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
RT7257G為高效率的DC/DC單晶片同步降壓型轉換器，輸入電壓範圍從4.5V至18V，輸出電流至3A。RT7257G的電流模式架構與外部的補償機制可因應大範圍的輸入與負載變化的暫態回應進行優化的補償。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。此外RT7257G提供低電壓保護與熱關斷保護功能，低電流消耗(<3μA)的關斷模式則可斷開與輸出的連接，實現簡易的電池供電系統中的電源管理。RT7257G採用SOP-8(裸露焊盤)的封裝規格。
RT7257G 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>±1.5% 高精準度參考電壓 </li><li>4.5V 至 18V輸入電壓範圍 </li><li>3A 輸出電流 </li><li>整合的 N-MOSFET 開關 </li><li>電流模式控制 </li><li>固定操作頻率 : 800kHz </li><li>可調輸出電壓範圍 0.8V 至 12V </li><li>效率高達 95% </li><li>可設計的緩啟動機制 </li><li>可採用低ESR的陶瓷電容做為輸出電容 </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>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
RT7257G 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
RT7257G
technicalDocumentMultipleTable
width
fixed-width
id
technicalDocumentationSection
design-tools
RT7257G
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>Wireless AP/Router </li><li>Set-Top-Box </li><li>Industrial and Commercial Low Power Systems </li><li>LCD Monitors and TVs </li><li>Green Electronics/Appliances </li><li>Point of Load Regulation of High-Performance DSPs </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