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RT9701 是一個 100mΩ 電源開關,設計用於自供電 (self-powered) 和匯流排供電 (bus- powered) 的通用序列匯流排 (USB) 應用。一個內置的電荷泵來驅動沒有寄生 body-diode 的 N-Channel MOSFET 來消除關機時的任何反向電流。IC 的低靜態電流 (23μA) 和小封裝 (SOT-23-5) 特別適合電池供電的攜帶式設備。多種保護功能,包括限制外掛程式時的湧入電流、輸出 1.5A 下符合 USB 規範的限電流和過電流情形下的過溫保護。
RT9701 電路圖
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<div class="spec-list"><ul class="lv1"><li>典型值 100mΩ 高側 N-MOSFET (SOT-23-5) </li><li>保證 1.1A 連續電流 </li><li>1.5A 電流限制 </li><li>SOT-23-5 小封裝優化版子空間 </li><li>軟啟動 </li><li>過溫保護 </li><li>23μA 低輸入電源電流 </li><li>寬輸入電壓範圍:2.2V 至 6V </li><li>UL 認證 - #E219878 </li><li>符合 RoHS 標準及 100% 不含鉛 </li></ul></div>
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RT9701 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>電池供電設備 </li><li>主機板 USB 電源開關 </li><li>USB 裝置電源開關 </li><li>熱插拔電源 </li><li>電池充電器電路 </li></ul></div>
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