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RT6160F 是一款高效率、单电感、采用 ACOT®(Advanced Constant On-Time)控制的单晶片同步升降压(buck-boost)转换器,可在 2.2V 至 5.5V 的输入电压范围内提供最高 3A 的输出电流。其可稳压数位可程式化的输出电压,范围为 2.025V 至 5.2V,因此适用于各式输入供电应用情境,不论输入电压低于、高于或等于输出电压皆可使用。ACOT® 控制架构具备优异的线路/负载瞬态响应、升压与降压模式间的无缝转换,并可在不需要复杂外部补偿的情况下,搭配小型陶瓷输出电容提供稳定运作。RT6160F 内建 I<sup>2</sup>C 介面,可用于输出电压可程式化、超音波模式控制、VOUT DVS 转换斜率(slew-rate)调整,以及装置状态监控。目标输出电压亦可透过外部 VSEL 脚位切换以执行 DVS(dynamic voltage scaling),且 DVS 的上升斜率与斜坡模式可透过设定相关暂存器来配置。RT6160F 具备自动 PFM(Pulse Frequency Modulation)模式,采用低静态电流设计,典型值仅 3μA,可在轻载运作时维持高效率。在较高负载下,装置会自动切换至 2.2MHz 固定频率控制,可使用小型封装的滤波元件有效平滑开关涟波电压。其整合的低 RDS(ON) 功率 MOSFET 在重载条件下展现优异效率。在关断模式下,供应电流典型值为 0.1μA,有助于降低功耗;若需要固定频率,亦可停用 PFM 模式。RT6160F 采用小型 WL-CSP-15B 1.4x2.3(BSC)封装。建议的接面温度范围为 −40°C 至 125°C,环境温度范围为 −40°C 至 85°C。
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