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RT7250A/B系列為高效率的同步Buck轉換器,工作頻率為340kHz/800kHz,在4V至17V的輸入電源範圍可提供最高為2A的輸出電流。RT7250A/B採用電流模式架構,可優化瞬態回應的特性。逐週期電流限制保護元件免受輸出短路影響;軟啟動功能可在啟動過程中消除輸入端電流衝擊。故障保護包括輸出欠壓保護、輸出過壓保護、過熱保護。低電流消耗(<5μA)之電源關機模式會將輸出關閉,有助於電池供電系統的電源管理。RT7250A/B支持PSOP-8的封裝規格。
RT7250A/RT7250B 電路圖
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orderingInformationSection
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designToolSection
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i18n(tabs.product-detail.title)
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i18n(tab-item.product-feature-section.title)
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<div class="spec-list"><ul class="lv1"><li>輸入電壓範圍:4V~17V </li><li>負載能力:2A </li><li>內部集成N-MOSFET功率開關 </li><li>電流模式控制架構 </li><li>固定工作頻率:340kHz/800kHz </li><li>輸出電壓可調範圍:0.8V~12V </li><li>效率高達95% </li><li>內部補償 </li><li>與低ESR陶瓷輸出電容配合可穩定工作 </li><li>逐週期過流限制保護 </li><li>輸入欠壓鎖定保護 </li><li>輸出欠壓保護 </li><li>輸出過壓保護 </li><li>Power Good指示 </li><li>過熱關機保護 </li><li>符合RoHS規範,不含鹵素 </li></ul></div>
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RT7250A/RT7250B 訂購資訊
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RT7250A/RT7250B
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<div class="spec-list"><ul class="lv1"><li>工商業低功率系統 </li><li>電腦週邊 </li><li>液晶顯示器和電視機 </li><li>節能電器 </li><li>高性能DSP、FPGA、ASIC的負載點調節器 </li></ul></div>
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keywordList
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i18n(support-card-item.sales.learn-more-text)
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