WMSIC Electronic Components

MICRONE ME3102AM5G

ModelME3102AM5G
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 ME3102AM5G
Type
MICRONE
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME3102AM5G
Electronic Component
1
Package
SOT-23-5
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.015g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0227688938
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
2.5V~5.5V
Switching Frequency
1.75MHz
Electronic Component
Electronic Component

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

ME3102AM5G 产品概述

一、概述

ME3102AM5G 是南京微盟(MICRONE)推出的一款降压型同步整流 DC-DC 转换器,采用 SOT-23-5 小型封装。芯片集成高侧/低侧开关,支持 2.5V~5.5V 输入电压,输出电压可调范围 0.6V~5.5V,最大输出电流 1A,典型开关频率 1.75MHz,静态电流仅 45µA,工作温度范围 -40℃~+85℃(TA)。内置同步整流与开关管,适合体积受限、需高效率与低静耗的便携与物联网终端应用。

二、主要特性

  • 输入电压:2.5V~5.5V
  • 输出电压:可调 0.6V~5.5V
  • 最大输出电流:1A(降额设计时需注意散热)
  • 开关频率:约 1.75MHz(高频率可减小外部电感与电容体积)
  • 工作温度:-40℃~+85℃(TA)
  • 同步整流:内置(提高轻载与中载效率)
  • 静态电流:45µA(适合低功耗待机场景)
  • 封装:SOT-23-5(5 引脚,利于小尺寸 PCB 设计)

三、典型应用场景

  • 便携式设备与电池供电系统(移动电源管理、手持终端)
  • 物联网节点、无线传感器与智能家居终端
  • 单片机/外设供电、子系统电源降压
  • 小功率 LED 驱动与消费类电子产品

四、设计要点与建议

  • 输入/输出去耦:建议在 VIN 附近放置低 ESR 的陶瓷电容以抑制瞬态与开关噪声,输出侧也优先使用多层陶瓷电容。
  • 电感选择:选用额定电流高于 1A、低 DCR 的功率电感,高频工作下尺寸可较小;为确保稳定性与效率,需参考器件 Datasheet 推荐的电感值与电流裕量。
  • 布局与散热:SW 引脚及电感、输入电容应尽量靠近芯片布局,缩短回流环路;SOT-23-5 封装对散热有限,需留意 PCB 铜箔面积以增强散热能力。
  • 启用/保护:若设计需要关断功能,可利用 EN/SHDN 引脚(若芯片提供)实现低功耗待机;系统应考虑过流、过温保护策略(参阅详细资料以确认器件自带保护能力)。

五、封装与封装应用注意

SOT-23-5 小封装利于空间受限设计,但热阻相对较大。在接近 1A 输出或高压差工况下,应在 PCB 上增加散热铜箔并优化走线,避免长期高温影响可靠性。

六、总结

ME3102AM5G 以其宽输入范围、可调输出、1A 的输出能力、内置同步整流与 1.75MHz 的高开关频率,适合对尺寸、效率与静态功耗有较高要求的消费与工业电子产品。在实际应用中,注意电感、电容的选型与 PCB 热管理,可以充分发挥其小封装、高效率、低待机功耗的优势。欲获取详细电气参数、典型应用电路与布局示意,请查阅官方数据手册。

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