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
RT7258為具有內部集成高端功率MOSFET與對低端外部功率MOSFET閘極驅動電路的同步驅動降壓型 DC/DC 轉換器，在4.5V至24V輸入範圍內輸出電流可高達8A。RT7258的電流模式架構允許操作在寬輸入電壓與負載範圍保有良好的暫態回應。逐週期形式的限流機制可在輸出短路時提供電路保護作用，緩啟動機制則可消除啟動瞬間的輸入電流湧浪的問題。RT7258可藉由外部的頻率訊號進行頻率範圍300Khz至1.5MHz的同步化操作。RT7258採用WDFN-14L 4x3 與 SOP-8 (裸露焊盤)的封裝規格。
RT7258 電路圖
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>4.5V 至 24V輸入電壓範圍 </li><li>8A輸出電流 </li><li>45mΩ內部整合的高端N-MOSFET開關 </li><li>電流模式控制 </li><li>600kHz 切換頻率 </li><li>0.808V 至 15V 可調輸出電壓範圍 </li><li>效率高達 95% </li><li>具內部的補償機制 </li><li>可採用陶瓷電容達到穩定 </li><li>外部頻率同步操作範圍：300kHz 至1.5MHz </li><li>逐週期的電流限制機制 </li><li>輸入低電壓鎖定機制 </li><li>輸出低電壓保護 </li><li>電源良好信號指示 </li><li>熱關斷保護 </li><li>符合RoHS規範與無鹵特性 </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
RT7258 訂購資訊
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
RT7258
technicalDocumentMultipleTable
width
fixed-width
id
technicalDocumentationSection
design-tools
RT7258
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>Point of Load Regulator in Distributed Power System </li><li>Digital Set top Boxes </li><li>Personal Digital Recorders </li><li>Broadband Communications </li><li>Flat Panel TVs and Monitors </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