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RT5086D是专用于3.3V或5V电源输入的SSD (Solid State Drive, 固态硬盘驱动器) 的完整电源解决方案,内含6个Buck降压转换器,可以不同的时序支持各种不同负载的应用。RT5086D提供可配置的输出为SSD控制器、NAND闪存、I/O接口和DRAM存储器供电,它使用专用的I2C接口支持动态电压调整功能,也支持低功耗模式以最小化待机状态下的电源消耗。
电源输入电压范围:2.9V至5.5V
6个高效低压Buck转换器►10mA负载下效率高达85%►CH1:2.3V至3.45V输出,50mV级差,负载能力4A►CH2:0.9V至1.575V输出,25mV级差,负载能力1A►CH3:0.9V至2.1V输出,50mV级差,负载能力1.5A►CH4:1.1V至1.65V或3V至3.6V输出,级差50mV,负载能力2A►CH5:1.4V至3.6V输出,100mV级差,负载能力1A►CH6:0.7V至1.3V输出,25mV级差,负载能力4A►预设工作频率:CH2/3为2MHz,CH5为1MHz,CH6为2.5MHz►CH4预设工作频率:1.1V至1.65V输出时为2MHz,3V至3.6V输出时为1MHz►CH1:2MHz预设工作频率,0.8MHz至2.3MHz程控可调
VSEL0 & VSEL1 & VSEL2 & VSEL3用于预设输出电压
低功耗模式下静态电流消耗超低
高速I2C接口用于输出设置
POR阈值可选,开漏POR指示
启动期间确定电源时序
具过压保护、欠压保护、欠压锁定保护功能
具热关机保护功能
CH1/4/5支持旁路模式和Buck模式
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