WMSIC Electronic Components

MICROCHIP MIC39100-5.0WS-TR MIC39100

ModelMIC39100-5.0WS-TR
PackageSOT-223
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
MICROCHIP MIC39100-5.0WS-TR
Type
MICROCHIP
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
550mV@(1A)
Electronic Component
MICROCHIP
Electronic Component
MIC39100-5.0WS-TR
Electronic Component
1
Package
SOT-223
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.198g
Electronic Component
1
Features
Voltage; Current
Electronic Component
BM0227276441
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
16V
Output
Electronic Component
Output Voltage
5V

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

MIC39100-5.0WS-TR 产品概述

一、产品简介

MIC39100-5.0WS-TR 为 MICROCHIP(美国微芯)推出的一款固定输出线性稳压器(LDO),输出电压为 5.0V,最大输出电流 1A,适用于对噪声和纹波敏感、需要低输出压差的电源为主的应用。器件为固定型、单通道正极输出,封装为常见的 SOT-223,便于传统 PCB 实装和散热处理。

二、主要电气性能

  • 输入工作电压(最大): 16V(器件可在此电压下正常工作,须注意功耗)
  • 输出电压: 5.0V(固定)
  • 最大输出电流: 1A
  • 压差(Dropout): 550mV @ 1A(在满载时保持输出调节的最低输入-输出差)
  • 静态电流 (Iq): 20mA(待机/空载条件下的偏置电流,需在低功耗设计中加以考虑)
    这些参数决定了器件在不同输入电压和负载条件下的性能表现,设计时需结合实际工况核算热耗与功率效率。

三、保护特性与温度范围

MIC39100 集成多重保护功能,包括过流保护(OCP)、反接保护以及过热保护(热关断)。工作结温范围为 -40℃ 至 +125℃(Tj),适合工业级温度环境。保护功能提高了系统可靠性,但在遭遇热关断或持续过流时应检查PCB散热与输入条件以避免频繁触发。

四、热管理与PCB布局建议

线性稳压器的功耗由 (Vin − Vout) × Iout 决定。举例:若 Vin=16V,Vout=5V,Iout=1A,则最大耗散约为 11W,这超出 SOT-223 自身散热能力,必须通过减小输入电压、采用外部散热(如加大铜箔面积、加散热片)、或使用前置开关降压器减小功耗。布局上应将输入/输出电容尽量靠近器件引脚放置,使用足够的输入去耦和低 ESR 输出电容以保证稳压器稳定工作与瞬态响应;同时为热流散布预留大面积铜箔并多加过孔。

五、典型应用与设计注意

适用于工业电源模块、嵌入式控制器、接口电源和高噪声敏感的模拟电路供电场合。设计时注意:静态电流 20mA 对电池供电不友好,若为电池系统应评估待机损耗;输入过高时要评估热耗并考虑替代方案(如先用降压开关稳压器);同时验证所用外部电容类型与容量满足稳态与瞬态稳定性要求。SOT-223 封装便于通过 PCB 铜箔提高散热,但仍需根据实际功耗做好热设计。

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