WMSIC Electronic Components

SGMICRO SGM2225-ADJXTDB8G/TR SGM2225

ModelSGM2225-ADJXTDB8G/TR
PackageTDFN-8L(3x3)
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 SGM2225-ADJXTDB8G / TR
Type
SGMICRO
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
850mV@(800mA)
Electronic Component
SGMICRO
Electronic Component
SGM2225-ADJXTDB8G/TR
Electronic Component
1
Package
TDFN-8L(3x3)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.116g
Electronic Component
1
Features
Terminal Block; Output
Electronic Component
BM0256925053
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
36V
Output
Electronic Component
Output Voltage
1.8V~15V
Output Current
800mA

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

SGM2225-ADJXTDB8G/TR 产品概述

一、简介

SGM2225-ADJXTDB8G/TR 是圣邦微(SGMICRO)推出的一款高性能可调线性稳压器,单路输出、正极性,封装为 TDFN-8L (3×3)。器件输入耐压可达 36V,输出电压可调范围 1.8V 至 15V,最大输出电流 800mA,适用于对电源噪声敏感且需要较大电流的中高压系统。

二、主要性能亮点

  • 低压差:在最大负载 800mA 时压差仅约 850mV,适合在较小压差下维持较大输出电流。
  • 高 PSRR:在 1kHz 时电源纹波抑制比约 75dB,能有效抑制开关电源或环境噪声对负载的影响。
  • 低静态电流:静态电流 Iq 约 112µA,有利于电池供电或低静态损耗系统。
  • 保护功能完整:集成过流保护、短路保护与过热保护,提升系统可靠性。
  • 宽温度范围:结温范围 -40℃ 至 +125℃,满足工业等级应用要求。

三、典型应用

  • 工业控制与自动化设备的本地稳压电源
  • 车载/船舶电子(符合高压输入场景,需参考瞬态要求)
  • 仪器仪表、传感器和数据采集前端电源
  • 通信与射频模块的噪声敏感供电
  • 电池管理与便携式设备的线性后端稳压

四、设计与布局要点

  • 输出电压通过外部分压网络设定,典型关系为:VOUT = VREF × (1 + R2/R1) + IADJ × R2(具体 VREF 与 IADJ 值请参见器件数据手册)。
  • 输入/输出旁路电容需靠近相应引脚布置,以降低环路寄生。建议遵循数据手册对输出电容类型与 ESR 的要求,通常可优先使用低 ESR 陶瓷电容,必要时并联钽或电解电容改善瞬态响应。
  • 散热设计必须考虑功耗 Pd = (VIN − VOUT) × IOUT;在高 Vin 与高 Iout 情况下,器件结温上升明显,应采用较大铜箔、散热过孔或外部散热器以降低 θJA。具体热阻参数请参照数据手册并留有余量。
  • 输入端应考虑瞬态抑制与滤波(如 TVS 或串联电感),以保护器件免受瞬态冲击。

五、保护与可靠性建议

SGM2225 内置常用保护机制,可在异常工况(过流、短路、过热)下自我限制或关闭输出,防止器件损坏。仍建议在系统设计中加入短路检测、过温报警与合适的熔断/限流措施,以提升整体可靠性与维护便捷性。

六、封装与订购信息

  • 型号:SGM2225-ADJXTDB8G/TR
  • 品牌:SGMICRO(圣邦微)
  • 封装:TDFN-8L (3×3)
  • 其他:单路可调输出,工作电压上限 36V,输出电压 1.8V–15V,最大输出电流 800mA。

总结:SGM2225-ADJXTDB8G/TR 以其低压差、高 PSRR、低静态电流以及完善的保护功能,非常适合对噪声、效率和可靠性有较高要求的工业与消费类电源设计。选型与布局时,请结合目标工作点计算功耗并参考完整数据手册中的电气特性与推荐外围元件,以获得最佳性能。

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