WMSIC Electronic Components

MICRONE ME6214C30M5G

ModelME6214C30M5G
PackageSOT-23-5
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME6214C30M5G
Type
MICRONE
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME6214C30M5G
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.033g
Electronic Component
1
Features
Output
Electronic Component
BM0229920315
Operating Temperature
40℃~+85℃
Operating Voltage
18V
Output
Electronic Component
Output Voltage
3V
Output Current
300mA
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.

ME6214C30M5G 产品概述

ME6214C30M5G 是 MICRONE(南京微盟)推出的一款固定输出型线性低压差稳压器(LDO),封装为 SOT-23-5。该器件为单通道、正极输出、3.0V 固定输出版本,设计用于在工业级温度范围内可靠供电,具备过流保护、短路保护与使能(EN)控制,典型最大输出电流 300mA,工作电压上限为 18V,工作温度范围为 -40℃ 至 +85℃,适配多种嵌入式与工业应用场景。

一、电气与功能要点

  • 输出类型:固定(3.0V)
  • 最大输出电流:300 mA(在合适散热条件下)
  • 工作(输入)电压:最高可达 18 V(实际输入范围和最小输入请参照数据手册)
  • 输出极性:正极
  • 通道数:1 通道
  • 功能特性:过流保护(OCP)、短路保护(SCP)、使能(EN)引脚,用于软启/关断控制
  • 工作温度:-40℃ 至 +85℃(工业级)

这些特性使得 ME6214C30M5G 在对稳定性及保护有要求的系统中具有较好的可靠性表现。

二、封装与引脚(SOT-23-5)

ME6214C30M5G 采用 SOT-23-5 小封装,适合空间受限的 PCB 布局。SOT-23-5 常见引脚功能包含 IN、OUT、GND、EN(使能)及 NC/备用脚。由于不同厂家的具体脚位排列可能有所差异,实际设计时请以 MICRONE 官方数据手册中的引脚图为准。

三、功耗与热管理(关键设计注意)

线性稳压器的功耗主要来自 Vin 与 Vout 之间的压降:器件耗散功率 Pd = (Vin − Vout) × Iout。以用户给定的最大发电条件为例:

  • 当 Vin = 18V,Vout = 3V,Iout = 300mA 时,Pd = (18 − 3) × 0.3 = 4.5W。

4.5W 的热耗在 SOT-23-5 小封装上难以有效散热,会导致器件过热并触发热关断或损坏。设计时务必注意:

  • 减小输入电压差(尽量将 Vin 控制在较低值,如 5V、6V 等);
  • 在高 Vin 场景使用前端降压(开关稳压器)将电压降至接近 Vout,再由 LDO 精调;
  • 增大 PCB 散热面积,使用大铜箔、散热过孔(thermal vias)和多层铜层;
  • 必要时选择功率更大的封装或采用外部散热器。

四、外部元件与 PCB 布局建议

  • 输入/输出电容:LDO 对输入和输出侧电容的类型与 ESR 有一定要求。通常建议在输入端放置 1µF–10µF 陶瓷电容用于去耦,输出端也使用 1µF–10µF 陶瓷电容以保证稳定性和瞬态响应。具体容值与 ESR 要求请参考官方数据手册。
  • 使能控制:EN 引脚逻辑电平决定器件开启/关闭,设计时注意上拉/下拉状态和上电顺序,以避免不确定状态。
  • 布局原则:输入电容尽量靠近 IN 引脚,输出电容靠近 OUT 引脚;GND 引脚应有低阻抗回流路径;缩短走线并避免噪声耦合到敏感节点。
  • 保护与滤波:在噪声敏感或高电压瞬变环境中,可在输入处加 TVS 或 RC 滤波器以保护 LDO。

五、典型应用场景

  • 工业控制与嵌入式电源(为 MCU、传感器、逻辑芯片提供 3.0V 电源)
  • 通信模块与外设供电
  • 低噪声模拟前端的局部电源(需注意功耗限制)
  • 电池供电设备中对低压差稳压与开关后端精调的配合使用

六、选型与使用建议

  • 在选型前务必确认所需输出电流与输入电压条件,尤其注意高 Vin 与高 Iout 的功耗问题;
  • 查看数据手册以获得确切的 dropout(压差)、静态电流(Iq)、负载/线性调整率(LDR/PSRR)、使能阈值与保护特性细节;
  • 若系统常态下有较大电压差或持续高电流,优先考虑开关降压 + LDO 精调的组合以提升效率与散热可靠性;
  • 设计量产时关注封装标识、最小订购量与供应链稳定性。

更多详细电性能、引脚排列和典型电路请参阅 MICRONE 官方数据手册和应用说明,或联系供应商获取评估样片与参考设计。

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