WMSIC Electronic Components

MICRONE ME6209A45PG

ModelME6209A45PG
PackageSOT-89
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICRONE ME6209A45PG
Type
MICRONE
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
70mV@(40mA)
Electronic Component
MICRONE
Electronic Component
ME6209A45PG
Electronic Component
1
Package
SOT-89
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.144g
Electronic Component
1
Electronic Component
BM0227744284
Operating Temperature
45℃~+150℃@(Ta)
Operating Voltage
18V
Output
Electronic Component
Output Voltage
4.5V
Output Current
250mA
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.

ME6209A45PG 产品概述

ME6209A45PG 是南京微盟(MICRONE)推出的一款固定输出线性稳压器(LDO),输出 4.5V,适用于对低噪声、低静态电流和可靠保护要求较高的电源设计。器件为单通道正极输出,封装为 SOT-89,工作电压可达 18V,最大输出电流 250mA,并集成过流保护与过热保护,适合工业级和便携式应用。

一、主要特性

  • 固定输出:4.5V 正输出,稳定可靠,便于系统电源架构设计。
  • 输出电流:最大可提供 250mA,满足常见模拟电路、传感器和低功耗控制器的供电需求。
  • 低静态电流:静态电流(Iq) 仅 3µA,有利于延长电池供电系统的待机时间。
  • 低压差:在 40mA 负载下压差仅约 70mV,适合对输入电压余量有限的场合。
  • 保护功能:内置过流保护 (OCP) 与过热保护 (thermal shutdown),提高系统可靠性与故障自恢复能力。
  • 宽温度范围:工作温度范围 -45°C~+150°C(Ta),覆盖严苛环境应用。
  • 封装:SOT-89,小封装便于空间受限设计与自动贴片装配。

二、电气性能要点

ME6209A45PG 在常见工作点展现出低压差和低静态功耗的优势,适用于对效率和待机功耗敏感的系统。器件对输入电压具备良好容忍性(工作电压至 18V),同时在过载或过热情况下通过内部保护机制限制输出,避免系统元件受损。

三、封装与热管理

SOT-89 封装体积小,适合紧凑布局,但热阻相对较大。在高负载或高环境温度下应注意散热设计:尽量增大 PCB 的铜箔面积,使用散热通孔或接地平面以改善热传导,确保在最大允许结温下稳压器可靠工作。

四、典型应用场景

  • 便携式设备与电池供电终端(传感器节点、手持仪表)
  • 工业控制与现场仪表(需要宽温度和可靠保护)
  • 通信与物联网终端电源管理
  • 模拟电路、参考电源和微控制器供电

五、设计与布局建议

  • 在 VIN 端靠近稳压器放置去耦电容,减小输入线路阻抗与噪声。
  • 输出端应使用合适的电容以保证稳压器稳定性与瞬态响应(根据实际电容类型与电路要求选择);电容靠近 VOUT 与 GND 布置。
  • 保持热源远离稳压器,必要时扩大接地铜箔以改善散热。
  • 为充分利用器件的保护特性,注意负载启动与反向电压情形的控制,避免异常工作状态。

六、规格与采购信息

型号:ME6209A45PG
品牌:MICRONE(南京微盟)
封装:SOT-89
输出电压:4.5V(固定)
最大输出电流:250mA
静态电流:3µA
最大工作电压:18V
保护:过流保护、过热保护
工作温度:-45°C ~ +150°C(Ta)

总结:ME6209A45PG 以其低静态电流、低压差和完善的保护功能,适合对能耗与可靠性有较高要求的应用场合。SOT-89 封装在保证性能的同时兼顾占板面积优化,是中小功率稳压方案的理想选择。若需评估具体电容类型、瞬态响应或热设计参数,建议参考器件详细数据手册并结合 PCB 热仿真进行验证。

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