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RT8124A为用于驱动两组N-MOSFET的单相同步降压型 DC/DC PWM 控制器，可提供高精确率、可设计的输出电压，可借由内部的0.6V 参考电压以因应低调节电压的需求。RT8120应用单回授的PWM电压模式控制以因应快速的暂态回应。高驱动能力使它适用于大输出电流应用。固定的操作频率300kHz降低了所需外加电感与电容的元件大小并节省PCB面积。RT8124A整合了过电流保护、过电压保护、欠电压保护以及过热保护于WDFN-10L 3x3封装。
RT8124A 电路图
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<div class="spec-list"><ul class="lv1"><li>输入电压范围:5V 至12V </li><li>驱动两组N-MOSFET </li><li>固定操作频率300kHz </li><li>具外部回馈补偿的电压模式PWM控制 </li><li>借由感测MOSFET R<sub>DS(ON)</sub>的过电流保护 </li><li>脚位致能/关机 控制 </li><li>责任周期范围:0% 至90% </li><li>快速暂态回应 </li><li>符合RoHS规范与无卤特性 </li></ul></div>
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RT8124A 订购信息
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RT8124A
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RT8124A
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<div class="spec-list"><ul class="lv1"><li>主机板和桌机伺服器 </li><li>显示卡 </li><li>开关电源 </li><li>通用DC / DC电源稳压器 </li></ul></div>
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