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RT3674 是一款同步降壓控制器，支援三組輸出電壓軌，並可完全符合 AMD SVI3 要求。RT3674 採用 G-NAVP<sup>TM</sup>（Green Native AVP），這是 Richtek′s 專有的拓撲架構，由具有限 DC 增益的 EA 放大器結合電流模式控制所衍生，可輕鬆設定 droop，以滿足所有 AMD CPU/GPU 對 AVP（Adaptive Voltage Positioning）的要求。基於 G-NAVP<sup>TM</sup> 拓撲，RT3674 具備新一代快速反應機制（Adaptive Quick Response, AQR），可在負載暫態期間優化 AVP 效能並減少輸出電容。RT3674 整合高精度 ADC 用於回報，並整合非揮發性記憶體（NVM）以儲存自訂配置，例如輸出電流比例、自動加相/減相閾值、切換頻率、過電流閾值或 AQR 觸發位準。它亦具備完整的故障保護功能，包括過電壓（OV）、欠電壓（UV）、過電流（OC）及欠電壓鎖定（UVLO）。RT3674 為每組輸出電壓軌提供獨立的使能、power good 與溫度感測功能。它亦支援多項可透過 I<sup>2</sup>C 介面設定的功能。
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<div class="spec-list"><ul class="lv1"><li>AMD SVI3 Rev 1.01 Compatible </li><li>4/3/2/1 Phase (Rail A) +1 Phase (Rail B) +1 Phase (Rail C) PWM Controller </li><li>G-NAVP<sup>TM</sup> (Green Native Adaptive Voltage Positioning) Topology </li><li>0.5% DAC Accuracy </li><li>Differential Remote Voltage Sensing </li><li>Built-in ADC for Reporting </li><li>Accurate Current Balance </li><li>Diode Emulation Mode (DEM) at Light Load </li><li>Fast Transient Response: Adaptive Quick Response (AQR) </li><li>OVP, OCP and UVP with Flag </li><li>Switching Frequency Setting </li><li>Auto Phase Add/Drop with DEM for Excellent Efficiency </li><li>Voltage on the Fly (VOTF) Enhancement </li><li>Acoustic Noise Suppression </li><li>Zero Load-line </li><li>Standard I<sup>2</sup>C Protocol Interface <ul class="lv2"> <li></li><li>Internal Non-Volatile Memory (NVM) to Store Custom Configurations </li><li>Current Balance Gain Adjustment for Thermal Balance </li><li>Dynamic Load-line Setting </li><li>Voltage Offset Setting </li><li>Fixed VID Setting </li><li>Protection Report and Protection Disable </li><li>Output Voltage/Output Current/Temperature/ Input Power Monitoring </li></ul> </li><li>Soldering Good Detection </li><li>Small 60-Lead WQFN Package </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>SVI3 AMD Core Supply </li><li>Desktop and Notebook Computer </li><li>AVP Step-Down Converter </li></ul></div>
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