WMSIC Electronic Components

MICRONE ME6232A30M3G

ModelME6232A30M3G
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME6232A30M3G
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
120mV@(100mA)
Electronic Component
MICRONE
Electronic Component
130uVrms
Electronic Component
ME6232A30M3G
Electronic Component
1
Package
SOT23-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.057g
Electronic Component
1
Electronic Component
BM0227342098
Operating Temperature
40℃~+85℃
Operating Voltage
6V
Output
Electronic Component
Output Voltage
3V
Output Current
400mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ME6232A30M3G 产品概述

ME6232A30M3G 是南京微盟(MICRONE)推出的一款固定输出 3.0V 低压差线性稳压器(LDO),采用 SOT23-3 封装,定位于对噪声、纹波抑制与低静态电流有严格要求的便携与嵌入式系统。器件具备过流保护、过热保护与使能功能,适合电池供电与工业温度范围应用。

一、主要规格摘要

  • 品牌:MICRONE(南京微盟)
  • 型号:ME6232A30M3G
  • 输出类型:固定(3.0V)
  • 工作电压(输入):最高 6V(器件额定工作条件)
  • 最大输出电流:400mA
  • 静态电流(Iq):1.4 μA(超低静态电流,利于电池系统)
  • 压差(Dropout):120 mV @ 100 mA(低压差)
  • 电源纹波抑制比(PSRR):70 dB @ 1 kHz(高纹波抑制能力)
  • 输出噪声:130 μVrms(低噪声)
  • 保护特性:过流保护(OCP)、过热保护(OTP)
  • 使能:带使能引脚(用于功耗管理)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 输出极性:正极
  • 封装:SOT23-3(小型表贴封装)

二、功能与优势解析

  • 极低静态电流:1.4 μA 的静态电流显著降低待机功耗,适合长期运行的电池供电设备(如传感节点、可穿戴设备与智能传感器)。
  • 低压差性能:在 100 mA 负载下仅 120 mV 的压差,使在较低输入电压下仍能稳定输出 3.0V,提升系统能量利用率。
  • 高 PSRR 与低噪声:70 dB(1 kHz)PSRR 与 130 μVrms 输出噪声,能有效抑制电源纹波与开关噪声,适合对模拟前端、射频或音频电路的供电。
  • 保护机制:内置过流与过热保护,能在异常工作状态下限制输出并保护芯片与负载,提升系统可靠性。
  • 使能控制:EN 引脚便于系统电源管理,可通过逻辑信号快速打开或关闭输出,配合低静态电流实现更优的待机表现。
  • 小型封装:SOT23-3 体积小、焊接方便,适用于空间受限的模块或 PCB 布局。

三、典型应用场景

  • 便携和电池供电设备:如无线传感器节点、智能手环、可穿戴设备、遥控器等。
  • 模拟与数据采集前端:为 ADC、传感器与放大器等提供低噪声电源。
  • 通信与射频模块:需要抑制电源纹波以提升接收灵敏度的无线模块。
  • 工业与消费电子:嵌入式控制板、备份电源或参考电源等场景。

四、设计与布局建议

  • 输入/输出去耦:为保证稳定与低噪声性能,建议在输入端和输出端靠近器件引脚放置陶瓷旁路电容(典型值常为数 μF 级别,具体按照系统需求与数据手册推荐)。
  • 热设计:尽管 SOT23-3 为小型封装,但在接近 400 mA 负载时需注意 PCB 热设计与散热路径,尽量扩大 GND/散热铺铜以降低结温并提高功率处理能力。
  • 使能控制:若需动态电源管理,通过 EN 引脚控制器件进入低功耗关断态,可最大化系统续航。若 EN 为高电平使能,设计时注意上拉/下拉电阻以避免启动时漂移。
  • 保护配合:虽然芯片具备过流与过热保护,但在可能的短路或突发浪涌场景下,建议在系统级设计中配合保险丝或限流元件提升安全性。

五、选型与替代考量

ME6232A30M3G 适合在对低静态电流、低压差与低噪声有综合要求的场合选用。若系统需要更高输出电流或更宽工作温度范围,可考虑同系列或其他厂商的高功率 LDO;若对输入电压范围有更高需求,应核对数据手册中具体的最大输入电压与纹波容忍度。

总结:ME6232A30M3G 以其小尺寸、低静态电流、良好的压差和高 PSRR,适合为对电源品质与功耗敏感的便携与嵌入式应用提供稳定的 3.0V 电源。推荐在设计初期结合器件数据手册进行输入/输出电容与 PCB 热设计优化,以发挥器件最佳性能。

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