WMSIC Electronic Components

SGMICRO SGM2210-5.0XN5G/TR SGM2210

ModelSGM2210-5.0XN5G/TR
PackageSOT-23-5
BrandSGMICRO
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM2210-5.0XN5G / TR
Type
SGMICRO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
48uVrms
Electronic Component
SGM2210-5.0XN5G/TR
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.043g
Electronic Component
1
Features
Current; Output
Electronic Component
BM0230826948
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
20V
Output
Electronic Component
Output Voltage
5V
Output Current
300mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SGM2210-5.0XN5G/TR 产品概述

一、产品简介

SGM2210-5.0XN5G/TR 是圣邦微(SGMICRO)推出的一款固定输出 5.0V 线性稳压器(LDO),单通道、正极输出,采用常用的小型封装 SOT-23-5。该器件设计用于对噪声和纹波要求较高的电源应用,集成短路保护与过热保护,适用于对体积、功耗和电源质量有综合要求的便携与嵌入式系统。

二、主要性能指标

  • 输出类型:固定(5.0V)
  • 最大工作电压:20V(器件耐压上限,实际应用请参考数据手册)
  • 最大输出电流:300mA
  • 电源纹波抑制比(PSRR):100dB @ 1kHz(抑制交流纹波能力优秀)
  • 静态电流(Iq):36µA(低静态电流,利于电池供电场合)
  • 输出噪声:48µVrms(低噪声,适合模拟/音频前端)
  • 保护特性:短路保护、过热保护(提升系统可靠性)
  • 工作结温范围:-40℃ ~ +125℃(Tj)
  • 封装:SOT-23-5

三、典型应用场景

  • 电池供电的便携设备与物联网终端(低Iq 有利于待机功耗)
  • 模拟前端、传感器供电与数据采集电路(高 PSRR 与低噪声抑制干扰)
  • 音频设备与通信模块中的局部稳压(保证信号链安静)
  • 工业控制与仪表中需要稳压且具保护功能的子电源

四、封装与引脚提示

器件采用 SOT-23-5 小封装,便于空间受限的 PCB 布局。典型 LDO 的必需引脚一般包括 VIN、VOUT、GND,并可能带有 EN/SHDN(使能)或 NC(无连接)脚位。具体的引脚功能排列与外接元件要求(例如输出电容的类型与数值、输入去耦)请以官方数据手册为准。

五、散热与使用建议

线性稳压器的功耗由 P = (Vin – Vout) × Iout 决定。例如在最大额定输入 20V、满载 300mA 时,P = (20–5)V × 0.3A = 4.5W;如此高的功耗在 SOT-23-5 封装下难以有效散热,可能触发过温保护或损坏芯片。设计时应注意:

  • 尽量将输入电压选择为尽可能接近输出电压的最低安全余量,以降低压降和发热。
  • 对于大电流或较大 Vin–Vout 情况,考虑在前级使用降压转换器(DC–DC)或外加散热措施。
  • 输出电容建议使用低 ESR 的陶瓷电容(常见范围 1µF–10µF),以保证稳态稳定性与响应速率;具体容量与 ESR 要求请参见 datasheet。
  • 布局时保证 GND 回流路径短且铜箔散热面积足够,以改善热性能。

六、优势与设计注意事项

SGM2210-5.0 的突出优势是极高的 PSRR(100dB@1kHz)和较低的噪声(48µVrms),非常适合对电源净化要求高的模拟与射频前端。同时 36µA 的静态电流使其在低功耗应用中具备竞争力。设计时需权衡输出电流与压差导致的散热问题,并严格遵循厂商关于外接电容和 PCB 散热的推荐,以确保长期可靠性。

请在设计与选型时参照 SGMICRO 官方技术手册获取完整电气特性、引脚排列和外部元件详细要求,以便得到最佳的电路性能与可靠性。

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