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RT8079A 是负载能力为 3A 的高效同步 Buck 转换器,可在 2.95V~6V 输入电压范围内工作。RT8079A 可在全负载范围内提供 ±3% 的输出电压调节精度,工作频率高达 2MHz,有利于减小电感尺寸。它集成 45mΩ MOSFET 开关,典型电流消耗为 550μA,转换效率高。RT8079A 的欠压锁定保护电压阈值为 2.7V,也可在使能端使用外部电阻网络对此进行调节。RT8079A 具有电感电流限制保护、欠压锁定保护和过热关机保护等功能,其过热保护阈值为 145°C。RT8079A 使用 WQFN-16L 3x3 封装供货。
集成 45mΩ MOSFET 开关
输入电压范围:2.95V~6V
工作频率可调范围:300kHz~2MHz
负载能力:3A
效率高达 95%
可调软启动
Power Good 指示
使能控制
欠压锁定保护
过流限制保护
过热关机保护
16 引脚 WQFN 封装
符合 RoHS 规范,不含卤素
轻载工作模式:PSM (RT8079),FCCM(RT8079A)
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