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RT9042 是設計用於可在很低輸入電壓下以很低的壓差輸出高達 3A 峰值電流的高性能電壓調節器，其輸入電壓可低達 1V，在 3V 的 VDD 電壓下可輸出低達 0.8V 的可程式設計電壓。其突出特性為低壓差性能，可以使用在 VOUT 非常接近 VIN 的應用中。它有一個使能端子，可經此使之進入關機狀態以降低其消耗。它可在全輸入範圍、全負載範圍和全溫度範圍內具有優異的電壓調節性能，還具有一個輸出準備好信號以指示其輸出電壓達到了額定電壓的 90% 以上以方便使用。RT9042 可以 SOP-8 和 SOP-8（含裸露的散熱焊盤）的封裝形式供貨，輸出電壓有 1.05V、1.2V、1.5V、1.8V 和 2.5V 等版本，它們也同時可以使用外部電阻進行電壓設定。
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<div class="spec-list"><ul class="lv1"><li>最大 3A 輸出的低壓差電壓調節器 </li><li>高輸出電壓精度：2% </li><li>2A 負載時的直通壓降典型值為 230mV </li><li>Power Good 信號 </li><li>禁止時輸出端放電電路生效 </li><li>熱保護，過流保護 </li><li>符合 RoHS 規範，完全無鉛 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Notebook PC Applications </li><li>Motherboard Applications </li></ul></div>
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