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SGMICRO SGM2212-1.8XKC3G/TR SGM2212
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SGMICRO SGM2212-1.8XKC3G / TR
- Type
- SGMICRO
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SGMICRO
- Electronic Component
- SGM2212-1.8XKC3G/TR
- Electronic Component
- 1
- Package
- SOT-223-3
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.232g
- Electronic Component
- 1
- Electronic Component
- BM0233599610
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 20V
- Output
- Electronic Component
- Output Voltage
- 1.8V
- Output Current
- 800mA
- 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.
SGM2212-1.8XKC3G/TR 产品概述
一、产品简介
SGM2212-1.8XKC3G/TR 是由 SGMICRO（圣邦微）推出的一款固定输出线性稳压器（LDO），输出电压为 1.8V，最大输出电流可达 800mA。器件支持最高工作电压 20V，输出为正极单通道设计，封装为 SOT-223-3，适合对噪声和电源质量有较高要求的嵌入式与模拟前端电路。
二、主要特性
- 固定 1.8V 输出，最大负载电流 800mA，适配中等电流负载。
- 对 120Hz 的电源纹波抑制比（PSRR）高达 80dB，能有效抑制来自整流滤波或外部噪声的干扰。
- 内置短路保护与热关断功能，提升系统的安全性与可靠性。
- 宽工作温度范围：-40℃ 至 +125℃，适用于工业级环境。
- 单通道、正极输出，封装为 SOT-223-3，便于散热与焊接。
三、典型应用
- 嵌入式处理器、电源域为 1.8V 的 SoC/FPGA 辅助电源。
- 通信模块、射频前端和传感器供电，特别是对噪声抑制有要求的模拟电路。
- 工业控制、汽车电子（符合温度范围场景）以及各类电源转换后端稳压。
- 任何需要在单片 PCB 上实现中等功率、低噪声 1.8V 电源的场合。
四、外部元件与布局建议
- 在输入端和输出端分别配置低 ESR 陶瓷旁路电容，并靠近器件引脚放置以获得最佳噪声抑制与稳定性（常用值范围可从 1 µF 到 10 µF，视系统需求调整）。
- 输入引脚应连接到稳健的电源轨，并尽量减少串联阻抗；地脚宜回到完整的接地平面以降低热阻与噪声耦合。
- SOT-223-3 封装具有一定散热能力，但在高负载或高温环境下建议在 PCB 上增加散热铜箔面积或热过孔以提高散热效率。
五、保护机制与可靠性
- 短路保护：发生输出短路或异常低阻抗负载时，器件进入限流状态以保护自身和外部电路，故障消除后可自动恢复工作。
- 热关断：当结温超过安全阈值时，热关断机制会关闭输出，待温度下降后自动重启，防止长期过热损伤器件。
- 设计时应考虑热路径与散热条件以避免频繁触发热关断，确保持续 800mA 输出能力。
六、封装与订购信息
- 器件型号：SGM2212-1.8XKC3G/TR
- 制造商：SGMICRO（圣邦微）
- 封装：SOT-223-3，适合通用 PCB 制作与手工焊接。
- 在选型和布局阶段建议参考厂家完整数据手册，检查输入电压范围、输出电容稳定性要求及热特性曲线，以保证在目标应用中的可靠性与性能表现。
总结：SGM2212-1.8XKC3G/TR 提供稳定低噪声的 1.8V 供电输出，结合良好的 PSRR 与保护功能，是对噪声敏感或需要中等电流的工业和通信类应用的理想选择。
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