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The RT9742 is a cost-effective, low-voltage, single <br />N-MOSFET high-side Power Switch IC for USB application. Low switch-on resistance and low supply current are realized in this IC. <p align="justify">The RT9742 integrates an over-current protection circuit, a short fold back circuit, a thermal shutdown circuit and an under-voltage lockout circuit for overall protection. Besides, a flag output is available to indicate fault conditions to the local USB controller. Furthermore, the chip also integrates an embedded delay function to prevent miss-operation from happening due to inrush-current. The RT9742 is an ideal solution for USB power supply and can support flexible applications since it is available in TSOT-23-5, TSOT-23-5 (FC) and SOT-23-3 package.</p>
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productFeature

  • 70mΩ/55mΩ (typ.) N-MOSFET Switch

  • Operating Range : 2.7V to 6V

  • Reverse Blocking Current

  • Under Voltage Lockout

  • Deglitched Fault Report (FLG)

  • Thermal Protection with Fold-back

  • Over Current Protection

  • Short Circuit Protection

  • UL Approved-E219878

  • Nemko Approved-NO109777

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USB Peripherals<br />Notebook PCs
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Keyword 1

Keyword 2

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