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Product Spec Banner
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RT9703 是具有低達 80mΩ R<sub>DS(ON)</sub> 和全面的保護功能的低壓、高性能功率開關，設計用於實現電源軌的開關控制。它使用內置的電荷泵電路對內置的 MOSFET 開關進行驅動，具有一個用於指示故障狀態的信號輸出以應對諸如過大的電流變化等問題所導致的輸出跌落問題。為了滿足不同應用的需要，它有一個可以進行電流限制閾值設定的 IP 引腳可供使用，從該端子 連接一個電阻到地即可設定該參數。此外，它還具有軟啟動功能可限制插入期間的衝擊電流，有熱關機保護功能以預防大電流負載可能給開關帶來的災難性失效，有欠壓鎖定功能確保出現在輸入端的電壓不足時總是處於關機狀態，還有可用電阻進行精確設定的、高達 3.5A 的輸出電流限制。它那低達 30μA 的靜態電流使之成為電池供電的可擕式產品的理想選擇。RT9703 的封裝是 SOP-8。
RT9703 電路圖
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<div class="spec-list"><ul class="lv1"><li>可調的電流限制可高達 3.5A </li><li>內置典型值為 80mΩ 的 N-MOSFET </li><li>具有反向電流阻止功能（沒有本體二極體），在關閉狀態下容許輸出端電壓高於輸入端電壓 </li><li>低電流消耗: <ul class="lv2"> <li></li><li>導通狀態下的電流消耗為 30μA </li><li>關閉狀態下的電流消耗低於 1μA </li></ul> </li><li>確保 3A 持續電流輸出能力 </li><li>寬輸入電壓範圍： 2V~5.5V </li><li>開漏故障信號輸出 </li><li>適合熱插拔應用 </li><li>1.7V 典型值欠壓鎖定(UVLO) </li><li>熱關機保護 </li><li>SOP-8 封裝 </li><li>符合 RoHS 標準及 100% 不含鉛 </li></ul></div>
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RT9703 訂購資訊
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RT9703
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RT9703
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<div class="spec-list"><ul class="lv1"><li>液晶電視、監視器 </li><li>用於 ADSL 的 USB 供電模組 </li><li>資訊設備，機上盒 </li><li>電池供電設備 </li><li>熱插拔電源 </li><li>ACPI 電源分配裝置 </li><li>PCI 匯流排電源開關 </li><li>電腦主機板和筆記型電腦 </li></ul></div>
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keywordList
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