WMSIC Electronic Components

MICRONE ME6216A18M3G

ModelME6216A18M3G
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME6216A18M3G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
400mV@(200mA)
Electronic Component
MICRONE
Electronic Component
ME6216A18M3G
Electronic Component
1
Package
SOT-23
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.044g
Electronic Component
1
Electronic Component
BM0228747283
Operating Temperature
25℃~+125℃@(Ta)
Operating Voltage
9V
Output
Electronic Component
Output Voltage
1.8V
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.

ME6216A18M3G 产品概述

一、产品简介

ME6216A18M3G 是南京微盟(MICRONE)推出的一款固定输出线性稳压器(LDO),固定输出电压为 1.8V,单通道输出,采用 SOT-23 小封装。器件面向低静态电流、便携与电池应用场景,结合短路保护与过流保护,提供稳健的输出保障。

二、核心性能要点

  • 输出类型:固定 1.8V(正极输出)
  • 最大输出电流:300mA
  • 静态电流(Iq):典型 8μA,适合低功耗休眠场景
  • 压差(Dropout):约 400mV @ 200mA(说明在 200mA 时输入电压需比输出高出至少 0.4V)
  • 电源纹波抑制(PSRR):65dB @ 1kHz,良好噪声抑制能力
  • 保护特性:短路保护、过流保护
  • 工作温度范围:-25℃ ~ +125℃(Ta)
  • 封装:SOT-23,适合空间受限的设计

三、电气与热设计要点

  • 输入电压与压差:器件标称工作电压为 9V(请以原厂 datasheet 为准),实际工作时需保证 Vin ≥ Vout + 压差;例如在 200mA 条件下 Vin 最低应 ≈ 2.2V。
  • 功耗与散热:P = (Vin - Vout) × Iout。若 Vin=9V、Iout=300mA,则耗散 ≈ 2.16W,SOT-23 封装热阻较大,需通过 PCB 铜箔、散热面或降额设计控制结温,避免热关断或寿命下降。
  • 输出稳定性与电容:建议输入端并联 1μF4.7μF 低ESR 陶瓷电容,输出端采用 2.2μF10μF(X5R/X7R)低ESR 电容并靠近引脚布局,以保证 LDO 稳定工作。具体电容值与 ESR 要求请参见官方 datasheet。
  • 布线建议:输入/输出电容尽量靠近引脚、走线短且宽,公共地线回流路径清晰,必要时在散热区增加铜面积与过孔。

四、典型应用

  • 便携设备与电池供电模块(因低静态电流适合待机)
  • MCU、传感器、射频前端的 1.8V 供电
  • 工业控制与仪表(需宽温度范围时评估环境适配)
  • 嵌入式与物联网终端

五、封装与选型建议

  • 封装为 SOT-23,适合空间受限但对功耗/散热有要求的应用。
  • 选型时重点核对最大输入电压、最大结温、热阻(θJA)、过流/短路限制特性和启动特性,确保在目标工况(Vin、Iout、环境温度)下器件可靠工作。若系统需更高输出电流或更大功耗,应考虑更大封装或外加散热措施。

六、实用提示

  • 若系统可能出现反向电压、浪涌或高瞬态电流,建议在输入端增加肖特基二极管或 热电保护元件以提高可靠性。
  • 对噪声敏感的模拟前端,可在输出加入小并联电容或后级滤波器改善纹波与噪声。
  • 设计评估时请务必参考 ME6216A18M3G 的原厂 datasheet 以获得完整的电气特性曲线与典型应用电路。

总结:ME6216A18M3G 综合了低静态电流、较高 PSRR 与保护功能,适用于对电池寿命与电源质量有要求的 1.8V 供电场景,但在高 Vin 与高 Iout 条件下需重点考虑热量管理与 PCB 散热设计。

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