LT8627SP

推荐用于新设计

具有超低噪声的18V/16A降压型Silent Switcher 3

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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。

概述

  • Silent Switcher®3 架构
    • 超低有效值噪声（10Hz 至 100kHz）：4μVRMS
    • 超低点噪声：在10kHz时，为 4nV/√Hz
    • 可在任何 PCB 上实现超低 EMI 发射
    • 内部旁路电容器可降低发射的 EMI
  • 在高频下具有高效率
  • 具有高增益误差放大器的超快瞬态响应
  • 输入电压范围：2.8V 至 18V
  • 输出电压范围：0V至（PVIN-0.5V）
  • 最大连续输出电流为 16A
  • 快速最短开关接通时间：15ns
  • 精密基准电压源：针对远程检测温度为 ±0.8%
  • PolyPhase® 运行：高达 12 相
  • 强制连续模式功能
  • 可调并且可同步：300kHz 至 4MHz
  • 可编程电源良好
  • 小型 24 引脚 4mm × 4mm LQFN 封装，用于可选散热器安装
LT8627SP
具有超低噪声的18V/16A降压型Silent Switcher 3
LT8627SP Performance Graph LT8627SP Performance Graph LT8627SP Performance Graph
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参考资料

数据手册 1

用户手册 1

应用笔记 1

技术文章 4

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工具及仿真模型

LTspice

LTspice中提供以下器件型号：

  • LT8627SP

LTpowerCAD

LTpowerCAD中提供以下器件的设计工具：

  • LT8627SP
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。

评估套件

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DC3147A

LT8627SP | 具有低噪音基准电压源的18V、16A同步降压Silent Switcher

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产品详情

演示电路3147A是一款18V、16A同步降压Silent Switcher 3，具有低噪音、高效率和高功率密度，内置LT8627SP。DC3147A的输入电压范围为2.7V至18V。演示板的默认设置为1.0V，最大直流输出电流为16A。LT8627SP是一款紧凑型、低噪音、低辐射、高效率和高速同步单芯片降压型开关稳压器。LT8627SP采用特别设计的低噪声基准电压源和第三代Silent Switcher架构组合，以实现高效率和出色的宽带噪声性能。16 ns的最短导通时间允许在高频率下将高电平VIN转换为低电平VOUT。

如需完整文档，请填写保密协议(NDA)。请通过电子邮件将您的项目详情、公司信息和联系方式发送至 BUC_Doc_Request@analog.com。如需其它支持，请联系 ADI公司当地经销商。

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ADXBAND16EBZ

16Tx/16Rx Direct X-Band Sampled Phased-Array/RADAR/SATCOM Development Platform

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特性和优点

  • Transmit and receive frequency X band: 8GHz to 12GHz
  • Direct sampling in L, S, and C bands with capacitor rotation
  • Multichannel, wideband system development platform for the AD9084 
  • Mates with Xilinx VCU118 evaluation board (must be purchased separately)
  • 16× RF receive channels (32× digital receive channels)
    • Total 16× 4GSPS to 20GSPS ADC channels
    • 48× digital downconverters (DDCs) and complex NCOs
    • 16× programmable finite impulse response filters (pFIRs)
    • 16× complex finite impulse response filters (CFIRs)
  • Complete power management solution for all domains
  • Single 12V supply voltage for easy power management
  • Board size: 221mm × 158mm (8.9” × 6.2”)

产品详情

This user guide serves as the main source of information for system engineers and software developers using the ADXBAND16EBZ. This platform contains four AD9084 software-defined, direct sampling mixed-signal front end (MxFE), including an RF front end, clocking, and power circuitry. Common target applications are phased array radars, electronic warfare, and ground-based SATCOM. The receive and transmit RF front ends have bypass configurations that allow customized frequency ranges of less than 8GHz up to 18GHz.

The ADXBAND16EBZ highlights a complete system solution. This platform is intended as a testbed for demonstrating multichip synchronization as well as the implementation of system-level calibrations and signal processing algorithms. The system is designed to mate with a Xilinx VCU118 evaluation board, which features the Virtex UltraScale+ XCVU9P field-programmable gate array (FPGA), with provided reference software, hardware design language (HDL) code, and MATLAB system-level interfacing.

A 16 transmit and 16 receive calibration board (ADXBAND16EBZCAL) can be used to develop system-level calibration algorithms to demonstrate power-up phase determinism. The calibration board demonstrates combined-channel dynamic range, spurious, and phase noise improvements that can also be controlled via a MATLAB add-on when connected to the peripheral module (PMOD) interface of the VCU118.

APPLICATIONS

  • Phased-array, radar, electronic warfare, and satellite communications (SATCOM)
  • Communications infrastructure (multiband and mmWave 5G)
  • Electronic test and measurement
DC3147A
LT8627SP | 具有低噪音基准电压源的18V、16A同步降压Silent Switcher
DC3147A Evaluation Board DC3147A Evaluation Board - Top View DC3147A Evaluation Board - Bottom View
ADXBAND16EBZ
16Tx/16Rx Direct X-Band Sampled Phased-Array/RADAR/SATCOM Development Platform
ADXBAND16EBZ Top Angle Evaluation Board ADXBAND16EBZ Top Evaluation Board ADXBAND16EBZ Bottom Evaluation Board ADXBAND16EBZ Bottom Angle Evaluation Board

最新评论

1 年前
两相并联使用LT8627SP的远端sense该如何连接
1 年前
为什么LT8627SP最大只能输出5.56V
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