WMSIC Electronic Components

LRC LR6375A33M

ModelLR6375A33M
PackageSOT-23-3
BrandLRC
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
LRC LR6375A33M
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
400mV@(100mA)
Electronic Component
LRC
Electronic Component
LR6375A33M
Electronic Component
1
Package
SOT-23-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.058g
Electronic Component
1
Electronic Component
BM0227759727
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
36V
Output
Electronic Component
Output Voltage
3.3V
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.

LR6375A33M 线性稳压器(LDO)产品概述

一、产品定位与核心优势

LR6375A33M是乐山无线电(LRC)推出的固定输出型线性稳压器(LDO),主打「低静态功耗、宽输入电压范围、高纹波抑制」三大核心优势,专为对电源稳定性、功耗控制及环境适应性要求严苛的场景设计。作为单通道正极输出LDO,其输出电压固定为3.3V,可直接为MCU、传感器、通信模块等低压负载供电,无需额外电压调节电路,简化系统设计。

二、关键性能参数详解

1. 电压与电流规格

  • 输入电压:支持最大36V输入,覆盖工业24V、车载12V/24V等宽电压场景;
  • 输出电压:固定3.3V(精度符合常规LDO要求,无需手动调节);
  • 输出电流:最大250mA,满足多数中小功率负载(如低功耗MCU、小型传感器)的供电需求;
  • 压差性能:100mA负载下压差仅400mV,高输入电压场景下仍能保证输出稳定(如输入3.7V时,3.3V输出+400mV压差刚好匹配低电压差需求)。

2. 电源纹波抑制(PSRR)

具备70dB@1kHz的PSRR,可有效衰减输入电源的高频纹波(如开关电源输出纹波、电网干扰),为高精度传感器、低功耗MCU等对电源噪声敏感的负载提供纯净供电,避免纹波干扰信号采集或电路工作。

3. 静态电流(Iq)

静态电流仅5μA,远低于同类产品平均水平(多数常规LDO静态电流≥20μA)。极低的静态功耗可显著降低系统待机能耗,适合电池供电的便携式设备(如手持测试仪)或长期待机的物联网终端(如环境监测节点),有效延长电池续航。

三、封装与引脚设计

LR6375A33M采用SOT-23-3封装,尺寸仅约2.9mm×1.6mm×1.1mm,占用PCB面积极小,适合空间受限的紧凑型设计(如车载仪表盘、小型工业模块)。

引脚配置(标准SOT-23-3定义):

  • 引脚1:VIN(输入电压端,接≤36V直流电源);
  • 引脚2:GND(接地端);
  • 引脚3:VOUT(输出电压端,接3.3V负载)。

引脚布局简单,仅需少量滤波电容即可稳定工作,进一步简化系统设计与生产流程。

四、多重保护功能特性

为提升可靠性与系统安全性,器件集成三大核心保护:

  1. 过热保护(OTP):结温超过阈值(典型150℃)时自动关断输出,温度回落至安全范围后自动恢复,无需手动重置;
  2. 短路保护(SCP):输出短路时限制电流至安全值(典型300mA),避免损坏负载或器件,短路排除后自动恢复;
  3. 过流保护(OCP):输出电流超250mA时启动保护,限制电流增长,防止过流导致的发热或损坏。

五、宽温工作与可靠性

LR6375A33M的工作结温范围为-40℃~+125℃,覆盖工业级与部分车载级温度要求:

  • 低温场景:-40℃环境下参数稳定,适合北方户外设备、低温工业车间;
  • 高温场景:+125℃结温下正常工作,适合车载发动机舱、工业烤箱附近模块。

器件采用LRC成熟工艺制造,抗电磁干扰(EMI)能力强,可靠性符合工业级标准,可长期稳定运行。

六、典型应用场景

结合性能特点,典型应用包括:

  1. 工业控制:PLC输入输出模块、传感器信号采集单元(宽温+高PSRR抗干扰);
  2. 车载电子:车载显示屏、行车记录仪、传感器节点(宽温+多重保护);
  3. 便携式设备:手持工业检测仪、应急照明(低Iq延长电池续航);
  4. 物联网终端:环境监测节点、智能穿戴(小封装+低功耗);
  5. 低功耗MCU供电:STM32L、MSP430系列MCU电源模块(稳定3.3V+低噪声)。

LR6375A33M凭借低功耗、宽电压、高可靠性等优势,成为工业、车载、物联网领域中小功率负载供电的理想选择,可有效简化设计、降低能耗并提升系统稳定性。

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