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Product Spec Banner
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RT9278 是一款高效率的同步升壓轉換器，為採用2~3節鹼性/鎳氫電池或單節鋰離子/聚合物電池的設備提供了一個很好的電源解決方案。它的 Boost 轉換器採用了 PWM 控制環路和同步整流器，可提供高達95%的效率，內部開關的峰值電流限制是2A，在輸入電壓超過設定的輸出電壓時仍能將輸出電壓穩定在設定值上。它的輸出電壓可由外部電阻分壓器進行設定，也可選擇固定電壓的版本以減少外部元件。它集成了一個線性控制器以實現線性穩壓。RT9278的封裝是 VDFN-10L 3x3。
RT9278 電路圖
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<div class="spec-list"><ul class="lv1"><li>效率高達95%的同步升壓轉換器 </li><li>具有很高的負載能力 </li><li>開關電流限制為 2A </li><li>輸入電壓範圍為 1.5V~5.5V </li><li>600kHz 固定工作頻率 </li><li>輸出電壓可調，最高為 5.5V </li><li>可在輸入電壓超過輸出電壓設定值時保持輸出電壓穩定 </li><li>關機狀態下耗電 1μA </li><li>使用外部補償網路 </li><li>內建線性控制器實現線性調節功能 </li><li>有過溫保護功能 </li><li>小型10引腳 VDFN 封裝 </li><li>符合 RoHS 規範，100%無鉛封裝 </li></ul></div>
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productImageSwitcher
RT9278 訂購資訊
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RT9278
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RT9278
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<div class="spec-list"><ul class="lv1"><li>Digital Still Camera </li><li>Camera White LED Flash Light </li><li>PDAs </li><li>Portable Device </li></ul></div>
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keywordList
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i18n(support-card-item.ordering.url)
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i18n(support-card-item.sales.title)
i18n(support-card-item.sales.description)
i18n(support-card-item.sales.learn-more-text)
i18n(support-card-item.sales.url)
salesSupportCard
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