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RT9682A/B是高效同步Buck转换器的功率级组件,内部包含两只不对称的MOSFET和一个驱动器,其设计针对同步Buck转换器应用进行了优化,上桥MOSFET电容小、栅极充电电荷少,开关速度快,符合低占空比应用的需求;下桥MOSFET具备超低R<sub>DS(ON)</Sub>特性,可最小化导通损耗。RT9682A/B还有众多的特性使其成为用途广泛的功率模组,它的驱动器中包含有自举二极管;下桥MOSFET可被驱动于二极管仿真模式,可在轻载情形下以异步模式工作,使轻载工作效率得到明显改善;它的引脚布置经过特别优化,电流路径感抗低,寄生参数及其影响均被最小化。</br>RT9682A/B的封装形式为晶核倒装的UQFN-11HL 3x3 (FC)。
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<li class="mv5">工作频率最高达1MHz</li><li class="mv5">针对5V PWM信号的型号为RT9682A</li><li class="mv5">针对3V PWM信号的型号为RT9682B</li><li class="mv5">输入电压最高达23V</li><li class="mv5">有过热保护</li><li class="mv5">最大持续负载电流达12A</li><li class="mv5">低静态耗电</li><li class="mv5">支持三态PWM输入</li><li class="mv5">集成自举二极管</li><li class="mv5">使用高功率密度的UQFN-11HL 3x3 (FC) 封装</li>
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<li class="mv5">笔记本电脑</li><li class="mv5">无线充电解决方案</li><li class="mv5">VCORE和DDR电源解决方案</li>
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