WMSIC Electronic Components

XBLW MIC29302N

ModelMIC29302N(XBLW)
PackageTO-220-5
BrandXBLW
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Option 198961

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
XBLW MIC29302N(XBLW)
Type
XBLW
Minimum package
50 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
370mV
Electronic Component
XBLW
Electronic Component
400uVrms
Electronic Component
MIC29302N(XBLW)
Electronic Component
1
Package
TO-220-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
2.654g
Electronic Component
1
Features
Voltage;;; Current
Electronic Component
BM0266007296
Operating Temperature
40℃~+125℃
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.

MIC29302N(XBLW芯伯乐)线性稳压器产品概述

一、产品核心定位与适用场景

MIC29302N(XBLW芯伯乐)是一款可调输出的中功率线性稳压器,主打低噪声、宽温适应性与过压保护,核心面向对电压稳定性、噪声敏感且需定制输出电压的场景,典型应用包括:

  • 工业自动化设备:PLC模块、传感器阵列、小型执行器供电(宽温适配车间高低温);
  • 车载电子系统:车载显示屏、辅助传感器供电(过压保护应对汽车电源瞬态波动);
  • 通信基站辅助电源:射频模块、基带单元的低噪声供电(400uVrms噪声不干扰信号);
  • 测试测量仪器:示波器、信号发生器的校准电源(可调输出匹配不同模块电压需求)。

二、关键性能参数深度解析

这款稳压器的参数针对性强,直接解决中功率场景的核心痛点:

1. 可调输出与单通道设计

输出极性为正极,单通道输出,通过外部电阻分压可灵活设置输出电压(无需依赖固定电压型号),适配从低到中电压的各类负载。

2. 3A中功率输出能力

额定输出电流3A,能直接驱动多数中小功率负载(如单片机、小型直流电机、10个以上传感器),无需额外并联稳压器,简化电路设计。

3. 370mV低压差优势

仅370mV的典型压差(远低于传统78xx系列的1.5V以上),意味着输入电压仅需比输出高几百毫伏即可稳定工作,大幅提升电源效率(尤其适合输入电压有限的场景)。

4. 400uVrms低噪声输出

输出噪声低至400uVrms,属于模拟电路“友好型”——可直接给运算放大器、ADC等敏感元件供电,无需额外加噪声滤波电路,降低系统复杂度。

5. 内置过压保护

当输出电压异常升高(如电源瞬态波动)时,自动触发保护机制,避免损坏负载(如精密传感器、芯片),提升系统可靠性。

6. 工业级宽温范围

-40℃~+125℃的工作温度,覆盖极端环境需求:低温下(如北方户外设备)输出电压漂移极小;高温下(如高温车间)压差、噪声无明显衰减。

三、封装与引脚布局说明

采用TO-220-5封装,这是工业级电源芯片的经典封装,优势显著:

  • 散热性能:TO-220封装可通过加装散热片进一步提升热管理能力,满足3A电流下的结温控制(建议负载电流≥2A时加散热片);
  • 焊接便利性:引脚间距合理,适合手工焊接或波峰焊,无需复杂工艺;
  • 引脚功能清晰:通常包含「输入(VIN)、地(GND)、输出(VOUT)、调整端(ADJ)、过压保护端(OVP)」,布局符合行业常规设计习惯,降低学习成本。

四、典型应用电路设计要点

  1. 输入滤波:输入端并联「10μF电解电容 + 0.1μF陶瓷电容」,滤除输入电源的纹波与瞬态噪声;
  2. 输出调节:输出端与调整端(ADJ)之间接两个分压电阻(R1、R2),输出电压公式为「VOUT = VREF*(1+R2/R1)」(VREF约1.2V,需参考 datasheet 确认);
  3. 输出滤波:输出端并联「10μF电解电容 + 0.1μF陶瓷电容」,进一步降低纹波与噪声;
  4. 散热设计:负载电流≥2A时,需在TO-220封装上加装散热片(如铝制散热片),确保结温不超过125℃上限。

五、可靠性与品牌优势

  • 过压保护可靠性:内置的过压保护为“软启动+阈值触发”机制,不会因短暂波动误触发,且保护后可自动恢复(部分场景需手动复位,需参考 datasheet);
  • 宽温稳定性:经XBLW芯伯乐工业级测试,-40℃低温下输出电压漂移≤0.5%,+125℃高温下压差仍保持在400mV以内;
  • 品牌保障:XBLW(芯伯乐)专注电源管理芯片10余年,产品覆盖工业、车载、通信等领域,售后提供1年质保与技术支持。

六、选型与替换注意事项

  1. 同系列扩展:若需更高电流(如5A),可参考XBLW的MIC29305N;若需固定输出(如5V、12V),可选择同系列固定电压型号;
  2. 跨品牌替换:替换时需确认「封装(TO-220-5)、输出电流(≥3A)、压差(≤370mV)、噪声(≤400uVrms)、温度范围(-40~125℃)」完全匹配,避免性能下降;
  3. 应用限制:线性稳压器适合输入输出压差小的场景(如压差≤5V),若压差过大(如输入26V、输出5V),建议搭配开关电源+线性稳压器的“混合方案”,提升整体效率。

MIC29302N(XBLW芯伯乐)以“可调输出+低噪声+宽温+过压保护”为核心,精准匹配中功率模拟/数字电路的供电需求,是工业、车载等场景的高性价比选择。

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