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RT5091是输入电压为3.3V或5V的SSD（固态硬盘）完全电源管理解决方案，内含3路高效率的同步Buck转换器和1路线性稳压器，可从单一电源获得多个不同的电压输出，它具有足够的灵活性以特定的上电时序支持使用不同VID的应用。<Br>RT5091可根据ASIC内核、DDR存储器、闪存I/O和PHY的需求配置为不同的输出电压。通过其 I<SUP>2</SUP>C 接口，它支持动态电压调节，可进入PS3.5/PS电源状态将待机功率消耗降至最低。
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<div class="spec-list"><ul class="lv1"><li>输入电压范围：2.8V至5.5V </li><li>三组可配置的高效Buck转换器，预设工作频率为2MHz <ul class="lv2"> <li></li><li>CH1，ASIC内核电源，负载能力4A，输出电压可通过REFIN或I<sup>2</sup>C接口在0.7V至1.3V间以10mV为级距进行调节 </li><li>CH2，DRAM或NAND内核电源：Buck模式：固定或经FB2可调输出电压，负载能力2A旁通模式：负载开关及软起动控制，负载能力4A </li><li>CH3，闪存 I/O 电源，固定或经FB3可调输出电压，负载能力2A </li></ul> </li><li>一路低耗电线性稳压器为模拟电路和PHY供电，负载能力300mA，固定或经FB4可调输出电压，负载能力300mA </li><li>内建软启动和过流保护 </li><li>经STANDBY和PS3P5实现PS3.5和PS4电源状态控制 </li><li>用两个输出端控制外部调节器/开关 </li><li>一个端子检测外部调节器/开关输出电压 </li><li>经高速模式I<sup>2</sup>C接口对CH1输出电压进行调节 </li><li>PGOOD输出 </li><li>启动期间的电源时序控制 </li><li>过压保护、欠压保护、欠压锁定保护、热关机保护 </li><li>小型32引脚WQFN封装 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>固态硬盘 </li></ul></div>
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