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i18n(button-item.parametric-search.button-link)
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true
buttonDatasheet
text-with-icon
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i18n(button-item.datasheet.button-label)
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buttonContactUs
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Product Spec Banner
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RT2858 是采用 ACOT<sup>®</sup> 控制架构的同步 Buck 转换器，可在 4.5V~18V 输入范围内工作，负载能力达 3A。它可在宽阔的负载范围内提供极好的瞬态响应，适配各种类型的陶瓷电容，与低 ESR 的陶瓷输出电容配合工作时也具有很好的稳定性。即使输入、输出发生变化，其工作频率也基本保持不变。它集成了功率开关，在全输出范围内都能提供高转换效率。它通过下桥 MOSFET 进行电流检测，逐周期进行的电流限制可提供精确的保护。通过外部可调的软启动设计，启动期间的输入电流冲击得以消除。其保护性设计还包括输出欠压保护和过热关机保护。
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i18n(anchor-tab.product-detail-section.title)
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i18n(anchor-tab.ordering-information-section.title)
orderingInformationSectionAnchorTab
technicalDocumentationSection
i18n(anchor-tab.technical-documentation-section.title)
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designToolSection
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designToolSectionAnchorTab
applicationSection
i18n(anchor-tab.application-section.title)
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i18n(tabs.product-detail.title)
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parameterSectionTab
i18n(tab-item.package-size-pin-size-section.title)
packageSizePinsSizeSection
packageSizePinsSizeSectionTab
i18n(tab-item.product-feature-section.title)
productFeatureSection
productFeatureSectionTab
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buttonSeeProductDifferences
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false
buttonFindOtherCategory
text-with-icon
right
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parameterSection
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<div class="spec-list"><ul class="lv1"><li>ACOT<sup>®</sup> 控制架构，瞬态特性好，工作频率稳定，可与各种陶瓷电容配合稳定工作 </li><li>输入电压范围：4.5V~18V </li><li>输出电压可调范围：0.765V~8V </li><li>负载能力：3A </li><li>集成 120mΩ/50mΩ 开关 </li><li>转换效率最高达 95% </li><li>工作频率：650kHz </li><li>可调软启动 </li><li>使能控制 </li><li>输入欠压锁定保护 </li><li>过流保护和过热保护 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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productFeatureSection
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i18n(tabs.ordering-information.title)
orderingInformationTabs
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productSection
productSectionTab
i18n(tab-item.evb-section.title)
evbSection
evbSectionTab
i18n(tab-item.ordering-detail-section.title)
orderingDetailSection
orderingDetailSectionTab
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orderingInformationSection
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productSection
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orderingDetailSection
technical-documents
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technicalDocumentationSection
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designToolSection
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rt-blue-800
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<div class="spec-list"><ul class="lv1"><li>工商业低压电源系统 </li><li>计算机外设 </li><li>液晶显示器和电视机 </li><li>节能电器 </li><li>负载点调节器 </li></ul></div>
applicationContent
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keywordList
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applicationSection
rt-blue-800
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supportCards
i18n(support-card-item.technical-support.title)
i18n(support-card-item.technical-support.description)
i18n(support-card-item.technical-support.learn-more-text)
i18n(support-card-item.technical-support.url)
technicalSupportCard
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i18n(support-card-item.ordering.description)
i18n(support-card-item.ordering.learn-more-text)
i18n(support-card-item.ordering.url)
orderingSupportCard
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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fixed-width
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supportSection