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SGMICRO SGM2209-ADJXTDB8G/TR SGM2209
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SGMICRO SGM2209-ADJXTDB8G / TR
- Type
- SGMICRO
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SGMICRO
- Electronic Component
- SGM2209-ADJXTDB8G/TR
- Electronic Component
- 1
- Package
- TDFN-8L(3x3)
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.45g
- Electronic Component
- 1
- Features
- Built-in;;;;; Output
- Electronic Component
- BM0228560841
- Operating Temperature
- 40℃~+125℃@(Tj)
- Operating Voltage
- 24V
- Output
- Electronic Component
- Output Current
- 500mA
- Output Type
- Electronic Component
- Output Channel Count
- 1
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SGM2209-ADJXTDB8G/TR 概述
一、产品简介
SGM2209-ADJXTDB8G/TR 是圣邦微（SGMICRO）推出的一款可调线性稳压器，采用 TDFN-8L (3×3) 封装，面向需要低噪声、高抑制比和可靠保护功能的供电场合。器件支持可调输出并带独立使能端，适合为模拟前端、传感器、数据采集和通信模块等提供稳定电源。
二、主要电气特性
- 工作电压：24 V（器件的典型最大工作电压）
- 最大输出电流：500 mA，满足中等功率负载要求
- 电源纹波抑制比（PSRR）：60 dB @ 10 kHz，优异的纹波抑制能力，有利于抑制输入噪声对精密模拟电路的影响
- 静态电流（Iq）：1.2 mA，静态功耗低，适合对待机能耗有要求的系统
- 输出极性：负极（产品描述中标注为负极输出，请以数据手册为准确认义）
三、保护与控制功能
器件集成多重保护机制：过流保护、过热保护和短路保护，能够在异常工况下限制电流或关断输出，提升系统可靠性。同时器件带使能端，可通过外部逻辑控制器件上电或关断，便于系统电源管理与功耗控制（使能端逻辑电平和工作细节请参考规格书）。
四、封装与热管理
封装为 TDFN-8L (3×3)，带有裸露散热焊盘，便于通过 PCB 大面积散热。实际应用时需注意功耗计算与 PCB 散热设计：加大散热铜箔面积、设置过孔与地平面联通可显著降低结温，保证在 -40 ℃ 至 +125 ℃（Tj）工作范围内稳定运行。
五、应用建议与布局要点
- 输入/输出端建议使用合适的去耦电容（低 ESR 电容）以确保稳态与瞬态响应；输出端通常需要外接电阻分压来设定输出电压（具体电阻值和参考电压详见数据手册）。
- 布局上将输入滤波、稳压芯片与参考地短路连接，独立模拟地或星形地能有效降低噪声耦合；裸露散热焊盘应与地平面充足焊接以提升散热能力。
- 在选型阶段应关注压降（dropout）、温升、输出噪声、瞬态响应与外部电容兼容性等参数，结合实际负载与环境条件评估。
六、典型应用场景
适用于工业控制、电信设备、便携式仪器、汽车电子（需核对汽车级认证）及任何对低噪声、高抑制需求的模拟/混合信号系统。
总结：SGM2209-ADJXTDB8G/TR 以其可调输出、良好的 PSRR、低静态电流和多重保护特性，是需要可靠低噪稳压供应的系统的合适选择。详情参数、引脚定义和典型应用电路请参阅厂商正式数据手册以获得完整设计依据。
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