WMSIC Electronic Components

MICRONE ME2188A33M3G-N ME2188A33M3G

ModelME2188A33M3G-N
PackageSOT-23-3L
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 ME2188A33M3G-N
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME2188A33M3G-N
Electronic Component
1
Package
SOT-23-3L
Electronic Component
DC-DC Power Supply IC
Electronic Component
1g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0227598289
Operating Temperature
40℃~+85℃
Operating Voltage
900mV~5V
Switching Frequency
320kHz
Electronic Component
Electronic Component
Output Voltage
3.3V

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

ME2188A33M3G-N 产品概述

一、概要特性

ME2188A33M3G-N 是南京微盟(MICRONE)推出的一款升压型开关稳压器,属于固定输出3.3V型号。器件工作输入电压范围宽,0.9V 至 5V,内部集成开关管并采用同步整流结构,开关频率为320kHz,能为负载提供最高350mA 的输出电流。静态电流仅为7.5µA,适合对待机功耗敏感的电池供电系统。器件工作温度范围为 -40℃ 到 +85℃,封装为常见的 SOT-23-3L,便于小型化设计与批量生产。

二、主要功能与保护

  • 同步整流:内置同步整流以降低导通损耗,提高中/高电流工作下的效率,特别是从低电压源(如单节锂电池或1节/2节碱性电池)升压到3.3V时,效率优势明显。
  • 轻载高效模式:在轻载或待机状态下自动进入高效工作模式,进一步压低静态电流,延长电池寿命。
  • 过流保护:内建过流保护机制,在输出短路或过载时限制电流,提升系统可靠性并便于故障诊断。
  • 内置开关:集成功率开关管,简化外部器件选型与PCB布局,缩小整体解决方案尺寸。

三、典型应用场景

  • 便携式/可穿戴设备:要求低待机电流与稳定3.3V电源的小型设备。
  • 无线传感器节点、IoT 终端:单节电池供电、间歇工作且需要高效率升压的场合。
  • 工业与消费类低功耗模块:如传感器采集模块、记忆/RTC 备份电源等。
  • 任何从0.9V~5V电源提升到3.3V并要求约几百毫安负载的应用。

四、封装与引脚(概述)

ME2188A33M3G-N 提供 SOT-23-3L 小型封装,便于空间受限的系统。作为固定输出器件,内部实现了反馈与稳压,不需要外部反馈电阻网络。常规三引脚布局便于标准化设计,但在实际布局时需参考厂家详细引脚定义与推荐电路图。

五、设计建议与注意事项

  • 输入旁路:在 VIN 端靠近器件放置低ESR陶瓷电容,抑制开关噪声并稳定输入电压。
  • 输出滤波:根据负载要求选择合适容量与低ESR 输出电容以降低输出纹波并保证瞬态响应。
  • 电感选择:选用适配320kHz工作频率、满足峰值电流的电感,平衡效率与体积。
  • PCB 布局:缩短开关回路(开关节点、输入电容与电感)走线,地线尽量集中,减小辐射与损耗。
  • 热管理:在高输出电流且高占空比工作场景,关注器件发热并保证足够的通风或散热路径。
  • 保护与测试:评估系统在短路与过温条件下的行为,必要时配合外部熔断器或温度监控。

六、采购与技术支持

ME2188A33M3G-N 属于 MICRONE(南京微盟)产品线,标配 SOT-23-3L 封装,适合SMT贴装与量产。建议在方案验证阶段参照厂商数据手册和典型应用电路进行评估;如需样片、详细数据手册或评估板,可联系厂商或授权分销商获取更完整的设计资料与技术支持。

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