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Product Spec Banner
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RT6542A是高性能的同步Buck PWM控制器，可應用于筆記型電腦中將電池高電壓轉換為低電壓為CPU內核、I/O晶片組、記憶體等供電，具有效率高、瞬態回應特性好、輸出電壓精度高等特性。它採用固定導通時間控制架構的PWM控制架構，可在很寬的輸入/輸出電壓比範圍內工作，提供100ns量級的負載瞬變回應速度，同時保持基本恒定的工作頻率。它在應用中無需使用傳統電流模式控制架構使用的電流檢測電阻，降低了成本，提高了效率。它具備驅動大型同步整流MOSFET開關的能力，可在輕載時工作於二極體模擬模式以提高效率。它支援片上調節輸出電壓的功能，僅需輸入數位式控制信號即可在0.85V~1.05V間改變其輸出電壓，其最低輸出電壓為0.7V。其封裝形式為WDFN-14L 3x2。
RT6542A 電路圖
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<div class="spec-list"><ul class="lv1"><li>支援Intel Cannon VR規範 </li><li>內建1%精度參考電壓源 </li><li>2位元可程式控制輸出電壓，電壓變化過程可控 </li><li>支援Intel低功耗模式 </li><li>利用下橋開關R<sub>DS(ON)</sub>檢測電流並實施可調節的電流限制，4700ppm/°C溫度補償 </li><li>輸入電壓範圍：3V~26V </li><li>內建軟啟動控制 </li><li>可驅動大型同步整流MOSFET開關 </li><li>集成自舉開關 </li><li>過壓/欠壓保護 </li><li>過熱關機保護 </li><li>Power Good指示 </li><li>14引腳WDFN封裝 </li><li>符合RoHS規範，不含鹵素 </li></ul></div>
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RT6542A 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>筆記型電腦 </li><li>CPU/GPU內核電源 </li><li>晶片組、記憶體電源 </li><li>通用DC-DC電源調節器 </li></ul></div>
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