WMSIC Electronic Components

MICRONE ME6206B18XG

ModelME6206B18XG
PackageSOT-23
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 ME6206B18XG
Type
MICRONE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
310mV@(100mA)
Electronic Component
MICRONE
Electronic Component
ME6206B18XG
Electronic Component
1
Package
SOT-23
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.001g
Electronic Component
1
Electronic Component
BM0227598288
Operating Temperature
40℃~+85℃@(Ta)
Operating Voltage
5.5V
Output
Electronic Component
Output Voltage
1.8V
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.

ME6206B18XG 产品概述

一、产品简介

ME6206B18XG 是 MICRONE(南京微盟)推出的一款固定输出线性稳压器,输出电压为 1.8V,面向便携与低功耗电子设备的电源管理。器件封装为 SOT-23,单通道正极输出,集成了短路保护与过流保护,具有低静态电流与较好的电源纹波抑制能力,适合为 MCU 核心、传感器、射频前端等对噪声和静态功耗敏感的模块供电。

二、主要参数(概要)

  • 输出类型:固定(1.8V)
  • 最大工作电压(Vin):5.5V
  • 最大输出电流(Iout):250mA
  • 压差(Dropout):约 310mV @ 100mA(随电流增大会相应升高)
  • 静态电流(Iq):典型 7µA(适用于电池供电的低功耗场景)
  • 电源纹波抑制比(PSRR):70dB @ 100Hz(对工频及低频噪声有良好抑制)
  • 保护功能:短路保护、过流保护
  • 工作温度范围:-40℃ ~ +85℃(Ta)
  • 输出极性:正极
  • 通道数:1
  • 封装:SOT-23
  • 品牌:MICRONE(南京微盟)

三、主要特性与优势

  • 低静态电流:7µA 的静态电流在待机或休眠态时可显著降低系统的静态功耗,延长电池寿命,适合电池供电设备与能耗敏感的便携设备。
  • 低压差性能:在 100mA 负载下仅约 310mV 的压差,能在较低输入电压条件下仍维持稳压输出(注意:压差随负载电流上升而增大)。例如,在 100mA 下最低输入电压约为 1.8 + 0.31 = 2.11V。
  • 良好的低频 PSRR:70dB(100Hz)可有效抑制来自电源的低频纹波与干扰,降低对模拟与射频电路的干扰风险。
  • 保护功能:内置短路/过流保护提高系统可靠性,避免因负载故障或意外短路造成器件损伤。
  • 紧凑封装:SOT-23 体积小,便于在空间受限的 PCB 上布局。

四、典型应用

  • 1.8V MCU/数字核电源:用于微控制器、DSP、FPGA 的内核或外设供电。
  • 传感器与模拟前端:稳定的 1.8V 电源配合高 PSRR,有助于提升采样精度。
  • 无线模组低压电源:为射频或基带芯片提供清洁电源,减少发射/接收时的相位噪声与失真。
  • 便携式电池设备:由于低 Iq,适合移动设备、可穿戴设备、遥测节点等低功耗场景。

五、使用与布局建议

  • 输出电容与稳定性:线性稳压器通常需要输出电容来确保稳定工作并改善瞬态响应。建议使用低 ESR 的陶瓷电容(例如 1µF~10µF),并将输出电容尽量靠近器件的输出引脚放置。具体容值和 ESR 要以器件数据手册为准。
  • 输入电容:输入侧应配置近端去耦电容(如 1µF~10µF)以抑制电源线上的瞬态与寄生电感引起的噪声。特别是在存在较长电源线或电池供电时,输入去耦尤为重要。
  • 布局原则:输入与输出电容应靠近引脚焊盘,GND 平面尽量完整以降低热阻并改善散热。输出电流通路应尽量宽,减少压降与热聚集。
  • 散热与功耗计算:在设计时需考虑功耗与封装散热能力。稳压器消耗的功率为 (Vin - Vout) × Iout,举例:当 Vin=5V、Vout=1.8V、Iout=250mA 时,功耗约为 (5 - 1.8) × 0.25 = 0.8W,此时需要检查 SOT-23 封装在对应 PCB 布局下的温升是否在安全范围内,并做必要的热降额处理。

六、注意事项与限制

  • 最大输入电压:产品标称工作电压上限为 5.5V,超出该范围可能损坏器件。
  • 输出电流上限:器件额定最大输出电流为 250mA,长期满载或高差压情况下要关注温度与热关断触发情况。
  • 压差随负载变化:压差数据为 100mA 条件下典型值,较高负载时压差会增加,设计输入电压时需留有余量。
  • 保护与其他功能:已知提供短路保护与过流保护;若需了解是否包含热关断或其他特殊保护机制,请参照官方数据手册以获取完整规范与限制条件。

总结:ME6206B18XG 是一款面向低功耗与空间受限应用的固定 1.8V 线性稳压器,具有低静态电流、较低压差和良好的低频 PSRR,对于便携设备和对电源噪声敏感的模块是一个实用的选择。详细的电气特性、典型应用电路与引脚说明,请以 MICRONE 官方数据手册为准。

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