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MICRONE ME6231C18M5G
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MICRONE ME6231C18M5G
- Type
- MICRONE
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 260mV@(100mA)
- Electronic Component
- MICRONE
- Electronic Component
- ME6231C18M5G
- Electronic Component
- 1
- Package
- SOT-23-5
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.048g
- Electronic Component
- 1
- Features
- Output
- Electronic Component
- BM0226539375
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 18V
- Output
- Electronic Component
- Output Voltage
- 1.8V
- Output Current
- 500mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ME6231C18M5G 产品概述
一、概述
ME6231C18M5G 是 MICRONE（南京微盟）推出的一款固定输出 1.8V 线性稳压器，单通道输出，封装为 SOT-23-5。器件面向便携与低功耗系统，支持使能控制并集成过流保护与过热保护，适合对噪声与电源纹波有较高要求的应用场景。
二、主要参数（关键指标）
- 输出类型：固定（1.8V）
- 最大输出电流：500 mA
- 工作电压（输入）：18 V（绝对最大/工作范围见数据手册）
- 压差（Dropout）：260 mV @ 100 mA（随负载增大而上升）
- 静态电流（Iq）：1.8 µA（低静态电流，适合待机）
- PSRR：65 dB @ 1 kHz（良好的纹波抑制）
- 保护：过流保护、过热保护、热关断
- 特性：带使能（EN）端口
- 工作温度：-40 ℃ ~ +85 ℃（Ta）
- 输出极性：正极输出
- 封装：SOT-23-5
三、典型应用
- 电池供电设备与移动终端（电源管理、MCU 供电）
- 物联网节点、传感器前端（需要低静态电流与高 PSRR）
- 模拟电路与参考电源（对纹波敏感的放大/ADC 前端）
- 工业控制与消费电子小型化电源解决方案
四、使用建议与注意事项
- 输出电容：器件通常需要外部输出电容以保证稳定性，建议使用低 ESR 陶瓷电容，典型范围 1 µF ~ 10 µF（具体请参考完整数据手册）。输入侧亦应放置去耦电容以抑制瞬态与提高 PSRR。
- 压差与散热：给出的压差为 100 mA 条件下的典型值，流过 500 mA 时压差会显著上升；功耗按 Pd = (Vin - 1.8V) × Iout 计算。例如，Vin = 5V、Iout = 500 mA 时 Pd ≈ 1.6 W，SOT-23-5 封装散热能力有限，须注意 PCB 散热（加大铜箔、接地平面、减小导线长度）以避免热关断。
- 使能端（EN）：通过 EN 引脚控制输出开/关，便于系统省电。EN 的电平阈值与输入容限请参照数据手册以避免误动作。
- 保护机制：在异常负载或短路情况下，过流保护与热关断提供器件自我保护，但不应长期工作在保护状态下，应检查并修正系统问题。
五、封装与 PCB 布局建议
- 封装：SOT-23-5，适合小尺寸应用。
- 布局要点：VIN、VOUT 与 GND 走线尽可能短且粗；输入与输出电容靠近器件引脚放置；在 GND 下采用连续大面积地平面以提升散热与降低噪声；必要时在 VOUT 到负载间加抗震/滤波元件以稳定输出。
总结：ME6231C18M5G 以其低静态电流、良好 PSRR 与丰富的保护特性，适合对功耗与噪声敏感的便携与嵌入式系统。实际设计中应重点关注压差随电流变化、功耗与散热布局，按照数据手册的具体引脚定义与外围元件建议进行设计与验证。
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