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RT9701

100mΩ 功率开关

RT9701
New

RT9701 是一个 100mΩ 电源开关，设计用于自供电 (self-powered) 和总线供电 (bus- powered) 的通用串行总线 (USB) 应用。一个内置的电荷泵来驱动没有寄生 body-diode 的 N-Channel MOSFET 来消除关机时的任何反向电流。IC 的低静态电流 (23μA) 和小封装 (SOT-23-5) 特别适合电池供电的携带式设备。多种保护功能，包括限制插件时的涌入电流、输出 1.5A 下符合 USB 规范的限电流和过电流情形下的过热保护。

应用

  • 电池供电设备
  • 主板 USB 电源开关
  • USB 装置电源开关
  • 热插入电源
  • 电池充电器电路

主要规格

RT9701
Status NRND
Recommended Alternative  RT9742
Number of Outputs 1
Vin (min) (V) 2.2
Vin (max) (V) 6
Ron (typ) (mOhm) 85
Iq (typ) (mA) 0.023
Current Limit (typ) (A) 1.5
FLAG Indicator No
Iocp Adjustable No
Safety UL
Switch Type Power Switch
Features Cycle-by-Cycle Current Limit;Enable Input;SCP
Package Type SOT-25

关键特性

  • 典型值 100mΩ 高侧 N-MOSFET (SOT-23-5)

  • 保证 1.1A 连续电流

  • 1.5A 电流限制

  • SOT-23-5 小封装优化版子空间

  • 软启动

  • 过热保护

  • 23μA 低输入线电流

  • 宽输入电压范围：2.2V 至 6V

  • UL 认证 - #E219878

  • 符合 RoHS 标准及 100% 不含铅

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