WMSIC Electronic Components

TMI TMI6050-33 TMI6050

ModelTMI6050-33
PackageSOT-23-5
BrandTMI
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
TMI TMI6050-33
Type
TMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
600mV@(600mA)
Electronic Component
TMI
Electronic Component
TMI6050-33
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.049g
Electronic Component
1
Features
Output
Electronic Component
BM0227125577
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
5.5V
Output
Electronic Component
Output Voltage
3.3V
Output Current
600mA

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

TMI6050-33 产品概述

一、产品简介

TMI6050-33 是拓尔微(TMI)推出的一款固定输出、正极性线性稳压器,输出电压为 3.3V,单通道设计,封装为 SOT-23-5。器件集成了短路保护、过流保护、过热保护及使能(EN)功能,适用于对可靠性和体积有要求的便携与嵌入式电源系统。

二、主要特性

  • 固定输出:3.3V 正极性输出。
  • 最大输出电流:600mA,适合驱动 MCU、传感器、射频前端等常见负载。
  • 低静态电流:Iq = 75µA,有利于电池供电系统降低待机耗电。
  • 压差(Dropout):约 600mV @ 600mA,负载较大时需预留输入裕量。
  • 优良纹波抑制:PSRR ≈ 60dB @ 1kHz,可抑制输入电源纹波干扰。
  • 保护功能:短路保护、过流限流及过热关断,提高系统安全性。
  • 使能功能:EN 引脚支持外部控制电源开关和电源序列。
  • 工作结温范围:-40°C ~ +125°C (Tj)。
  • 封装:SOT-23-5,利于小型化 PCB 设计。

三、电气性能概览

TMI6050-33 在典型工作点具备稳定的 3.3V 输出,静态电流仅 75µA,满足低功耗待机需求。600mA 的输出能力配合 600mV 的压差表明在满载时输入电压至少需高于约 3.9V(建议 VIN ≥ VOUT + 0.6V 以上以保证裕量)。PSRR 60dB@1kHz 对噪声敏感的模拟或射频电路尤为有利。

四、封装与热管理

SOT-23-5 小封装便于空间受限的应用,但热阻相对较大。大电流工作时需在 PCB 上通过铜箔铺铜和散热过孔来提升散热能力,避免因结温上升触发热关断。合理的走线和地铜平面可显著改善功率耗散。

五、应用建议

适合的应用场景包括:

  • 便携式设备与电池供电终端(资料采集器、手持设备、智能传感器网关)。
  • 嵌入式系统的 3.3V 供电(MCU、FPGA 辅助电路、外设接口)。
  • 对噪声敏感的模拟前端或射频电路的本地 LDO 供电。
  • 需要硬件使能或电源管理序列的系统。

六、典型应用与注意事项

  • 输入/输出滤波:建议在 VIN 近端放置 1µF10µF 低 ESR 陶瓷电容,输出端使用 4.7µF10µF 陶瓷电容以保证稳定性并提升瞬态响应。电容应靠近器件引脚布局。
  • 使能控制:EN 高电平使能输出,低电平关闭,可用于功耗管理与上电序列。
  • 保护与可靠性:即使有短路和过热保护,也需在 PCB 设计中避免长期过载工作以延长可靠性。
  • 热设计:高负载或持续 600mA 输出时应评估 PCB 散热能力,必要时增加铜厚或散热通孔。

七、选型与采购提示

型号:TMI6050-33,品牌:拓尔微(TMI),封装:SOT-23-5。选型时确认系统最大输入电压、最小输入裕量以及持续输出电流需求,评估 PCB 热管理能力,并参考厂方完整 datasheet 以获取引脚定义、典型应用电路和详细电气特性曲线。

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