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Siproin H7333-A H7333
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Siproin H7333-A
- Type
- SIPROIN
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 100mV@(40mA)
- Electronic Component
- SIPROIN
- Electronic Component
- H7333-A
- Electronic Component
- 1
- Package
- SOT-89-3
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.3g
- Electronic Component
- 1
- Electronic Component
- BM0265610088
- Operating Temperature
- 30℃~+85℃@(Ta)
- Operating Voltage
- 15V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 250mA
- Output Type
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
Siproin H7333-A 线性稳压器（LDO）产品概述
一、产品核心定位与优势
Siproin H7333-A是上海矽朋推出的低静态电流、低压差固定输出线性稳压器（LDO），专为对功耗敏感、输入电压稳定且需3.3V精准供电的场景设计。核心优势聚焦三点：
- 极低静态电流（2μA）：大幅降低待机功耗，延长电池供电设备续航；
- 轻载低压差（100mV@40mA）：轻载时能量损耗小，效率提升明显；
- 宽温范围（-30℃~+85℃）：适配工业级、户外级等复杂环境需求。
二、关键电气参数详解
H7333-A的参数针对目标场景做了精准优化，核心参数如下：
- 输入输出特性：工作电压（输入）典型值15V，输出电压固定为3.3V，单通道正极输出，匹配多数数字电路、传感器的供电需求；
- 负载能力：最大输出电流250mA，可驱动MCU、蓝牙模块、小型传感器等中小功率负载；
- 低压差性能：40mA轻载下压差仅100mV，输入仅需比输出高0.1V即可稳定工作，减少能量浪费；
- 静态电流：典型值2μA，待机状态下自身功耗极低，特别适合电池供电的便携设备；
- 温度适应性：工作环境温度-30℃~+85℃（Ta），覆盖低温户外、常温工业等场景，可靠性高。
三、封装与物理特性
H7333-A采用SOT-89-3封装，具备以下特点：
- 体积小巧：尺寸紧凑，适配智能穿戴、物联网节点等小型化设备；
- 引脚简单：仅3个引脚（IN输入、OUT输出、GND地），布局方便，焊接难度低；
- 散热适配：SOT-89封装散热面积优于SOT-23，250mA负载下（环境≤85℃）无需额外散热片。
四、典型应用场景
结合参数特性，H7333-A适用于以下场景：
- 电池供电便携设备：智能手环、蓝牙耳机、便携检测仪等，低静态电流延长续航；
- 工业控制单元：PLC辅助电源、传感器节点供电，宽温适配工业现场温度波动；
- 物联网传感器节点：低功耗满足长期无外接电源部署，3.3V输出适配温湿度、压力传感器；
- 消费电子辅助稳压：路由器、机顶盒的控制电路供电，15V输入匹配内部电源架构。
五、应用注意事项
为保证稳定工作，需注意：
- 输入电压：推荐15V，避免超额定值（参考官方 datasheet 确认输入范围）；
- 负载限制：最大250mA，超负载会导致电压跌落或过热；
- 滤波电容：输入端并联10μF电解电容，输出端并联1μF陶瓷电容，抑制纹波；
- PCB布局：缩短电容到引脚距离，增加GND铜箔面积优化散热；
- 温度环境：高温场景（≥80℃）建议降低负载至200mA以内。
六、总结
Siproin H7333-A以低静态电流、低压差、宽温范围为核心，适配电池供电、工业控制、物联网等多场景。SOT-89-3封装小巧易集成，是替代传统稳压器件的高性价比选择。
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