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ADI/LINEAR LT8609AEMSE#TRPBF LT8609AEMSE
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR LT8609AEMSE#TRPBF
- Type
- ADI/LINEAR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- LT8609AEMSE#TRPBF
- Electronic Component
- 1
- Package
- MSOP-10-EP
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.1g
- Electronic Component
- 1
- Features
- Frequency Synchronous;; EMI Optimization; Output Voltage
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0264679030
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 3V~42V
- Switching Frequency
- 200kHz~2.2MHz
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LT8609AEMSE#TRPBF 同步降压DC-DC电源芯片产品概述
LT8609AEMSE#TRPBF是亚德诺半导体（ADI）旗下LINEAR系列的同步降压型DC-DC电源芯片，针对宽电压输入、低功耗、高效能及 harsh环境应用优化，具备内置开关管、可调输出、工业级温度范围等核心特性，广泛适配电池供电、工业控制、汽车电子等场景。
一、核心拓扑与整流设计
该芯片采用降压式拓扑结构，核心为同步整流方案（内置功率开关管），无需外部续流二极管，可简化外围电路设计并提升转换效率。输出通道为1路，输出电压可通过外部电阻网络灵活调节（范围782mV~42V），适配从低功耗传感器到中等功率负载的多种电压需求。内置开关管进一步减少外部元件数量，降低设计复杂度与成本。
二、宽电压输入输出能力
芯片支持3V~42V宽输入电压范围，覆盖常见电源场景：包括单节/多节锂电池（3.7V16.8V）、12V/24V工业电源、甚至42V高压供电系统；输出电压范围为**782mV42V**，可精准设置为5V、3.3V、12V等常用电压，最大输出电流达3A，满足微处理器、无线通信模块、电机驱动等中等功率负载的供电需求。
三、高效能与低静态电流特性
同步整流设计使转换效率最高可达90%以上（典型工况），减少热损耗；静态电流仅1.7uA（典型值），是同类产品中较低水平，可显著降低电池供电设备的待机功耗，延长电池续航时间。开关频率支持200kHz~2.2MHz宽范围，工程师可根据设计需求选择：高频（如2MHz）可缩小电感、电容等外围元件体积，适合小型化设计；低频（如200kHz）则可提升效率，适配大功率输出场景。
四、宽温与封装适应性
芯片工作温度范围为**-40℃~+125℃，符合工业级温度标准，可稳定运行于极端环境（如汽车发动机舱、户外工业设备）。采用MSOP-10-EP封装**（10引脚增强型小外形封装，带暴露焊盘），体积小巧（约3mm×3mm），适合高密度PCB设计；暴露焊盘可增强散热性能，避免芯片因过热降额，保障长期可靠性。
五、典型应用场景
基于上述特性，LT8609AEMSE#TRPBF适用于多种场景：
- 电池供电设备：如便携式医疗仪器、手持终端，低静态电流延长待机时间；
- 工业控制模块：如PLC、传感器节点，宽温宽压适配工业现场电源波动；
- 汽车电子：如车载显示屏、辅助驾驶模块，-40℃~+125℃满足车规温度要求；
- 物联网（IoT）节点：如智能传感器、无线网关，小封装与低功耗适配低功耗设计；
- 消费电子：如移动电源、智能音箱，高效能提升续航与散热表现。
LT8609AEMSE#TRPBF通过宽电压范围、低静态电流、高效同步整流、工业级温度及小封装的平衡设计，为不同领域的电源设计提供了高性价比的解决方案，适合对体积、功耗、可靠性有严格要求的应用场景。
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