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RT8120G/H 是通过驱动两只 N-MOSFET 实现的单相同步 Buck 控制器，可藉其自身具有的 0.8V±1% 或 0.6V±1.5% 参考电压提供可调节的高精度低压输出。它使用单反馈回路的电压模式控制架构实现快速的瞬态响应，使用 300kHz 的固定工作频率，外部电感和电容尺寸较小，可减少 PCB 占用面积。它在大电流应用中具有快速瞬态响应能力，同时具有外部元件少的优势，适用于高性能图像处理器、DDR 存储器 VTT 电源等应用。其误差放大器使用外接补偿电路，内置软启动和输出使能功能，以 SOP-8 和含有散热焊盘的 SOP-8 封装供货。
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<li class="mv5">输入电压范围：3V~13.2V</li><li class="mv5">内建自举二极管</li><li class="mv5">内建 0.8V±1% 或 0.6V± 参考电压源</li><li class="mv5">栅极驱动器具有直通保护和短脉冲消除功能</li><li class="mv5">300kHz 固定工作频率</li><li class="mv5">内置软启动</li><li class="mv5">利用 MOSFET R<SUB>DS(ON)</SUB> 进行过流保护</li><li class="mv5">使能/关机控制</li><li class="mv5">驱动两只 N-MOSFET</li><li class="mv5">占空比范围：0%~85%</li><li class="mv5">快速瞬态响应</li><li class="mv5">使用外加反馈补偿的电压模式控制架构</li><li class="mv5">共用 LGATE 实现过流阈值设定</li><li class="mv5">欠压保护</li><li class="mv5">SOP-8 和 PSOP-8 封装</li><li class="mv5">符合 RoHS 规范，不含卤素</li>
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<li class="mv5">使用 5V 或 12V 电源的显卡、主板等系统</li><li class="mv5">图像卡</li><li class="mv5">3.3V~12V 输入的 DC/DC 稳压器</li><li class="mv5">低压分布式电源</li>
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