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The RT9706 is a cost-effective, low voltage, single N-Channel MOSFET high-side power switch, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. The RT9706 equipped with a charge pump circuitry to drive the internal MOSFET switch; the switch's low RDS(ON) 80mΩ, meets USB voltage drop requirements; and 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, lower quiescent current as 25μA making this device ideal for portable battery operated equipment.
The RT9706 is available in SOT-23-5 package requiring minimum board space and smallest components.
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  • Compliant to USB Specifications

  • Built-In (Typically 80mΩ) N-Channel MOSFET

  • Output Can Be Forced Higher than Input (Off-State)

  • Low Supply Current :
      ♦ 25μA Typical at Switch On State
      ♦ 0.1μA Typical at Switch Off State

  • Guaranteed 500mA Continuous Load Current

  • Wide Input Voltage Ranges : 2V to 5.5V

  • Open-Drain Fault Flag Output

  • Hot Plug-In Application (Soft-Start)

  • 1.7V Typical Under-Voltage Lockout (UVLO)

  • Current Limiting Protection

  • Thermal Shutdown Protection

  • Reverse Current Flow Blocking (no body diode)

  • Smallest SOT-23-5 Package Minimizes Board Space

  • UL Approved-E219878

  • RoHS Compliant and 100% Lead (Pb)-Free

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USB Bus/Self Powered Hubs<br />USB Peripherals<br />ACPI Power Distribution<br />PC Card Hot Swap<br />Notebook, Motherboard PCs<br />Battery-Powered Equipment<br />Hot-Plug Power Supplies<br />Battery-Charger Circuits
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