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buttonContactUs
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RT8241E為提供高效率、優越的暫態回應與高直流輸出穩定度的降壓型PWM 控制器，適用於電池降壓供電予筆記型電腦內部具有低壓電源需求的CPU核心、I/O與RAM晶片等應用。 RT8241E 支援晶片電壓可程式設計功能，可透過GX數位輸入編成電壓範圍0.675V 至0.9V。PWM的固定導通時間架構可允許較廣的輸入/輸出電壓比，並可在固定的切換頻率下提供100ns "instant-on" 的負載回應特性。RT8241E具備高效率並可不必裝設以往傳統PWM電流模式所必要的電流感測電組以達到低電路設計成本的優勢，並可藉由驅動同步整流MOSFET並進入二極體仿效模式以達到輕載狀態的高效率表現。其降壓轉換特性允許裝置電池達到最高效率的條件下進行高低壓轉換。RT8241E為專用於CPU核心、DRAM或其他需要低於0.675V的應用設計。RT8241E 支持 WQFN-12L 2x2 的封裝。
RT8241E 電路圖
anchor
productDetailSection
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orderingInformationSection
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<div class="spec-list"><ul class="lv1"><li>符合Intel 的VCCSA 電壓回轉率(Voltage Slew Rate)標準 </li><li>內建 1% 精度的參考電壓 </li><li>2-Bit 的可規劃與暫態支援的輸出電壓 </li><li>100ns的快速負載回應 </li><li>可藉由低端R<sub>DS(ON)</sub>感測的 4700ppm/°C 電流限制設計 </li><li>4.5V 至 26V的電池輸入範圍 </li><li>內建斜坡電流限制的緩起動控制 </li><li>可驅動大型同步整流FET </li><li>內建自舉開關 </li><li>電壓過高/過低保護功能 </li><li>過熱關機保護 </li><li>電源良好信號指示 </li><li>符合RoHS規範與無鹵特性 </li></ul></div>
24
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i18n(tabs.ordering-information.title)
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orderingDetailSection
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productImageSwitcher
RT8241E 訂購資訊
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products
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technical-documents
RT8241E
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RT8241E
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<div class="spec-list"><ul class="lv1"><li>Notebook Computers </li><li>CPU/GPU Core Supply </li><li>Chipset/RAM Supply </li><li>Generic DC/DC Power Regulator </li></ul></div>
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keywordList
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salesSupportCard
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