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The RT9711A/B/C/D are cost-effective, low voltage, single N-MOSFET high-side power switches, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. The RT9711 series are equipped with a charge pump circuitry to drive the internal MOSFET switch. The switch's low RDS(ON), 80mΩ, meets USB voltage drop requirements. A flag output is available to indicate fault conditions to the local USB controller.
Additional features include soft-start to limit inrush current during plug-in, thermal shutdown to prevent catastrophic switch failure from high-current loads, under-voltage lockout (UVLO) to ensure that the device remains off unless there is a valid input voltage present, fault current is limited to typically 2.5A for RT9711A/B in dual ports and 1A for RT9711C/D in single port in accordance with the USB power requirements, lower quiescent current as 25μA making this device ideal for portable battery-operated equipment.
The RT9711 series are available in SOT-23-5, TSOT-23-5, SOP-8 and MSOP-8 packages fitting different aspect of broad applications.
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  • 符合 USB 规范
  • 内置 N-MOSFET
  • 典型 RDS(ON) : 80mΩ (SOT-23-5 & TSOT-23-5) 和 90mΩ (SOP-8 & MSOP-8)
  • 输出可以被强制高于输入 (Off-State)
  • 低线电流：
  • 25μA 典型的开关打开状态 (Switch On State)
  • 1μA 典型的开关关闭状态 (Switch Off State)
  • 保证 RT9711A/B 1.5A 和 RT9711C/D 0.6A 的连续负载电流
  • 宽输入电压范围： 2.5V 至 5.5V
  • 开路汲极错误讯号 (Fault Flag) 输出
  • 热插入应用 (软启动)
  • 欠压锁定 (UVLO) 典型值 1.7V
  • 电流限制保护
  • 过热保护
  • 反向电流阻断 (无二极管)
  • SOT-23-5 和 TSOT-23-5 小封装
  • UL 认证-E219878
  • TUV IEC60950-1 : 2005 认证
  • 符合 RoHS 标准及 100% 不含铅
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USB Bus/自供电集线器 USB 周边 ACPI Power Distribution PC 卡热插入 笔记本电脑、主板、桌面计算机 电池供电装置 热插入电源 电池充电器电路
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