TPS54622
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TPS54622

  • Category:converter
  • Product Name:4.5V to 17V input, 6A synchronous buck converter with hiccup current limit
  • Manufacturers:TI
  • Production Batch Number:10+
  • Encapsulation:14QFN
  • Stock Status:There is stock
  • Stock Quantity:9000
  • Minimum order quantity: 1
  • Details:点击查找TPS54622的pdf资料
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  • Product introduction

TPS54622  具有打嗝电流限制的 4.5V 至 17V 输入、6A 同步降压转换器

illustrate

 

采用散热增强型 3.5 毫米 x 3.5 毫米 QFN 封装的 TPS54622 是一款功能齐全的 17 V 、 6 A 同步降压转换器,该器件支持高效率,集成高侧/低侧 MOSFET ,针对小型设计进行了优化。 通过电流模式控制减少组件数量,并通过选择高开关频率缩小电感器展位面积,从而可进一步节省空间。

输出电压启动斜坡由 SS/TR 引脚控制,运行既支持独立电源供电,又支持跟踪模式。 此外,正确配置启用与漏极开路功率良好引脚也可实现电源排序。

高侧 FET 的逐周期电流限制可在过载情况下保护器件,并可通过防止电流失控的低侧电源电流限制实现增强。 此外,还提供可关闭低侧 MOSFET 的低侧吸收流限,可防止过大的反向电流。 在过流情况持续时间超过预设时间时,将触发切换保护功能。 当裸片温度升至热关断温度时,热停用保护功能将禁用该器件,而在内建热关断停用时间之后,则可重新启用该部件。

 

characteristic

 

  • 集成型 26mΩ / 19mΩ MOSFET
  • 分离电源轨:1.6 V 至 17 V 的 PVIN
  • 200kHz 至 1.6MHz 的开关频率
  • 同步至外部时钟
  • 不同温度下电压参考为 0.6 V ±1%
  • 2uA 的低关断静态电流
  • 单启动至预偏置输出
  • 工作结点温范围: -40°C 至 150°C
  • 可调慢启动/电源排序
  • 针对欠压及过压的功率良好输出监控
  • Adjustable input undervoltage lockout
  • SwitcherPro™ 软件工具提供支持
  • apply
    • 高密度分布式电源系统
    • 高性能负载点稳压
    • 宽带,网络及光纤通信基础设施

andTPS54622Related ICs are:


Model Manufacturers lot number encapsulation illustrate
MB654622PR-G FUJITSU 9548 PGA Brand new in stock
MB654622 FUJITSU 9548 PGA Brand new in stock
TPS54622 TI 10+ 14QFN 4.5V to 17V input, 6A synchronous buck converter with hiccup current limit

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