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
RT8129A 是一款單相同步降壓控制器（Single-Phase Synchronous Buck Controller），支援 5V 或 12V 電源供應。產品整合固定導通時間控制（Constant-On-Time，COT）PWM 控制器以及 MOSFET 驅動器，並內建自舉二極體（Bootstrap Diodes），專為提升輕載條件下的轉換效率而設計。 在輕載運作時，RT8129A 可自動進入二極體模擬模式（Diode Emulation Mode），藉由降低開關頻率來減少功率損耗，進一步提高整體轉換效率。 RT8129A 還提供 Power Good 狀態指示、Enable/Disable 控制以及內建軟啟動（Soft-Start）功能，可簡化系統設計並改善系統啟動特性。此外，產品整合完整保護機制，包括過壓保護（OVP）、欠壓保護（UVP）、過電流保護（Current Limit）以及過溫保護（Thermal Shutdown），以提升系統安全性與可靠性。 本產品採用無耗損低側 MOSFET 導通電阻（RDS(ON)）電流感測技術進行過電流保護。保護門檻可透過在 LGATE/OCSET 與 GND 腳位之間連接外部電阻進行調整，提供更高的設計彈性。 憑藉上述功能，RT8129A 能為各類高效率電源轉換應用提供兼具性能與成本效益的解決方案。 RT8129A 採用 WDFN-10L 3mm × 3mm 封裝。
RT8129A 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>Wide Input Voltage Range : 2.5V to 25V </li><li>High Light Load Efficiency </li><li>Integrated High Driving Capability N-MOSFET Gate </li><li>Drivers and Embedded Switching Boot Diode </li><li>Single IC Supply Voltage : 4.5V to 13.2V </li><li>Power-Good Indicator </li><li>Enable/Disable Control </li><li>Internal Soft-Start </li><li>Programmable Current Limit Threshold </li><li>Under Voltage Protection </li><li>Over Voltage Protection </li><li>Thermal Shutdown </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
RT8129A 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
RT8129A
technicalDocumentMultipleTable
width
fixed-width
id
technicalDocumentationSection
design-tools
RT8129A
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>Motherboard, Memory/Chip-set Power </li><li>Graphic Card, GPU/Memory Core Power </li><li>Low Voltage, High Current DC/DC Regulator </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