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TECH PUBLIC MIC29302WU
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TECH PUBLIC MIC29302WU
- Type
- TECH PUBLIC
- Minimum package
- 800 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 370mV@(3A)
- Electronic Component
- TECH PUBLIC
- Electronic Component
- 400uVrms；260uVrms
- Electronic Component
- MIC29302WU
- Electronic Component
- 1
- Package
- TO-263-5
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 2.004g
- Electronic Component
- 1
- Features
- Voltage;; Current
- Electronic Component
- BM0227776280
- Operating Temperature
- 40℃~+125℃@(Tj)
- Operating Voltage
- 26V
- Output
- Electronic Component
- Output Current
- 3A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MIC29302WU 产品概述
一、产品简介
MIC29302WU 是一款高性能、可调式正向线性稳压器，单通道输出，额定输出电流可达 3A。工作电压 26V（最大输入-输出差或输入电压限制需参照具体数据手册），在满载 3A 时典型压差仅为 370mV，适合对低压差和高效散热有要求的电源设计。器件集成多种保护功能，便于在工业与汽车电子等苛刻环境中可靠运行。
二、主要性能指标
- 输出类型：可调（外部电阻设定输出电压）
- 最大输出电流：3A
- 压差（Dropout）：370mV @ 3A（低压差设计，利于紧凑电源）
- 静态电流 Iq：37mA（待机和效率考量）
- 噪声：典型 400 µVrms，优化条件可达 260 µVrms（滤波和布局可进一步降低输出纹波）
- 工作温度范围：-40℃ ~ +125℃（Tj）
三、保护与控制特性
器件内置多重保护，确保系统安全可靠：
- 过流保护（OCP）：限制输出电流，防止短路或重载损坏
- 反接保护：防止输入极性接反导致器件损坏
- 使能（EN）引脚：可外部控制开/关，提高系统节能和分区管理能力
- 过热保护（Thermal Shutdown）：热限流及关断，避免热失控
四、热与封装信息
采用 TO-263-5 封装（大功率表面贴装型），利于通过底部或引脚大面积铜箔散热。高电流工作时需注意散热设计：推荐在 PCB 上留出足够的散热铜面积、连接多层地平面，并尽量缩短电流回路路径以降低热阻和压降。
五、典型应用场景与设计要点
适用于工业控制、通信设备、电池供电系统、汽车电子（视具体汽车级认证）等需要稳压、低压差的大电流场合。设计建议：
- 输入端配备低 ESR 陶瓷电容和适当的旁路电容以抑制高频噪声；输出端一般采用陶瓷+电解/钽电容组合以保证稳定性与低纹波。
- 将输入/输出电容尽量靠近器件引脚放置，短而宽的布线降低寄生阻抗。
- 对于长距离负载或严格纹波要求，可在输出加入滤波器或后级稳压器。
- 使能引脚可与 MCU 或电源管理电路联动，实现软启动或电源序列控制。
六、品牌与采购信息
品牌：TECH PUBLIC（台舟电子）；封装：TO-263-5；单通道、输出正极性。实际选型时请参考官方数据手册获取完整电气参数、引脚排列、典型应用电路及可靠性信息，以满足系统级要求。
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