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Siproin SSP7901P30MR
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Siproin SSP7901P30MR
- Type
- SIPROIN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SIPROIN
- Electronic Component
- SSP7901P30MR
- Electronic Component
- 1
- Package
- SOT23-3
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.044g
- Electronic Component
- 1
- Electronic Component
- BM0227783252
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 36V
- Output
- Electronic Component
- Output Voltage
- 3V
- Output Current
- 300mA
- 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.
SSP7901P30MR 产品概述
一、产品简介
SSP7901P30MR 是上海矽朋（Siproin）推出的一款固定输出 3.0V 的线性稳压器（LDO），单通道输出，额定输出电流 300mA。器件集成短路保护、过流保护与过热保护，工作温度范围为 -40℃ 到 +85℃，静态电流仅 1.6µA，适合对静态功耗敏感的电池供电与工业应用。封装为 SOT23-3，适用于空间受限的 PCB 设计。
二、主要特性
- 固定正极输出 3.0V，单通道
- 最大工作电压支持至 36V（资料中亦见 40V 标称）
- 最大输出电流 300mA
- 极低静态电流 Iq = 1.6µA，利于延长电池寿命
- 电源纹波抑制比 PSRR = 70dB @ 10Hz，低频抑制优异
- 内置短路、过流与过热保护，提升系统可靠性
- 工作温度：-40℃ ~ +85℃；封装：SOT23-3
三、电气性能要点
SSP7901P30MR 在保持极低静态电流的同时具备 300mA 的驱动能力，适合传感器与低功耗数字/模拟混合系统。70dB（10Hz）级别的 PSRR 对低频电源纹波和开关噪声有明显抑制，适合作为对噪声敏感的模拟前端或 ADC 参考电源。
四、封装与热管理
SOT23-3 小型封装方便在紧凑电路中使用，但在高输入差和高输出电流工况下会产生较大功耗。建议在 PCB 布局时利用较大铜箔面积、散热过孔或靠近地平面来降低结-环境热阻，必要时评估外部散热方案以保证可靠工作。
五、典型应用场景
- 电池供电的便携设备与 IoT 终端
- 传感器、电桥及 ADC 参考电源（低噪声场合）
- 工业控制模块与低功耗子系统
- 汽车电子低功耗电路（应结合系统输入电压与耐压要求评估）
六、设计注意事项与建议
- 输入端应使用耐压合适的去耦电容，推荐选择能承受高压等级的陶瓷电容以降低输入阻抗。
- 输出端常用 1µF–10µF X7R 类陶瓷电容以保证稳压器稳定性及瞬态响应，注意电容的 ESR 对稳定性的影响。
- 将输入和输出旁路电容尽量靠近稳压器引脚放置，缩小回流环路，优化布局以降低噪声耦合。
- 在高压差工况下计算器件功耗与结温，必要时通过 PCB 增加散热面积或添加热沉。
- 使用场景涉及更高输入电压（如资料中 40V 标称）时，应核实所选器件或批次的最大额定电压并评估系统安全裕度。
总结：SSP7901P30MR 将低静态功耗与较高 PSRR、完整的保护功能集成于小型封装，适用于对能耗敏感且要求低噪声稳压的多种应用。有关更详尽的电气参数、典型曲线与参考电路，请参阅产品数据手册。
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