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RT4731是將一個Boost轉換器、兩個線性穩壓器(分別提供AVDD和VOP輸出)及生成正壓和負壓輸出的電荷泵集成於一體的AMOLED偏置電源IC,其負壓輸出可用SWIRE介面協定以100mV為級差在-0.6V~-2.4V間進行調節。它通過使用可自動進行模式轉換的-0.33x/-0.5x分壓電荷泵實現轉換效率的最大化,具有2.9V~4.8V的輸入電壓範圍,負載能力高達30mA,是單節鋰離子電池供電條件下的理想選擇。其封裝形式為UBGA-21B 1.82x3.23。
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<div class="spec-list"><ul class="lv1"><li>輸入電壓範圍:2.9V~4.8V </li><li>使用單線通訊協定 </li><li>固定4.6V正電壓輸出 </li><li>2.8V AVDD電壓輸出 </li><li>負壓輸出SWIRE可調,範圍:-0.6V~-2.4V;級差0.1V </li><li>自動進行模式切換的-0.33x/-0.5x電荷泵 </li><li>內建軟啟動 </li><li>最大負載能力:30mA </li><li>可程式控制輸出快速放電功能 </li><li>關機時輸出端為高阻狀態 </li><li>UVLO/OCP/SCP/OTP </li><li>關機電流 < 1μA </li><li>21球UBGA封裝 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>可擕式產品AMOLED顯示幕 </li><li>物聯網設備 </li></ul></div>
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