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Product Spec Banner
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RT8230A/B/C/D/E 是雙通道 Buck 控制器，用於為電池供電的系統生成穩定的電壓。其中包含兩組輸出電壓 2V~5.5V 可調的 PWM 控制器和兩組固定 5V/3.3V 輸出的線性穩壓器，每組線性穩壓器可輸出最大 100mA 的電流，5V 線性穩壓器為 PWM 驅動器提供電源。RT8230A/B/C/D/E 具有片內上電時序管理功能、Power Good 輸出、內部軟啟動功能，還有輸出端關機軟放電功能避免負電壓的出現。</br>它採用固定導通時間控制技術，沒有電流檢測電阻，對負載瞬變具有 100ns 快速回應能力。為了消除音訊應用雜訊，還具有超聲工作模式，可將工作頻率維持在 25kHz 以上。為了獲得最高的轉換效率，它在輕載條件下會自動進入二極體模擬模式工作。其封裝為 WQFN-20L 3x3。
RT8230A/RT8230B/RT8230C/RT8230D/RT8230E 電路圖
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<div class="spec-list"><ul class="lv1"><li>最高責任週期達 96% </li><li>CCRCOT 控制技術，具備 100ns 步階負載響應能力 </li><li>5V~25% 輸入電壓範圍 </li><li>兩路可調輸出電壓範圍： <ul class="lv2"> <li></li><li>CH1：2V~5.5V </li><li>CH2：2V~4V </li></ul> </li><li>3.3V/5V LDO 輸出能力：100mA </li><li>3.3V LDO 輸出電壓精度 1% </li><li>經 TON 設定頻率可調 </li><li>4700ppm/<sub> </sub>°C R<sub>DS(ON)</sub> 電流檢測 </li><li>可調電流限制與使能控制使用同一端子 </li><li>內建軟啟動和阮芳殿功能 </li><li>熱關機保護 </li><li>符合 RoHS 規範，不含鹵素 </li></ul></div>
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RT8230A/RT8230B/RT8230C/RT8230D/RT8230E 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>筆記型電腦 </li><li>2~4芯鋰離子電池供電設備 </li></ul></div>
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