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RT7247A为高效率的DC/DC单芯片同步整流降压式转换器,输入电压范围从4.5V至18V,输出电流至2A。RT7247A的电流模式架构与外部的补偿机制可因应大范围的输入与负载变化的瞬时响应进行优化的补偿。逐周期形式的限流机制可在输出短路时提供电路保护作用,缓启动机制则可消除启动瞬间的输入电流涌浪的问题。此外RT7247A提供低电压保护与热关断保护功能,低电流关断模式(<3μA)则可断开与输出的连接,实现简易的电池供电系统中的电源管理。RT7247A采用SOP-8(裸露焊盘)的封装规格。

应用

  • Wireless AP/Router
  • Set-Top-Box
  • Industrial and Commercial Low Power Systems
  • LCD Monitors and TVs
  • Green Electronics/Appliances
  • Point of Load Regulation of High-Performance DSPs
Technical Documents
TitleItem TypeLast UpdateDownload
立锜全系列产品选择指南 [Jan., 2025] Selection Guide2025/08/20
立锜精选产品 Product Tree 手册 [Aug., 2023] Selection Guide2023/08/07
Evaluation Boards
TitleLast UpdateDownload
RT7247AHGSP Evaluation Board2015/05/15
Reference Design
TitleLast UpdateDownload
立锜负载瞬变测试工具2018/11/01
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT7247AHGSPPSOP-82,500 Request Digikey 957 Buy
Mouser 2,495 Buy
RT7247ALGSPPSOP-82,500 Request Digikey 2,500 Buy
Mouser 2,424 Buy
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT7247AHGSP Digikey 3 Buy
Mouser 5 Buy
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