8
8
8
4
1rem
1rem
1rem
1rem
rt-dark-800
headline-3
false
true
basicInfoTitle
12
12
12
12
left
buttonParametricSearch
text-with-icon
i18n(button-item.parametric-search.button-label)
i18n(button-item.parametric-search.button-link)
_self
true
buttonDatasheet
text-with-icon
secondary
i18n(button-item.datasheet.button-label)
i18n(button-item.datasheet.button-link)
_self
true
buttonContactUs
text-with-icon
secondary
i18n(button-item.contact-us.button-label)
i18n(button-item.contact-us.button-link)
_self
true
36
24
24
12
rt-dark-800
basicInfoSubtitle
width
fixed-width
altText
Product Spec Banner
backgroundColor
FFFFFF
id
basicInfoSection
basicInfoImageSwitcher
RT8234A 是同时集成了一个3A线性稳压器的低成本同步 Buck PWM 控制器，可将笔记型电脑中的电池高电压转换为低电压供系统使用，具有转换效率高、瞬态回应特性好、输出电压精度高等特点。采用固定导通时间控制架构的 PWM 控制器可在维持基本固定工作频率的情况下面对宽阔的输入/输出电压比，在负载发生瞬变时提供即时回应的能力。在音讯应用中，控制器可被设定在超声工作模式（USM）以维持高于 30kHz 的工作频率，避免造成音讯干扰。RT8234A 无需使用昂贵的电流检测电阻，可为 CPU 内核、晶片组、DRAM 和其它低压负载提供低达 0.75V 的电源供应。内部整合的 3A 低压差线性稳压器具有快速瞬态回应特性，仅需使用 20μF 陶瓷输出电容即可稳定工作。线性稳压器的输入来自于外部电源供应，最大程度地降低了总的电源消耗。RT8234A 以 WQFN-16L 3x3 的封装供货。
RT8234A 电路图
width
fixed-width
id
basicInfoImageSection
anchor
productDetailSection
i18n(anchor-tab.product-detail-section.title)
productDetailSectionAnchorTab
orderingInformationSection
i18n(anchor-tab.ordering-information-section.title)
orderingInformationSectionAnchorTab
technicalDocumentationSection
i18n(anchor-tab.technical-documentation-section.title)
technicalDocumentationSectionAnchorTab
designToolSection
i18n(anchor-tab.design-tool-section.title)
designToolSectionAnchorTab
applicationSection
i18n(anchor-tab.application-section.title)
applicationSectionAnchorTab
supportSection
i18n(anchor-tab.support-section.title)
supportSectionAnchorTab
width
full-width
id
anchorSection
24
24
24
24
i18n(tabs.product-detail.title)
productDetailTabs
i18n(tab-item.parameter-section.title)
parameterSection
parameterSectionTab
i18n(tab-item.package-size-pin-size-section.title)
packageSizePinsSizeSection
packageSizePinsSizeSectionTab
i18n(tab-item.product-feature-section.title)
productFeatureSection
productFeatureSectionTab
24
24
24
24
buttonSeeProductDifferences
text-with-icon
right
secondary-m
tertiary
i18n(button-item.see-product-differences.button-label)
i18n(button-item.see-product-differences.button-link)
_self
false
buttonFindOtherCategory
text-with-icon
right
secondary-m
tertiary
i18n(button-item.find-other-category.button-label)
i18n(button-item.find-other-category.button-link)
_self
false
32
32
32
32
width
fixed-width
backgroundColor
F5F6F8
id
productDetailSection
scrollable-table
parameterTable
width
fixed-width
id
parameterSection
normal-table
table-group
package-size-pins-size
packageSizePinsSizeTable
width
fixed-width
id
packageSizePinsSizeSection
productFeature
<div class="spec-list"><ul class="lv1"><li>PWM 控制器 </li><li>宽输入电压范围： 4.5V~26V </li><li>可调输出电压范围： 0.75V~3.3V </li><li>电阻可程式设计电流限制阈值 </li><li>100ns 快速步阶负载响应时间 </li><li>全输入/负载范围内输出电压 V<sub>OUT</sub> 精度为1% </li><li>电阻可程式设计工作频率 </li><li>过压/欠压保护 </li><li>软启动期间线性电流限制 </li><li>具备驱动大功率同步整流 MOSFET 的能力 </li><li>电源准备好指示信号 </li><li>低压差线性稳压器 </li><li>输出电流能力达 3A </li><li>全输入/负载范围内电压精度为1% </li><li>低达 0.75V 的可调输出电压 </li><li>独立的使能和电源准备好指示信号 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
width
fixed-width
id
productFeatureSection
24
24
24
24
i18n(tabs.ordering-information.title)
orderingInformationTabs
i18n(tab-item.product-section.title)
productSection
productSectionTab
i18n(tab-item.evb-section.title)
evbSection
evbSectionTab
i18n(tab-item.ordering-detail-section.title)
orderingDetailSection
orderingDetailSectionTab
24
24
24
24
width
fixed-width
id
orderingInformationSection
productImageSwitcher
RT8234A 订购信息
normal-table
card-list
products
productTable
width
fixed-width
id
productSection
evbImageSwitcher
normal-table
card-list
evb
evbTable
width
fixed-width
id
evbSection
orderingDetail
width
fixed-width
id
orderingDetailSection
technical-documents
RT8234A
technicalDocumentMultipleTable
width
fixed-width
id
technicalDocumentationSection
design-tools
RT8234A
designToolMultipleTable
width
fixed-width
id
designToolSection
32
56
56
56
rt-blue-800
i18n(text.application-title.text-content)
applicationTitle
withLine
24
24
24
24
<div class="spec-list"><ul class="lv1"><li>Notebook Computers </li><li>CPU Core Supply </li><li>Chipset/RAM Supply as Low as 0.75V </li></ul></div>
applicationContent
35
35
35
35
keywordList
56
56
56
56
width
fixed-width
id
applicationSection
rt-blue-800
i18n(text.support-card-title.text-content)
supportCardTitle
withLine
40
40
40
24
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
i18n(support-card-item.ordering.title)
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
56
56
56
32
width
fixed-width
id
supportSection