WMSIC Electronic Components

SGMICRO SGM2209-5.0XN5G/TR SGM2209

ModelSGM2209-5.0XN5G/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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM2209-5.0XN5G / TR
Type
SGMICRO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
420mV@(500mA)
Electronic Component
SGMICRO
Electronic Component
16uVrms
Electronic Component
SGM2209-5.0XN5G/TR
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.043g
Electronic Component
1
Features
Built-in; Output
Electronic Component
BM0258688277
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
24V
Output
Electronic Component
Output Voltage
5V

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

SGM2209-5.0XN5G/TR 产品概述

一、主要规格与性能亮点

SGM2209-5.0XN5G/TR 是圣邦微推出的一款固定输出线性稳压器,工作电压最高可达 24V,固定输出 5.0V,最大输出电流 500mA。器件在 500mA 时压差仅 420mV,静态电流(Iq) 1.2mA,低静态消耗适合需节能的系统;在 10kHz 处的电源纹波抑制比(PSRR) 达 60dB,输出噪声仅 16μVrms,适用于对噪声敏感的模拟和数字混合电路。封装为 SOT-23-5,体积小,便于空间受限的应用。

二、保护与可靠性设计

内置过流保护、短路保护和过热保护,能在异常工况下限制电流并保护芯片与负载;带有使能(EN)引脚,便于系统上电控制与电源管理。复杂系统中可通过 EN 控制多路电源的有序上电或节能模式切换。

三、热管理与工作环境

工作结温范围 -40℃ ~ +125℃(Tj)。由于为线性稳压器,功耗为 (Vin−5V)×Iout,若 Vin=24V 且输出满载 500mA,则耗散约 9.5W,远超 SOT-23 的散热能力,需避免这种工况或改用降压方案。推荐在设计时计算功耗并确保 PCB 散热(加大铜箔、热过孔或选择并联/更大封装)。

四、封装与布局建议

SOT-23-5 封装适合紧凑设计。建议输入侧加 1–10μF 陶瓷去耦,输出侧优选 10μF 低ESR 陶瓷电容以保证稳定性与瞬态响应,电容靠近芯片引脚布置。EN 引脚需按逻辑电平接入并考虑上拉/下拉设计以避免上电毛刺。

五、典型应用与选型建议

适用于工业控制、通信设备、便携式仪器及传感器供电等对噪声与PSRR有要求的场景。若系统输入电压远高于 7V 且需 500mA 输出,建议使用开关降压再配合 LDO 以减小功耗与热量,提高效率与可靠性。

总结:SGM2209-5.0XN5G/TR 在低噪声、良好PSRR与多重保护方面表现突出,适合中低压差、对噪声敏感且需稳定 5V 输出的应用;设计时务必重视功耗计算与散热措施,合理选择外部滤波与布局。

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