WMSIC Electronic Components

MICROCHIP MIC5504-1.2YM5-TR MIC5504

ModelMIC5504-1.2YM5-TR
PackageSOT-23-5
BrandMICROCHIP
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
MICROCHIP MIC5504-1.2YM5-TR
Type
MICROCHIP
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
380mV@(300mA)
Electronic Component
MICROCHIP
Electronic Component
175uVrms
Electronic Component
MIC5504-1.2YM5-TR
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.038g
Electronic Component
1
Features
Output
Electronic Component
BM0265132288
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
5.5V
Output
Electronic Component
Output Voltage
1.2V

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

MIC5504-1.2YM5-TR 线性稳压器产品概述

一、产品定位与核心价值

MIC5504-1.2YM5-TR是美国微芯(Microchip)推出的固定输出型线性稳压器,针对低功耗、紧凑空间及宽温环境设计,主打“小封装、低噪声、高可靠性”三大核心优势,广泛适配电池供电设备、工业传感器及汽车辅助电路等场景,可有效简化电源设计并提升系统稳定性。

二、关键电气参数详解

该器件的核心参数直接支撑其应用场景,具体如下:

  1. 电压与电流特性:
    • 输入电压上限:5.5V(避免过压损坏,适配常见电池或稳压电源输出);
    • 固定输出电压:1.2V(精度满足多数数字电路、模拟传感器的供电需求,无需额外调节);
    • 最大输出电流:300mA(可驱动中等功率负载,如小型MCU、蓝牙模块、传感器阵列);
    • 压差:380mV@300mA(输入电压需比输出高至少380mV才能稳定输出,例如输出1.2V时,输入需≥1.58V)。
  2. 纹波与噪声控制:
    • 电源纹波抑制比(PSRR):60dB@1kHz(有效抑制输入电源的高频纹波,提升输出纯净度,适合对电源噪声敏感的电路);
    • 输出噪声:175uVrms(低噪声特性,可用于音频前置放大、高精度压力/温度传感器供电)。
  3. 功耗与效率:
    • 静态电流(Iq):55uA(极低自身功耗,显著延长电池供电设备续航,适配纽扣电池、锂锰电池等低容量电源)。

三、封装与引脚配置

采用SOT-23-5超小型表面贴装封装(尺寸约2.9×1.6×1.0mm),适配高密度PCB设计,典型引脚功能如下(参考官方 datasheet):

  • 引脚1:EN(使能端,高电平有效,可通过MCU或逻辑电路控制输出通断,便于低功耗模式切换);
  • 引脚2:VIN(输入电压端,需并联1μF陶瓷电容提升纹波抑制);
  • 引脚3:GND(接地端,需可靠连接至系统地,避免压降影响输出精度);
  • 引脚4:NC(空脚,无需连接);
  • 引脚5:VOUT(输出电压端,需并联1μF陶瓷电容稳定电压,提升瞬态响应)。

四、可靠性与保护功能

内置多重保护机制,提升系统稳定性:

  1. 过流保护(OCP):输出电流超过350mA(典型值)时自动限流,避免负载短路损坏器件;
  2. 过热保护(OTP):结温(Tj)超过150℃(典型值)时自动关断输出,防止过热烧毁;
  3. 宽温工作范围:结温-40℃~+125℃,适配工业现场(如户外传感器)、汽车发动机舱附近电路等极端温度场景。

五、典型应用场景

  1. 电池供电便携设备:智能手环、蓝牙耳机、便携医疗监护仪(低静态电流+小封装,提升续航与便携性);
  2. 工业传感器模块:温度/压力传感器供电电路(宽温+低噪声,适配工业现场环境);
  3. 汽车电子辅助电路:车载USB接口供电、仪表盘辅助电路(宽温+过流保护,满足汽车级可靠性);
  4. 消费电子外设:无线鼠标、键盘供电模块(固定输出+小封装,简化设计)。

六、选型与使用注意事项

  1. 输入电压限制:不得超过5.5V,避免过压损坏;
  2. 电容配置:VIN与GND、VOUT与GND各并联1μF陶瓷电容,提升纹波抑制与瞬态响应;
  3. 负载电流限制:输出电流≤300mA,避免触发过流保护或影响电压精度;
  4. 焊接工艺:SOT-23-5适合回流焊,峰值温度≤260℃、回流时间≤40秒,避免损坏器件。

该器件凭借紧凑封装、低功耗及宽温特性,成为中小功率电源设计的高性价比选择,可快速集成至各类便携、工业及汽车电子系统中。

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