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RT5715 是負載能力為 2A 的 ACOT<sup>®</sup> 架構同步 Buck 轉換器，可在 2.5V~5.5V 輸入範圍內工作，輸出電壓可在 0.45V~VIN 間進行設定。其靜態耗電低，集成了低 R<sub>DS(ON)</sub> MOSFET 功率開關，可在很寬的負載範圍內獲得高轉換效率，因採用 ACOT 架構而使外部元件數量少，在很寬的負載範圍內都有很好的瞬態響應特性。其工作頻率高達 2.7MHz，輸出電感和電容的尺寸都很小。<br>RT5715 具有完備的保護功能，其中包括輸入欠壓鎖定保護、輸出欠壓保護、過流保護和過熱關機保護，還有逐週期電流限制可使其能應對輸出短路問題，有軟啟動能消除啟動期間的輸入電流衝擊。其封裝形式為 WDFN-8SL 2x2。
RT5715 電路圖
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<div class="spec-list"><ul class="lv1"><li>集成 100mΩ/80mΩ FET、使用 WDFN-8SL 2x2 封裝的 2A 轉換器 </li><li>輸入電壓範圍：2.5V~5.5V </li><li>輸出電壓範圍：0.45V~V<sub>IN</sub> </li><li>ACOT<sup>®</sup> 控制架構 <ul class="lv2"> <li></li><li>超快瞬態回應 </li><li>無需外部補償 </li><li>針對低 ESR 的陶瓷輸出電容進行了優化 </li></ul> </li><li>回饋參考電壓：0.45V±1% </li><li>靜態耗電：30μA </li><li>固定工作頻率：2.7MHz </li><li>內部固定的軟啟動時長：150μs </li><li>輸出預偏置時可安全啟動 </li><li>輸入欠壓鎖定保護 </li><li>打嗝模式的輸出欠壓保護 </li><li>熱關機過熱保護 </li><li>使能控制 </li><li>Power Good 指示 </li><li>符合 RoHS 規範，不含鹵素 </li></ul></div>
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RT5715 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>行動電話和掌上型設備 </li><li>機上盒等通訊設備 </li><li>ASIC 電源 </li><li>通用負載點低壓 Buck 轉換器 </li></ul></div>
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