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MICRONE ME6251C33M5G
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MICRONE ME6251C33M5G
- Type
- MICRONE
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 120mV@(100mA)
- Electronic Component
- MICRONE
- Electronic Component
- ME6251C33M5G
- Electronic Component
- 1
- Package
- SOT-23-5
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.051g
- Electronic Component
- 1
- Features
- Current
- Electronic Component
- BM0229935329
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 5.5V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 500mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ME6251C33M5G 产品概述
一、产品简介
ME6251C33M5G 是南京微盟（MICRONE）推出的一款低压差线性稳压器，固定输出 3.3V，最大输出电流可达 500mA。器件工作稳定、封装紧凑，适用于对噪声抑制与电源稳定性有较高要求的小型电子设备与便携产品。
二、关键性能参数
- 输出类型：固定输出（3.3V）
- 最大工作电压（Vin）：5.5V（器件额定输入电压范围以芯片手册为准）
- 输出电流：最大 500mA
- 压差（Dropout）：120mV @ 100mA（在更高电流下压差会增大，设计时需留意）
- 静态电流（Iq）：典型 60µA，适合电池供电应用
- PSRR（电源纹波抑制比）：70dB @ 1kHz，适合抑制工频及开关噪声
- 工作温度范围：-40℃ ~ +85℃（Ta）
- 输出极性：正极，单通道输出
三、主要特点与保护功能
- 带使能（EN）引脚，便于电源的软启动与分区供电管理
- 过流保护（OCP）与短路保护设计，提高系统可靠性，防止异常工况损坏器件或供电源
- 低静态电流设计，有利于延长电池供电设备的待机时间
- 良好的纹波抑制能力，使其在对模拟或射频电路供电时能降低干扰传递
四、封装与热管理
- 封装形式：SOT-23-5，体积小、易于表面贴装，适合空间受限的应用
- 热性能需在具体电流和环境温度下评估：在接近 500mA 工作时，功耗（Vin−Vout）×Iout 会导致芯片结温上升，建议在 PCB 布局中通过加大 GND/COPPER 区域和散热铜箔来降低结温并保证长期可靠性。
五、典型应用场景与设计建议
适用场景包括便携式设备、物联网节点、单片机/传感器供电、模拟与射频模块的局部稳压等。设计时建议注意：
- 输入/输出端靠近引脚放置低 ESR 陶瓷电容（参考数据手册给出的容值和要求），以保证稳压器稳定性与瞬态响应。
- EN 引脚用于系统电源管理和软启动，连接逻辑电平时注意驱动电压范围。
- 由于压差规格给出为 100mA 条件下的典型值，若在高电流区域（接近 500mA）使用，应预留足够的输入电压裕量或评估功耗与发热。
- 布局时把输入电容、输出电容和 GND 回流路径尽量缩短，增强 PSRR 与瞬态性能。
六、采购与参考
品牌：MICRONE（南京微盟），型号：ME6251C33M5G，封装：SOT-23-5。建议在最终设计前参照厂家最新数据手册确认详细电气特性、引脚定义、典型应用电路和推荐外部元件，以保证设计符合可靠性与性能要求。
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