WMSIC Electronic Components

TECH PUBLIC XC6219B122MR

ModelXC6219B122MR
PackageSOT-23-5
BrandTECH PUBLIC
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TECH PUBLIC XC6219B122MR
Type
TECH PUBLIC
Minimum package
3000 卷

Technical parameters

Electronic Component
90mV@(100mA);230mV@(200mA)
Electronic Component
TECH PUBLIC
Electronic Component
50uVrms
Electronic Component
XC6219B122MR
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.037g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0225342524
Operating Temperature
40℃~+85℃
Operating Voltage
6V
Output
Electronic Component
Output Voltage
1.2V
Output Current
300mA

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

XC6219B122MR 产品概述 — TECH PUBLIC(台舟电子)

一、概述

XC6219B122MR 是一款固定输出、带使能功能的低压差线性稳压器(LDO),输出电压为 1.2V,面向对噪声、纹波抑制及低静态电流有要求的便携和嵌入式系统。器件采用 SOT-23-5 小型封装,适合空间受限的电源管理设计。工作温度范围为 -40℃ 至 +85℃,适用于工业级和消费级环境。

二、主要特性

  • 输出类型:固定(1.2V,正极输出)
  • 带使能(EN)功能,便于系统电源管理和低功耗控制
  • 工作电压:6V(器件最大或典型输入电压,请按原厂手册核对)
  • 最大输出电流:300mA
  • 静态电流(Iq):70µA(静态/待机功耗低)
  • 压差(Dropout):90mV @ 100mA;230mV @ 200mA(低压差性能,有利于电池供电时延长使用时间)
  • PSRR(电源纹波抑制比):70dB @ 1kHz(优良的纹波抑制能力,适合噪声敏感的模拟前端)
  • 输出噪声:50µV RMS(低噪声输出,适合 ADC 与射频前端供电)
  • 输出通道数:1
  • 封装:SOT-23-5
  • 工作温度范围:-40℃ ~ +85℃

三、典型应用场景

  • 移动设备与便携终端:为处理器核心、通信模块或传感器提供低噪声电源
  • 精密模拟电路:ADC、放大器和射频电路的基准/供电源
  • 电池供电系统:低压差和低静态电流有助于延长电池寿命
  • 工业控制与测量设备:工作温度范围和稳定性满足工业应用要求

四、封装与热设计要点

XC6219B122MR 采用 SOT-23-5 小封装,适合 PCB 面积受限的应用。由于 LDO 的功耗与 (Vin - Vout) × Iout 直接相关,需重视热设计:

  • 在高输入电压与满载工作(300mA)时,器件功耗可能较大,应通过增大 PCB 散热铜箔面积或多层接地平面降低结壳温升。
  • 评估热闭合限制并参考原厂热阻数据与降额曲线,避免在不充分散热条件下长期运行满载。

五、使用与布局建议

  • 输出与输入端建议使用高品质、低 ESR 的陶瓷电容以确保稳态稳定性与低噪声;具体电容值和 ESR 要求请参见原厂数据手册。
  • 使能引脚方便系统电源控制但不要悬空;对噪声敏感场合建议通过明确的上拉/下拉电阻或 MCU 控制引脚连接。
  • 输入端应加较短的去耦电容并靠近器件布置,以抑制输入线上的瞬态和寄生。
  • 对于对纹波抑制要求高的应用,可结合屏蔽与合理走线减少外来干扰。

结语:XC6219B122MR 以其低噪声、高 PSRR、低静态电流与较低压差特性,适合对电源质量和功耗敏感的各类电子系统。设计中请结合原厂完整数据手册核对引脚定义、电容推荐与使能阈值等详细参数,确保系统可靠性与热管理达标。

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