入电压范围：3.6V 至 15V
  • 3.3V 输入可兼容连接至 INTVCC 的 VIN
  • 0.6V 至 2.5V 输出电压范围
  • 双路 ±3A DC 输出电流 (具有提供和吸收能力)
  • ±1.5%、±10mA 缓冲 VTTR = VDDQ/2 输出
  • 3A VDDQ + 3A VTT 或双相单路 6A VTT
  • 在整个负载、电压和温度范围内具有 ±1.5% 的最大总输出电压调节误差
  • 电流模式控制，快速瞬态响应
  • 外部频率同步
  • 多相可并联和均流
  • 可选的突发模式 (Burst Mode®) 操作
  • 过压输入和过热保护
  • 电源良好指示器
  • 超薄型 6.25mm x 6.25mm x 1.82mm LGA 封装和超薄型 6.25mm x 6.25mm x 2.42mm BGA 封装
LTM4632
用于 DDR-QDR4 存储器的超薄、三路输出、降压型 μModule 稳压器
QDR4 Memory Power μModule Regulator Output Efficiency vs Load Current Product Package 1
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参考资料

数据手册 1

可靠性数据 1

用户手册 1

设计笔记 2

技术文章 2

了解更多
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硬件生态系统

部分模型 产品周期 描述
DDR/QDR存储器/总线端接 2
LTC3876
推荐新设计使用 用于 DDR 电源的双通道 DC/DC 控制器具有差分 VDDQ 检测功能和 ±50mA VTT 基准
LTC3618
推荐新设计使用 用于 DDR 终端的双通道、4MHz、±3A、同步降压型稳压器
数字电源系统管理器 1
LTC2975
推荐新设计使用 具准确输入电流和能量测量功能的 4 通道 PMBus 电源系统管理器
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工具及仿真模型

LTspice 2

LTspice中提供以下器件型号：

  • LTM4632

LTpowerCAD 1

LTspice

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器，为改善模拟电路的仿真提供增强功能和模型。

LTpowerCAD

LTpowerCAD®是一种电源设计程序，它选择功率级元件，提供详细效率信息，显示快速环路波特图稳定性和负载瞬态分析，并可导出至LTspice进行仿真。

评估套件

eval board
schematic 1
schematic 2
schematic 3
schematic 4
AD-JUPITER-EBZ

Software-Defined Radio

立即购买 更多内容

特性和优点

  • RF/SDR
    • ADRV9002 transceiver
    • 2 x receiver, 2 x transmitter
    • LO frequency range 30 MHz to 6 GHz
    • 12 kHz to 40 MHz frequency bandwidth
    • Sampling rate 12 kSPS to 61.44 MSPS
  • External Device Clock Input
  • External MCS Input
  • RF Front-end
  • Processing System
    • Zynq UltraScale+ MPSoC XCZU3EG
      • ARM Cortex-A53 1.5 GHz
      • ARM Cortex-R5 500 MHz
      • Mali-400 MP2 graphic processor
      • Programmable logic 154 k
    • DDR4 – 2 GB (x32)
    • Boot source
      • SD card 3.0
      • Flash memory 128 MB
    • User Interfaces
      • USB 3.1 Gen 1 – Type C
        • Upstream Facing Port (UFP)
        • Downstream Facing Port (DFP)
        • USB 2.0 compatible
    • Ethernet 1000BASE-T RGMII
    • Display Port v1.2 (2 lanes, 5.4 Gbps)
    • SATA 3
    • USB (micro) debug interface
    • 16 GPIOs (3V3 LVCMOS)
  • Power Sources
    • USB Type-C (power only)
      • Power Sink 5V, 9V/3A
    • USB Type-C (data)
      • Power Sink 5V/3A
      • Power Source 5V/0.9 A
    • 802.3at POE compliant, 25.5 W Type2 (POE+)

产品详情

The AD-JUPITER-EBZ is a versatile software-defined platform based on Analog Devices ADRV9002 and Xilinx Zynq UltraScale+ MPSoC. The ADRV9002 is a new generation RF transceiver that has dual-channel transmitters, dual-channel receivers covering a frequency range of 30 MHz to 6 GHz. This device has a high-quality RF linearity performance and a set of advanced features like fast profiles switching, flexible power vs. performance configuration, fast frequency hopping, multi-chip synchronization, and digital pre-distortion (DPD) for narrow and wide band waveform.

The evaluation platform includes XCZU3EG processing device that has a wide range of interfaces, making the system capable of local processing or streaming to a remote host. It comes integrated in a self-contained ruggedized aluminum case, which gives flexibility in evaluating and prototyping across different environments.

APPLICATIONS

  • Aerospace and Defense
  • Communications
  • Advanced Education

eval board
schematic 5
DC2367A

LTM4632 Demo Board | Ultrathin Triple Output Buck μModule Regulator for DDR-QDR4 Memory, 3.6V ≤ VIN ≤ 15V, ±3A VDDQ/VTT, 10mA VREF

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产品详情

Demonstration circuit DC2367A features the LTM4632EV μModule® regulator, a tiny low-profile high-performance high efficiency dual step-down regulator for DDR power. LTM4632 has an operating input voltage range of 3.6V to 15V. The output voltage of channel 1 (VDDQ) is resistor programmable from 0.6V to 2.5V and is capable of delivering up to 3A of output current. The output voltage of channel 2 (VTT) is set to regulate ½ of the voltage on the VDDQIN pin which can provided by either the channel 1 output or an external reference voltage. It can source or sink up to 3A of output current. A 10mA buffered output of VDDQIN/2 is also provided for supplying VREF voltage for DDR memory. DC2367A also provides the option for paralleling channels 1 and 2 together for up to 6A capable VTT rail.
AD-JUPITER-EBZ
Software-Defined Radio
AD-JUPITER-EBZ Board Photo Angle View AD-JUPITER-EBZ Board Photo Top View AD-JUPITER-EBZ Board Photo Back View AD-JUPITER-EBZ Block Diagram
DC2367A
LTM4632 Demo Board | Ultrathin Triple Output Buck μModule Regulator for DDR-QDR4 Memory, 3.6V ≤ VIN ≤ 15V, ±3A VDDQ/VTT, 10mA VREF
DC2367A - Demo Board Image

参考电路

HTG-AI & Prime PCIe Express Platform - Top View
HTG-AI & Prime PCIe Express Platform - Top View
HTG-AI & Prime PCIe Express Bottom
Versal VSL1 Power Tree for AI CORE VC1902 & Prime VM1802
HTG-VSL1 参考设计

Versal PRIME /AI PCI Express Platform

查看参考设计详情

特性和优点

  • Xilinx Versal™ AI Core and Prime series solves a broad range of industry-specific problems with performance and flexibility. Core use cases  include storage acceleration,  data center network acceleration, 5G xHaul and Passive optical networks.

  • The HTG-VSL1 AI Core and Prime PCIe express platform allows easy and versatile functional expansion through two Vita 57.4 compliant High-Pin-Count  FMC+ ports and one high-speed AcceleRate® port.

  • Analog Devices, Inc. supports power delivery solutions for the HTG-VSL1 for the Versal AI Core and Versal Prime PCIe express platform. DC/DC μModule regulators are used on the HTG-VSL1 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

  • ADI provides supporting documentation including power schematics, layout, LTpowerPlanner® and applicable LTpowerPlay® configuration files to enable you to validate the power solution for your application seamlessly.

  • For a complete list power designs and use cases, please contact your local FAE.

  • Key Power DC DC Modules include:

    • LTM4700 is a Dual 50A or Single 100A μModule Regulator with Digital Power System Management, PMBus
    • LTM4638 is a 15A Step-Down DC/DC μModule Regulator
    • LTM4625 is a 5A Step-Down DC/DC μModule Regulator
    • LTM4632 is a Triple Output, Step-Down μModule Regulator for DDR-QDR4 Memory
    • LTC2937 is a Programmable Six Channel Sequencer and Voltage Supervisor with EEPROM
HTG-VSL1
Versal PRIME /AI PCI Express Platform
HTG-AI & Prime PCIe Express Platform - Top View
HTG-AI & Prime PCIe Express Bottom
Versal VSL1 Power Tree for AI CORE VC1902 & Prime VM1802

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