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buttonDatasheet
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buttonContactUs
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Product Spec Banner
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RT4531是用於背光應用的雙通道電流源、高效率非同步升壓轉換器。由於RT4531內置1.5A/36V功率MOSFET和兩個高電流匹配能力汲取電流，所以RT4531可驅動多達10s2p白光LED。RT4531允許極低的電壓淨空控制，從而有效地提高LED串的效率。</br>RT4531支援PWM調光及單線數位調光介面，它可以實現10位元的亮度代碼編程。</br>RT4531提供完整的保護功能，如輸入欠壓鎖定（UVLO），過電流保護（OCP），輸出過壓保護（OVP）和過溫保護（OTP）。</br>RT4531採用WL-CSP-9B 1.35x1.35 (BSC)封裝。
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productFeatureSectionTab
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buttonSeeProductDifferences
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buttonFindOtherCategory
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right
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<div class="spec-list"><ul class="lv1"><li>輸入電壓範圍:2.5V~5.5V </li><li>內置軟啟動,UVLO, OTP, OCP, OVP </li><li>關機電流典型值:<1μA </li><li>1MHz開關頻率 </li><li>可驅動最多2串共10顆WLED </li><li>獨立PWM調光及單線數位調光控制 </li><li>高達10位元調光解析度 </li><li>LED電流精準度±2% (I<sub>FBx</sub> = 20mA) </li><li>LED電流一致性±2% (I<sub>FBx</sub> = 20mA) </li><li>內置IFB1/IFB2引腳過壓保護、短路保護及使用檢測 </li></ul></div>
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orderingInformationSection
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orderingDetailSection
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technicalDocumentationSection
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designToolSection
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<div class="spec-list"><ul class="lv1"><li>智慧型手機 </li><li>可攜式儀器 </li><li>小型媒體形式背光 </li><li>單節電池供電輸入的LCD螢幕 </li></ul></div>
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keywordList
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applicationSection
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supportCards
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i18n(support-card-item.technical-support.url)
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i18n(support-card-item.ordering.learn-more-text)
i18n(support-card-item.ordering.url)
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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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supportSection