WMSIC Electronic Components

MICRONE ME6214A30M3G

ModelME6214A30M3G
PackageSOT23-3
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME6214A30M3G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME6214A30M3G
Electronic Component
1
Package
SOT23-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.05g
Electronic Component
1
Features
Output
Electronic Component
BM0227695477
Operating Temperature
40℃~+85℃@(Tj)
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.

ME6214A30M3G 产品概述

一、概述

ME6214A30M3G 是南京微盟(MICRONE)推出的一款固定输出、正极线性低压差稳压器(LDO),输出电压为 3.0V,单通道封装为 SOT23-3。该器件集成使能(EN)脚,具备过流保护与短路保护功能,静态电流极低(Iq = 700 nA),最高输出电流可达 300 mA,适用于对待机功耗敏感同时需较高瞬态输出能力的便携与嵌入式系统。

二、主要特性

  • 固定输出:3.0V 正极输出
  • 输入电压范围:支持至 18V(设计时请参考数据手册的绝对最大额定值与工作电压)
  • 输出电流:最高 300 mA 连续输出能力
  • 超低静态电流:典型 Iq = 700 nA,适合电池供电与低功耗待机场景
  • 保护功能:内置过流保护(OCP)与短路保护(SCP),提升系统可靠性
  • 使能控制:带 EN(使能)脚,可外部控制稳压器开关(具体门限电平请参阅原厂手册)
  • 工作温度:-40 ℃ ~ +85 ℃(以器件结温 Tj 规范为准)
  • 封装:SOT23-3,适合紧凑 PCB 布局

三、应用场景

  • 电池供电便携设备(可穿戴、手持终端)
  • 工业与消费类传感器供电模块
  • MCU、模拟前端和射频前端的 3.0V 供电
  • 低功耗待机电路与电源管理子系统

四、电路与布局建议

  • 输入/输出去耦:为保证稳压器稳定与良好瞬态响应,建议在输入侧靠近 VIN 引脚放置旁路电容,输出侧靠近 VOUT 放置低 ESR 电容(常见建议值范围为 1 μF ~ 10 μF,具体类型与 ESR 要求请参考厂商数据手册)。
  • 使能控制:若不使用外部控制,可将 EN 拉到器件要求的使能电平使能输出;若需 MCU 控制,请确认 EN 的逻辑电平与 MCU I/O 匹配。
  • 散热与功率损耗:线性稳压器的功耗为 (Vin - Vout) × Iout。在高输入差与大负载电流下,器件会产生较多热量,应通过合理的 PCB 铜箔面积和散热路径降低结温,必要时在 PCB 下方与周围扩展散热铜箔。
  • 保护功能:器件自带过流和短路保护,但长期处于保护触发状态会增加热应力,设计时应避免长时间短路或频繁进入限流模式。

五、选用与注意事项

  • 查阅原厂数据手册:本文给出的是主要参数与应用指导,精确门限、电容 ESR 要求、引脚功能与具体典型特性曲线请以 MICRONE 的正式数据手册为准。
  • 输入电压余量:为降低功耗与热耗,尽量让输入电压与 3.0V 输出接近但仍高于最小差压要求(请参考数据手册的最小 dropout 电压)。
  • PCB 布局优先级:在布局时优先短路径连接 VIN、VOUT 与 GND,输出电容尽量靠近 VOUT 和 GND 引脚放置,以保证稳态与瞬态性能。
  • 环境与可靠性:在高温或高负载应用场景,应进行热仿真与实测,确保器件 Tj 不超过可靠工作区间。

六、小结

ME6214A30M3G 以超低静态电流、单通道 3.0V 输出、300 mA 的输出能力以及完整的保护功能,适合对待机功耗严格、同时需要稳定 3.0V 供电的便携及嵌入式产品。SOT23-3 的小尺寸封装利于空间受限的 PCB 设计,但在大电流和高 Vin 差压情况下需重视热管理。购买与设计应用前,请仔细阅读并遵循 MICRONE 的数据手册与典型应用电路。

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