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LT1761ES5-3.3#TRPBF是亚德诺半导体(ADI)旗下LINEAR系列的固定输出低压差线性稳压器(LDO),专为需要高输入电压耐受、低输出噪声、低静态功耗的中小负载供电场景设计。其核心定位是兼顾工业级环境适应性与精密模拟电路供电需求,适合紧凑型设计中的稳定电压转换,可替代同类普通LDO实现更严苛的性能要求。
该器件的参数围绕“稳定、低耗、低噪”三大设计目标,核心参数及实际意义如下:
内置过流保护(OCP)与过热保护(OTP):
采用TSOT-23-5封装,尺寸紧凑(典型尺寸2.9mm×1.6mm),可大幅节省PCB布局空间,适配便携式设备、小型化模块等对空间敏感的设计。
支持**-40℃至+125℃**的工业级工作温度(Ta),可在极端环境(如高温工业现场、低温户外设备)下稳定工作,无需额外散热设计即可满足多数工业场景需求。
LT1761ES5-3.3#TRPBF的特性使其适用于以下核心场景:
宽温范围适配工业现场的温度波动,低噪声输出为压力传感器、温度传感器等模拟前端提供纯净供电,3.3V稳定输出保障MCU、通信模块正常工作。
低静态电流延长电池续航,20μVrms低噪声满足心电图仪、血糖仪等设备的模拟信号采集需求,小封装适配手持设备的紧凑设计。
高输入电压耐受能力应对电源波动(如基站电源、车载电源的电压波动),100mA输出电流满足射频前端、蓝牙模块的供电需求,PSRR抑制电源纹波对射频信号的干扰。
宽温范围符合汽车级环境要求(部分车载场景覆盖-40℃至125℃),可用于车载显示屏背光控制、传感器供电等辅助模块,双重保护提升车载系统可靠性。
对比同类固定输出LDO,LT1761ES5-3.3#TRPBF的核心优势在于:
该器件是工业控制、便携医疗、通信终端等领域的高性价比供电解决方案。
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