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The RT9711 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 R<sub>DS(ON)</sub>, 80mΩ, meets USB voltage drop requirements. A flag output is available to indicate fault conditions to the local USB controller.<br />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 RT9711 in dual ports and 1A for RT9711 in single port in accordance with the USB power requirements, lower quiescent current as 25μA making this device ideal for portable battery-operated equipment.<br />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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<div class="spec-list"><ul class="lv1"><li>Compliant to USB Specifications </li><li>Built-In N-MOSFET</li><li>Typical R<sub>DS(ON)</sub> : 80mΩ (SOT-23-5 & TSOT-23-5) and 90mΩ (SOP-8 & MSOP-8) </li><li>Output Can Be Forced Higher Than Input (Off-State) </li><li>Low Supply Current :</li><li>25μA Typical at Switch On State</li><li>1μA Typical at Switch Off State </li><li>Guaranteed 1.5A for RT9711A/B and 0.6A for RT9711C/D Continuous Load Current </li><li>Wide Input Voltage Ranges : 2.5V to 5.5V </li><li>Open-Drain Fault Flag Output </li><li>Hot Plug-In Application (Soft-Start) </li><li>1.7V Typical Under-Voltage Lockout (UVLO) </li><li>Current Limiting Protection </li><li>Thermal Shutdown Protection </li><li>Reverse Current Flow Blocking (no body diode) </li><li>Smallest SOT-23-5 and TSOT-23-5 Packages Minimizes Board Space </li><li>UL Approved-E219878 </li><li>TUV <em>IEC60950-1 : 2005</em> Certified </li><li>RoHS Compliant and 100% Lead (Pb)-Free </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>USB Bus/Self Powered Hubs </li><li>USB Peripherals </li><li>ACPI Power Distribution </li><li>PC Card Hot Swap </li><li>Notebook, Motherboard PCs </li><li>Battery-Powered Equipment </li><li>Hot-Plug Power Supplies </li><li>Battery-Charger Circuits </li></ul></div>
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