WMSIC Electronic Components

MICRONE ME6119A33M3G

ModelME6119A33M3G
PackageSOT-23
BrandMICRONE
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME6119A33M3G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
130mV@(100mA)
Electronic Component
MICRONE
Electronic Component
ME6119A33M3G
Electronic Component
1
Package
SOT-23
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.047g
Electronic Component
1
Electronic Component
BM0227688945
Operating Temperature
40℃~+125℃
Operating Voltage
18V
Output
Electronic Component
Output Voltage
3.3V
Output Current
400mA
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.

ME6119A33M3G 产品概述

一、产品简介

ME6119A33M3G 是南京微盟(MICRONE)推出的一款固定输出线性稳压器,输出电压为 3.3V,采用小体积 SOT-23 封装,针对空间受限且对电源噪声要求较高的便携与嵌入式系统设计。器件具备低静态电流和过热保护功能,适合要求稳定 3.3V 电源且有低功耗或散热限制的应用场景。

二、主要规格

  • 输出类型:固定(3.3V)
  • 输出电流:最大 400 mA
  • 静态电流(Iq):典型 60 μA(低静态电流,有利于待机功耗控制)
  • 压差(Dropout):130 mV @ 100 mA(在较大电流时关注压差与散热)
  • 工作电压(输入端):最高 18 V
  • 输出极性:正极
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 保护特性:过热保护(thermal shutdown)
  • 输出通道数:单通道
  • 封装形式:SOT-23
  • 品牌:MICRONE(南京微盟)

三、关键特性

  • 低静态电流:典型静态电流 60 μA,有利于电池供电和低功耗系统,在待机或轻载状态下可显著降低能耗。
  • 充足输出能力:单路输出支持至 400 mA,满足多数微控制器、传感器和射频模块的供电需求。
  • 小压差性能:在 100 mA 工作点时压差仅约 130 mV,能在较低输入差压下维持稳定输出,便于在受限的输入电压条件下使用(但在更高输出电流时压差将上升,应按需评估)。
  • 宽输入电压范围:最高可达 18 V,兼容多种电源来源(如电池组、外部适配器或较高总线电压),提高系统设计灵活性。
  • 过热保护:内置热关断保护机制,能在器件过热时自动限制或切断输出,提升可靠性和系统安全性。
  • 小型封装:SOT-23 有利于高密度 PCB 布局与空间受限的应用。

四、典型应用场景

  • 电池供电的便携设备(如便携式仪表、掌上终端)
  • 嵌入式控制板与单片机电源(MCU、FPGA 辅助电源)
  • 通信设备与 IoT 节点(传感器节点、无线模块供电)
  • 工业控制与自动化设备(需耐受宽温度范围)
  • 消费电子小尺寸电源模块

五、设计与使用建议

  • 输出电容与稳定性:线性稳压器通常需要在输出端放置适当的去耦电容以保证稳定与瞬态响应。建议使用低 ESR 的陶瓷电容(如 1 μF ~ 10 μF),并靠近器件输出端放置。具体容值与 ESR 要求请参考详细数据手册进行确认与调试。
  • 输入去耦:在输入端同样建议放置去耦电容(如 1 μF ~ 10 μF)以抑制输入源阻抗及瞬态电压扰动,尤其在输入线路较长或电源噪声大的场合。
  • 热管理:虽然器件具备过热保护,但在高输出电流与高输入-输出压差情况下,功耗与结温将显著上升。设计时应评估最大功耗(P ≈ (Vin − Vout) × Iout)并在必要时采用大铜面积散热或合理布局以降低结温,保证长期可靠性。
  • PCB 布局:将输入和输出电容尽可能靠近稳压器的引脚放置,减小寄生电感和环路面积;输出走线尽量加粗,以减少压降并改善热传导。
  • 启动与负载瞬态:根据系统负载特性,考虑输出电容与上电时的启动电流限制,避免因启动冲击导致系统复位或电源不稳定。

六、可靠性与温度范围

ME6119A33M3G 支持工业级温度范围(-40 ℃ 至 +125 ℃),适合在较宽温度条件下长期工作。内置过热保护提升了在异常工况下的自我保护能力,但不替代良好的热设计。

七、总结

ME6119A33M3G 是一款面向空间受限且对功耗、稳定性有较高要求的应用场景设计的 3.3V 固定线性稳压器。其低静态电流、较低压差和 400 mA 输出能力使其在便携设备、嵌入式系统和工业控制中具有良好的适用性。为获得最佳性能,请在设计阶段参考器件数据手册,结合实际负载、输入电压与散热条件进行电容选型与 PCB 布局优化。若需更详细的电参数、引脚定义和典型应用电路,请参考 MICRONE 官方 datasheet。

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