概览

优势和特点

  • Complete Boost Switch Mode Power Supply
  • Wide Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 6V to 36V
  • 4A Continuous Output Current (12VIN, 24VOUT)
  • ±2% Maximum Total Output Voltage Regulation Over Load, Line and Temperature
  • Input Disconnect in Shutdown
  • Inrush Current Limit
  • External Frequency Synchronization
  • Programmable Frequency (350kHz to 780kHz)
  • Parallel Current Sharing
  • Up to 98% Efficiency
  • Selectable Burst Mode® Operation
  • In-Line Overcurrent Protection
  • Overtemperature Protection
  • LTM4656-1 Adjustable Compensation Version
  • 16mm × 16mm × 7.07mm BGA Package

产品详情

The LTM4656 is a complete high efficiency boost μModule® (power module) regulator with the switching controller, power FETs, inductor, and all supporting components. Only a few input and output capacitors are needed. Operating over an input voltage range of 4.5V to 28V, the LTM4656 supports an output voltage range of 6V to 36V, set by a single external resistor. Its high efficiency design delivers up to 5A continuous output current. An in-line protection circuit sets the maximum input current, and will trip off the input power if exceeded and retry (see Typical Applications section on data sheet).

The high density boost design can convert up to 180W of output power.

Fault protection features include overtemperature protection, and overcurrent protection input referred with auto-retry. The μmodule is offered in a space saving and thermally enhanced 16mm × 16mm × 7.07mm BGA package. The LTM4656 is Pb-free and RoHS compliant.

APPLICATIONS

  • Telecom and Networking Equipment
  • Electronic Test Equipment

产品生命周期 icon-recommended 推荐新设计使用

本产品已上市。数据手册包含所有最终性能规格和工作条件。ADI公司推荐新设计使用这些产品。

工具及仿真模型

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。

LTspice

LTspice中提供以下器件型号:

LTM4656

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。

LTPowerCAD

LTpowerCAD中提供以下器件的设计工具:

LTM4656

设计资源

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样片申请及购买

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