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Product Spec Banner
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RT7752系列產品是針對USB PD和可程式設計電源適配器應用而開發的PWM控制器，可與RT7202等控制器配合構成完整系統，具有轉換效率高、符合各種安全標準的特性，在5V輸出的應用中可以獲得低於50mW的待機功率。</br>RT7752針對輸出電壓範圍很寬的應用加入了一些開創性的設計，其DMAG端可對輸出電壓進行檢測，在此基礎上可對環路增益進行調節以實現系統穩定、對輸出過壓保護閾值進行調整以確保負載安全、調整電流限制閾值以符合受限電源 (Limited Power Source, LPS) 的安全需求。</br>RT7752也同時具有常規的電源保護特性如Brown-In/Brown-Out保護、VDD過壓保護、輸出過壓/欠壓保護、二次側整流二極體短路保護、週邊過熱保護等。借助連接在CS端的電流檢測電阻，RT7752可在全輸入電壓範圍內獲得精確的線路補償，實現恒輸出功率調節。對於二次側所出現的故障，例如RT7202或分流調節器出現了故障，RT7752也能提供保護作用。</br>RT7752與RT7202的結合能帶來強壯、安全的設計，可防範電源系統在與各種已知或未知的設備、電纜、插頭座等連接時可能出現的各種錯誤所帶來的安全風險。
RT7752 電路圖
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<div class="spec-list"><ul class="lv1"><li>針對自我調整輸出電源應用進行了優化 <ul class="lv2"> <li></li><li>VDD電壓範圍寬：10V至40V </li><li>自我調整輸出過壓保護 </li><li>自我調整過流保護 </li><li>自我調整環路增益 </li></ul> </li><li>轉換效率高 <ul class="lv2"> <li></li><li>輕載、空載時自動工作於節能模式 </li></ul> </li><li>全面的保護 <ul class="lv2"> <li></li><li>輸入電容Brown-In/Brown-Out保護 </li><li>VDD過壓保護 </li><li>輸出過壓/欠壓保護 </li><li>週邊過熱保護 </li><li>二次側整流管短路保護 </li><li>可程式控制線路補償 </li></ul> </li><li>其他特性 <ul class="lv2"> <li></li><li>5V電源待機功耗小於50mW </li><li>驅動能力：300mA/-300mA </li><li>使用SmartJitter™技術 </li></ul> </li></ul></div>
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RT7752 訂購資訊
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RT7752
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RT7752
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designToolSection
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<div class="spec-list"><ul class="lv1"><li>USB PD電源和可程式設計電源適配器 </li></ul></div>
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keywordList
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