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Product Spec Banner
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RT8115 是一款高效率單相同步降壓 DC/DC 控制器，具備 5V/12V 供應電壓。此 IC 採用綠色電壓模式 (GVM<sup>TM</sup>) 控制，專為提升輕載條件下的轉換器效率而設計。在輕載條件下，此 IC 會自動以固定導通時間 PFM 的二極體模擬模式運作，以降低切換頻率並提升轉換效率。隨著負載電流增加，RT8115 會離開二極體模擬模式 (DEM)，並以固定頻率 PWM 在連續導通模式下運作。RT8115 內嵌具高驅動能力的 MOSFET 閘極驅動器，支援高達 12V 的驅動電壓，適用於高輸出電流應用。此元件使用無損低側 MOSFET R<sub>DS(ON)</sub> 電流感測技術進行過電流保護，並透過 LGATE 腳位 (LGOCS) 設定可調式臨界值。其他功能包括電源良好指示、啟用 / 停用控制與內部軟啟動。RT8115 亦提供故障保護功能，以保護功率級輸出。憑藉上述功能，此 IC 為客戶提供具成本效益的高效率電源轉換解決方案。RT8115 採用 WDFN-10L 3x3 封裝。
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<div class="spec-list"><ul class="lv1"><li>Green Voltage Mode (GVM<sup>TM</sup>) Control </li><li>High Light Load Efficiency </li><li>Single 5V to 12V Driver Voltage </li><li>Integrated High Driving Capability N-MOSFET Gate Drivers </li><li>300kHz Fixed Frequency Internal Oscillator </li><li>85% Maximum PWM Duty Cycle </li><li>Power Good Indicator </li><li>Enable/Disable Control </li><li>Adaptive Zero-Current Detection </li><li>Internal Soft-Start </li><li>Lossless Low-Side MOSFET R<sub>DS(ON)</sub> Current Sensing for Over-Current Fault Monitoring </li><li>LGATE Over-Current Setting (LGOCS) </li><li>Dedicated Output Voltage Monitor </li><li>OCP, UVP, OVP, OTP, UVLO </li><li>RoHs Compliant and Halogen Free </li></ul></div>
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<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>
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