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MIC5205-5.0YM5-MS是美森科(MSKSEMI)推出的固定输出型线性稳压器(LDO),主打低静态电流、小体积封装,同时集成使能控制与短路保护功能,适用于对功耗敏感、空间受限的各类电子系统。
该器件的关键参数清晰覆盖稳压性能、功耗、可靠性等核心维度:
1.8μA的静态电流是该器件的核心亮点——在负载极轻或待机状态下,几乎不消耗额外功耗,特别适合电池供电类产品(如可穿戴设备、无线传感器节点),可显著提升单次充电后的工作时长。
24V的输入电压上限,使其可兼容从3.3V(最低输入电压,常规LDO补充)到24V的各类电源,无需额外降压前置电路,减少系统元件数量。
集成EN使能引脚(高电平有效),可通过外部MCU或逻辑电路开关输出:当系统进入休眠模式时,拉低EN引脚可关断输出,进一步降低待机功耗至接近0μA,实现精细化功耗控制。
输出短路时自动启动限流功能,避免器件过热损坏,同时保护后端负载电路,减少系统故障风险,尤其适合消费电子、医疗设备等对安全性要求较高的场景。
采用SOT23-5封装(尺寸约2.9mm×1.6mm×1.1mm),体积仅为传统TO-92封装的1/10左右,可轻松集成到智能手环、无线模块等紧凑产品中,满足小型化设计趋势。
该器件的特性决定了其广泛的应用范围,常见场景包括:
SOT23-5封装的引脚定义(通用设计):
引脚编号 功能描述 备注 1 EN(使能) 高电平有效,低电平关断输出 2 GND(地) 电源地 3 Vout(输出) 固定5V正极输出 4 Vin(输入) 24V最大输入电压 5 NC(空脚) 无连接,无需处理该器件凭借低功耗、小体积、高可靠性等优势,成为低功耗场景下稳压方案的高性价比选择,广泛适配各类小型化电子系统的供电需求。
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