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RT8121 是集成了 MOSFET 驱动器的单相 Buck 架构 PWM 控制器,可为先进的微处理器应用如 VR12 VCCIO 供电。它保持了多相产品的特性,但却有单相产品的优点,可满足低电流应用系统的需求。它具有可调的工作频率、Power Good 指示、外部补偿、过压保护、过流保护、外部可调偏移电压、强化的负载瞬态响应(快速响应)等特性,还有使能/关机控制功能,可在不同的应用中获得优化的解决方案。其封装为 WQFN-20L 3x3。
单相的功率转换
集成包含自举二极管的 MOSFET 驱动器
符合 VR12 VCCIO 需求的 1位 VID 对照表
连续差分电感 DCR 电流检测技术
可调节的软启动
可调节的工作频率,典型值为 200kHz
Power Good 指示
可调过流保护
过压保护
过热保护
WQFN 封装
符合 RoHS 规范,不含卤素
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