LTM4657

推荐新设计使用

20VIN 8A 降压型 DC/DC µModule 稳压器

数据手册 (Rev. B) 产品选型表
产品模型
3
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

  • 在 <1cm2（单边 PCB）或 0.5cm2 （双边 PCB）的空间内提供完整的解决方案
  • 6.25mm × 6.25mm × 3.87mm BGA 封装
  • 宽输入电压范围：3.1V 至 20V
  • 0.5V 至 5.5V 输出电压
  • 8A 直流输出电流
  • 整个线路、负载和温度范围内的最大总直流输出电压误差为 ±1.5%
  • 差分远程检测放大器
  • 电流模式控制，快速瞬态响应
  • 外部频率同步
  • 与多个 LTM4657 多相并联均流
  • 输出电压跟踪
  • 可选择的不连续模式
  • 电源正常指示器
  • 过压、过流和过热保护
  • 与 LTM4626(12A) 和 LTM4638(15A) 实现引脚兼容
LTM4657
20VIN 8A 降压型 DC/DC µModule 稳压器
LTM4657 Application Circuit LTM4657 Pin Configuration LTM4657 Performance Graph
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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 1

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添加至 myAnalog

将产品添加到myAnalog 的现有项目或新项目中（接收通知）。

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工具及仿真模型

LTspice 1

LTspice中提供以下器件型号：

  • LTM4657

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
DC2989A

LTM4657演示板 | 20Vin、8A降压型 µModule®稳压器 

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产品详情

演示电路2989A内置LTM4657 µModule® 稳压器这是一款高性能高效率降压型稳压器。LTC4657是一款完整的DC/DC负载点稳压器，采用散热增强型6.25mm × 6.25mm × 3.87mm BGA封装。LTM4657具有3.1V至20V的工作输入电压范围并提供高达8A的输出电流。输出电压在0.6V至5.5V范围内可编程并可远程检测。堆叠式电感设计可改善散热性能并显著减小封装面积。

可通过TRACK/SS引脚提供输出电压跟踪，用于电源轨时序监控。通过SYNC/MODE引脚可以进行外部时钟同步。针对低负载电流下的高效率，使用MODE跳线(JP7)选择噪声不敏感应用中的DCM工作模式。在使用或修改DC2989A时，必须仔细阅读此演示手册与LTM4657数据手册。

eval board
schematic 2
DC2665B-C

LTM4657 | 20VIN，8A 降压型 μModule 稳压器

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产品详情

演示电路 2665B-C 采用 LTM4657 μModule® 稳压器，这是一款高性能、高效降压型稳压器。LTM4657 是一款完整的 DC/DC 负载点稳压器，采用耐热性能增强型 6.25mm × 6.25mm × 3.87mm BGA 封装。LTM4657 的工作输入电压范围为 3.1V 至 20V，能够提供高达 8A 的输出电流。输出电压可在 0.5V 至 5.5V 范围内编程，并可以远程检测。堆叠式电感器设计可改善散热性能，并显著降低封装面积。TRACK/SS 引脚提供输出电压跟踪，用于电源轨时序监控。通过 SYNC/MODE 引脚可以进行外部时钟同步。要在低负载电流下实现高效率，可以在噪声敏感度较低的应用中使用 MODE 跳线 (JP7) 选择不连续电流模式 (DCM) 操作。要处理或修改 DC2665B-C，请结合本演示手册阅读 LTM4657 数据手册。

DC2989A
LTM4657演示板 | 20Vin、8A降压型 µModule®稳压器 
DC2989A-acl
DC2665B-C
LTM4657 | 20VIN，8A 降压型 μModule 稳压器
DC2665B-C Evaluation Board - Top View

参考电路

agilex7 alternative umodule
agilex7 alternative umodule
Intel Agilex 7 FPGA F-series Development Kit (Alternative µModule) 参考设计

Altera FPGA

查看参考设计详情

特性和优点

  • Intel Agilex 7 F-Series devices target a wide range of applications across many markets. This series offers transceiver rates up to 58 Gbps, advanced DSP blocks supporting multiple precisions of fixed-point and floating-point operations, and high-performance crypto blocks.
  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • Our reference designs are supported by an intuitive design tool set and IP.
  • ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. Our team can provide samples and/or evaluation boards for quick validation that can speed time to market in the most complex applications.
  • For a complete list power designs and use cases, please contact your local FAE.
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) 参考设计

Altera FPGA

查看参考设计详情

特性和优点

  • Intel Agilex 7 F-Series devices target a wide range of applications across many markets. This series offers transceiver rates up to 58 Gbps, advanced DSP blocks supporting multiple precisions of fixed-point and floating-point operations, and high-performance crypto blocks.
  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • Our reference designs are supported by an intuitive design tool set and IP.
  • ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. Our team can provide samples and/or evaluation boards for quick validation that can speed time to market in the most complex applications.
  • For a complete list power designs and use cases, please contact your local FAE.
Monolithic Power Tree Solution for the ZU7 FPGA
Monolithic Power Tree Solution for the ZU7 FPGA
uModule Power Tree for the ZU7 FPGA 
ZCU104 参考设计

Zynq UltraScale+ MPSoC ZCU104 Paper Reference Design

查看参考设计详情

特性和优点

  • The ZCU104 Evaluation Kit enables designers to jumpstart designs for embedded vision applications such as surveillance, Advanced Driver Assisted Systems (ADAS), machine vision, Augmented Reality (AR), drones and medical imaging.

  • The ADI Power delivery solutions support multiple reference designs using DC/DC module and monolithic solutions. ADI offers several options for powering the Zu7 FPGA.

  • Our module-based solutions combine a small footprint, while maximizing efficiency and tight regulation. Our monolithic based solutions support a lower cost optimized power delivery solution for mass production.

  • ADI provides supporting documentation 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.

  • Please refer to the circuit descriptions below that best support your design.
Intel Agilex 7 FPGA F-series Development Kit (Alternative µModule)
Altera FPGA
agilex7 alternative umodule
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile)
Altera FPGA
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree
ZCU104
Zynq UltraScale+ MPSoC ZCU104 Paper Reference Design
Monolithic Power Tree Solution for the ZU7 FPGA
uModule Power Tree for the ZU7 FPGA 

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