WMSIC Electronic Components

MICRONE ME6214C28M5G

ModelME6214C28M5G
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 ME6214C28M5G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME6214C28M5G
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.043g
Electronic Component
1
Features
Output
Electronic Component
BM0227688936
Operating Temperature
40℃~+125℃@(Ta)
Operating Voltage
18V
Output
Electronic Component
Output Voltage
2.8V
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.

ME6214C28M5G 产品概述

一、产品简介

ME6214C28M5G 是南京微盟(MICRONE)推出的一款固定输出线性稳压器(LDO),提供 2.8V 正极输出,单通道设计并带使能功能。器件支持最高工作电压至 18V,最大输出电流可达 300mA,静态电流仅 700nA(Iq),并集成过流保护与短路保护,工作环境温度范围为 -40°C 至 +125°C(Ta)。器件采用 SOT-23-5 封装,适合对尺寸和静态功耗有严格要求的便携与工业应用。

二、主要特点

  • 固定输出:2.8V,单输出通道
  • 输入电压范围:最高支持 18V(请参照具体数据手册确认最低输入要求)
  • 最大输出电流:300mA
  • 超低静态电流:Iq ≈ 700nA,适合电池供电设备
  • 带使能(EN)引脚:可实现快速上电/关断控制
  • 保护功能:过流保护 (OCP)、短路保护 (SCP),提高系统可靠性
  • 宽温度范围:-40°C ~ +125°C(Ta)
  • 封装:SOT-23-5,便于小型化设计

三、典型应用场景

  • 电池供电便携设备、可穿戴设备与传感节节点(对低静态电流要求高)
  • 无线通信模块、射频前端偏置电源(需要稳定 2.8V 电源)
  • 工业控制与传感器接口(宽温度工作环境)
  • 单电源系统中为 MCU、模拟前端或传感器提供清洁参考电压

四、应用与布板建议

  • 输入/输出电容:为确保稳压器稳定与瞬态响应,建议在输入端放置 1µF10µF 的陶瓷电容(CIN),输出端使用低 ESR 陶瓷电容 2.2µF10µF(COUT)。具体值应以芯片数据手册推荐为准。
  • 电容布局:CIN、COUT 尽量靠近芯片引脚,走短而宽的走线,接地端面应直接回到稳压器的地端。
  • 地平面与散热:在 SOT-23-5 下采用大面积地铜以利于散热与稳定;高电流路径(Vin、Vout)使用加宽走线或铜箔以降低压降与热阻。
  • 使能控制:EN 引脚高电平使能、低电平关断(请参考数据手册确认阈值)。关断时系统静态电流极小,适合节能管理。

五、热管理与功耗注意

线性稳压器的功耗来源于输入输出电压差与输出电流:Pd = (Vin - Vout) × Iout。举例:当 Vin = 12V、Vout = 2.8V、Iout = 300mA 时,Pd ≈ 2.76W;若 Vin = 18V,则 Pd ≈ 4.56W。SOT-23-5 的热阻限制使得在大电压差和大电流工况下稳压器会产生较高结温,需注意:

  • 在大电流输出或高 Vin 情况下,应降低工作电流、改用降压预稳或选择带散热方案的器件;
  • 布局中增加散热铜面积或通过热孔(via)导通到多层地平面,帮助散热;
  • 在设计时进行热仿真与实际测温验证,保证结温低于器件最高允许值。

六、选型与设计提示

  • 若系统常处于高压差与高电流工况,建议采用开关降压器(DC-DC)作为前端,再用 ME6214C28M5G 做低噪声后级线性稳压;
  • 在对瞬态响应、噪声要求严格的模拟/射频电路中,LDO 的低噪声特性和超低静态电流优势明显;
  • 最终设计前请参考 MICRONE 官方数据手册获取详细极限参数、EN 阈值、典型曲线与 PCB 推荐布局图。

ME6214C28M5G 以其超低静态电流、内置保护和宽温度适应能力,特别适合要求低功耗、小体积与可靠性高的 2.8V 电源场合。选型时兼顾输入电压、最大负载与热耗散,是确保长期可靠工作的关键。

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