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Product Spec Banner
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RT8120 是一款单相同步降压 PWM DC-DC 控制器，设计用于驱动两个 N-MOSFET。它提供高精度、可程式化的输出电压，并透过内部 0.8V ±1%（可选 0.6V ±1.5%）参考电压，针对低电压需求进行精准调节。RT8120 采用单一回授回路电压模式 PWM 控制，以实现快速暂态响应。固定频率 300kHz 的振荡器可缩小外部电感与电容元件尺寸，以节省 PCB 板面积。RT8120 可提供快速暂态响应，以满足高电流输出应用，同时将外部元件数量降至最低。它适用于高效能绘图处理器、DDR 与 VTT 电源。RT8120 整合外部补偿误差放大器、内部软启动与输出启用功能。RT8120 采用 SOP-8 与 SOP-8 (Exposed Pad) 封装。
RT8120 电路图
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<div class="spec-list"><ul class="lv1"><li>Wide Input Voltage Range : 3V to 13.2V </li><li>Embedded Switching Boot Diode </li><li>0.8V ±1%, 0.6V ±1.5% Internal Reference </li><li>Shoot-Through Protection and Short Pulse Free Technology for Gate Drivers </li><li>Fixed Frequency 300kHz </li><li>Internal Soft-Start </li><li>Over Current Protection by Sensing MOSFET R<sub>DS(ON)</sub> </li><li>Enable/Shutdown Control </li><li>Drives Two N-MOSFETs </li><li>Full Duty Cycle : 0% to 85% </li><li>Fast Transient Response </li><li>Voltage Mode PWM Control with External Feedback Loop Compensation </li><li>Pinless LGATE Over Current Setting (LGOCS) </li><li>Under Voltage Protection </li><li>SOP-8 and SOP-8 (Exposed Pad) Packages </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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RT8120 订购信息
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RT8120
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<div class="spec-list"><ul class="lv1"><li>System (Graphic, MB) with 5V or 12V Power </li><li>Graphic Cards (AGP 8X, 4X, PCI Express*16) </li><li>3.3V to 12V Input DC-DC Regulators </li><li>Low Voltage Distributed Power Supplies </li></ul></div>
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