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Siproin H7544-1 H7544
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Siproin H7544-1
- Type
- SIPROIN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 50mV@(1mA)
- Electronic Component
- SIPROIN
- Electronic Component
- H7544-1
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Electronic Component
- BM0230814798
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 15V
- Output
- Electronic Component
- Output Voltage
- 4.4V
- Output Current
- 150mA
- 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.
H7544-1 产品概述
一、产品简介
H7544-1 是上海矽朋（Siproin）推出的一款固定输出线性稳压器（LDO），输出电压为 4.4V，单通道设计，采用经济型 SOT-23 封装。该器件支持最高输入电压 15V，最大输出电流 150mA，具备短路保护功能，静态电流仅 1.5µA，工作温度范围为 -40℃ 至 +85℃，非常适合对静态功耗和封装体积有严格要求的便携与低功耗应用。
二、主要性能参数
- 输出类型：固定（4.4V）
- 最大工作/输入电压：15V
- 最大输出电流：150mA
- 压差（dropout）：50mV @ 1mA（低电流下超低压差）
- 静态电流（Iq）：1.5µA（极低静态耗电，适合电池供电）
- 保护特性：短路保护（防止输出短路或过载损坏）
- 输出极性：正极
- 通道数：1
- 工作温度：-40℃ ~ +85℃
- 封装：SOT-23（3引脚，具体引脚定义请参照数据手册）
三、产品优势
- 极低静态电流：1.5µA 的静态电流显著降低待机能耗，有利于延长电池寿命。
- 低压差特性：在微小负载下仅 50mV 的压差，适合需要靠近输入电压工作的低压差场景。
- 小体积封装：SOT-23 适合空间受限的板级设计，便于大规模集成与自动化贴装。
- 保护机制：内置短路保护提高系统可靠性，降低外部保护电路复杂度。
四、典型应用场景
- 便携式设备与可穿戴设备：低静态电流延长待机时间。
- 物联网终端与传感器节点：稳定 4.4V 电源供应，适配多种传感器或模拟前端。
- 工业控制与嵌入式系统：小体积、耐温范围宽，适用工业级温度环境。
- 后级稳压与参考电源：在中低电流场景下提供低噪声稳压输出。
五、热设计与使用建议
- 功率耗散计算：线性稳压器的功耗等于 (VIN - VOUT) × IOUT。例如 VIN=15V、VOUT=4.4V、IOUT=150mA 时，耗散功率约为 1.59W，这会超出 SOT-23 的安全散热能力；建议在高压差或高电流工况下采用更大面积铜箔散热或选择降压预稳压方案以降低热负荷。
- 电容与布局建议：为保证稳定性与瞬态响应，建议在输入端和输出端各并联一只低 ESR 的陶瓷电容（典型 1µF～10µF），并将电容尽量靠近器件引脚布局，输入电容用于抑制源端阻抗，输出电容用于稳压环路稳定与瞬态响应。
- 引脚说明：器件为 3 引脚 SOT-23 封装，常见引脚为 VIN、GND、VOUT，具体引脚排列和封装尺寸请参阅 H7544-1 数据手册以确保设计正确。
六、封装与订购信息
- 品牌：Siproin（上海矽朋）
- 型号：H7544-1
- 封装：SOT-23（表面贴装，3 引脚）
- 采购与生产建议：在批量应用前请索取最新数据手册与可靠性测试报告，并在样片阶段验证散热、负载调节和瞬态性能。
如需更详细的电气特性曲线、典型应用电路、引脚排列及封装尺寸图，请提供邮件或联系销售获取 H7544-1 的完整数据手册。
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