WMSIC Electronic Components

SGMICRO SGM2036S-ADJXC5G/TR SGM2036S

ModelSGM2036S-ADJXC5G/TR
PackageSC-70-5
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 SGM2036S-ADJXC5G / TR
Type
SGMICRO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
30uVrms
Electronic Component
SGM2036S-ADJXC5G/TR
Electronic Component
1
Package
SC-70-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.035g
Electronic Component
1
Features
Output
Electronic Component
BM0228561108
Operating Temperature
40℃~+85℃
Operating Voltage
5.5V
Output
Electronic Component
Output Voltage
800mV~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.

SGM2036S-ADJXC5G/TR 产品概述

SGM2036S-ADJXC5G/TR 是圣邦微(SGMicro)推出的一款低功耗、低噪声的可调线性稳压器,适用于空间受限且对噪声与电源抑制有较高要求的便携与嵌入式系统。该器件以极低静态电流与较高的电源纹波抑制比为特点,同时集成短路保护与热关断功能,提升系统可靠性。

一、主要参数与性能亮点

  • 输出类型:可调(ADJ)
  • 工作电压(输入):5.5 V
  • 输出电压范围:0.8 V ~ 5.0 V(可调)
  • 最大输出电流:300 mA
  • 静态电流(Iq):20 μA(典型/低功耗)
  • 电源纹波抑制比(PSRR):75 dB @ 1 kHz(高抑制,利于抑制电源噪声)
  • 输出噪声:30 μV rms(低噪声,适合对噪声敏感的前端电路)
  • 保护特性:短路保护、热关断
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 输出极性:正输出,单通道
  • 封装:SC-70-5(超小型封装,适合空间受限设计)

这些特性使 SGM2036S 在电池供电、传感器供电、模拟电路及射频前端等场景中具有明显优势。

二、适用场景与典型应用

  • 电池供电的便携式设备(手持终端、穿戴设备):超低静态电流有助于延长待机时间。
  • 模拟信号链与传感器供电:低噪声与高 PSRR 有利于降低电源对信号的干扰。
  • 无线通讯前端与射频应用:75 dB@1 kHz 的 PSRR 在抑制开关噪声方面表现优良。
  • 工业与仪器仪表:工作温度范围宽,带过热与短路保护,可靠性高。
  • MCU 与外设的稳压电源:可调输出覆盖常见逻辑电压需求。

三、设计要点与布局建议

  • 输出设定:器件为可调型,通过外接两个反馈电阻构成分压网络设定输出电压。具体的参考电阻及公式请参照器件数据手册,以保证精度与稳定性。
  • 输入旁路:在靠近器件的输入端放置高品质的陶瓷旁路电容(例如 1 μF~10 μF),以改善瞬态响应与降低输入线噪声。
  • 输出电容:为保证环路稳定性与最佳瞬态性能,应按照数据手册推荐选择适当容量与等效串联电阻(ESR)的输出电容。常用低 ESR 陶瓷电容通常能获得较好性能,但仍需以厂方应用规范为准。
  • PCB 布局:将输入与输出电容尽可能靠近器件引脚放置;将 GND 返回走大面积接地铜箔,减少地阻与噪声耦合;反馈走线应尽量短且远离开关噪声源。
  • 温度与散热:SC-70-5 为小封装,散热受限。工作在较高输出电流或较大压差(Vin - Vout)时,器件功耗升高,应评估结温并通过增加 PCB 铜箔或热沉措施改善散热。

四、保护与可靠性

SGM2036S 内置短路保护与热关断,两者可在异常工况下保护器件与被供电系统。短路保护能限制输出电流,减少损坏风险;热关断在器件过热时关断输出,待温度恢复后自动重启。这些保护措施对提高系统在过载、短路或高环境温度下的可靠性非常重要。

五、封装与可制造性

SC-70-5 超小封装使得该 LDO 非常适合空间受限的产品设计,但也要求在焊接与测试工艺上采取合适流程。考虑到散热与测试便利性,建议在 PCB 设计阶段预留足够的热铜箔与测试点,便于批量生产与质量验证。

六、选型与注意事项

  • 若系统输入电压或最大负载电流高于本器件额定值,需选用功耗或电流能力更高的 LDO 或采用开关降压再配合 LDO 的方案。
  • 输出精度、温漂与负载调整率等更细的指标,请参照原厂数据手册进行最终验证。
  • 在对噪声与 PSRR 有严格要求的模拟前端设计中,结合良好的 PCB 布局与滤波策略,可充分发挥该器件低噪声与高 PSRR 的优势。

七、总结

SGM2036S-ADJXC5G/TR 是一款面向低功耗、低噪声与高抑制需求应用的可调线性稳压器。其 20 μA 的静态电流、30 μV rms 的低噪声以及 75 dB@1 kHz 的高 PSRR,使其在便携设备与敏感模拟电路中非常适用。采用 SC-70-5 小型封装,有助于节省板面空间,但需注意热管理与根据数据手册选择合适的外部元件与 PCB 布局,以确保稳定可靠的工作。欢迎参考圣邦微的完整数据手册以获取引脚定义、参考电路与详细电气规范,完成最终的电路设计与验证。

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