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Product Spec Banner
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RT8120G/H 是通過驅動兩隻 N-MOSFET 實現的單相同步 Buck 控制器，可藉其自身具有的 0.8V±1% 或 0.6V±1.5% 參考電壓提供可調節的高精度低壓輸出。它使用單反饋回路的電壓模式控制架構實現快速的瞬態回應，使用 300kHz 的固定工作頻率，外部電感和電容尺寸較小，可減少 PCB 佔用面積。它在大電流應用中具有快速瞬態回應能力，同時具有外部元件少的優勢，適用於高性能影像處理器、DDR 記憶體 VTT 電源等應用。其誤差放大器使用外接補償電路，內置軟啟動和輸出使能功能，以 SOP-8 和含有散熱焊盤的 SOP-8 封裝供貨。
RT8120G/RT8120H 電路圖
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<div class="spec-list"><ul class="lv1"><li>输入电压范围：3V~13.2V </li><li>内建自举二极管 </li><li>内建 0.8V±1% 或 0.6V± 参考电压源 </li><li>栅极驱动器具有直通保护和短脉冲消除功能 </li><li>300kHz 固定工作频率 </li><li>内置软启动 </li><li>利用 MOSFET R<sub>DS(ON)</sub> 进行过流保护 </li><li>使能/关机控制 </li><li>驱动两只 N-MOSFET </li><li>占空比范围：0%~85% </li><li>快速瞬态响应 </li><li>使用外加反馈补偿的电压模式控制架构 </li><li>共用 LGATE 实现过流阈值设定 </li><li>欠压保护 </li><li>SOP-8 和 PSOP-8 封装 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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RT8120G/RT8120H 訂購資訊
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RT8120G/RT8120H
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RT8120G/RT8120H
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<div class="spec-list"><ul class="lv1"><li>使用 5V 或 12V 電源的顯卡、主機板等系統 </li><li>圖像卡 </li><li>3.3V~12V 輸入的 DC/DC 穩壓器 </li><li>低壓分散式電源 </li></ul></div>
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