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TMI TMI3410
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TMI TMI3410
- Type
- TMI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TMI
- Electronic Component
- TMI3410
- Electronic Component
- 1
- Package
- SOT-23-5
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.049g
- Electronic Component
- 1
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0227125365
- Operating Temperature
- 40℃~+125℃@(TJ)
- Operating Voltage
- 2.5V~5.5V
- Switching Frequency
- 1MHz
- Electronic Component
- Electronic Component
- Output Voltage
- 600mV~5.5V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TMI3410 产品概述
一、概述
TMI3410 是拓尔微（TMI）推出的一款高集成、低静态电流的同步整流降压型开关稳压器。器件采用降压拓扑、内置功率开关，工作电压范围宽（2.5V 至 5.5V），输出可调（0.6V 至 5.5V），最大输出电流可达 2A，开关频率为 1MHz，静态电流仅 40µA，工作结温范围 -40℃ 到 +125℃，封装为 SOT-23-5，适合对尺寸、效率和待机功耗有严格要求的便携与嵌入式应用。
二、主要特性
- 输入电压：2.5V ~ 5.5V
- 输出电压：可调 0.6V ~ 5.5V
- 最大输出电流：2A
- 开关方式：同步整流、降压（Buck）
- 开关频率：1MHz（高频，有利于减小外部元件体积）
- 静态电流（Iq）：40µA（低静态电流，适合电池供电系统）
- 工作温度：-40℃ ~ +125℃（TJ）
- 封装：SOT-23-5（小尺寸、易于装配）
三、典型应用场景
- 便携式设备主电源或分轨电源（智能手表、蓝牙耳机等）
- 电池供电的物联网节点与传感器模块
- 单片机或外设供电（MCU、无线模块）
- 小功率点灯或背光驱动等需要稳定低压源的场合
四、封装与引脚（典型）
SOT-23-5 小尺寸封装，常见的引脚功能包括 VIN、EN（使能）、SW（开关节点）、FB（反馈，参考电压 0.6V）和 GND。为确保可靠设计，请以器件数据手册为准。
五、设计与应用建议
- 输入电容：建议使用低 ESR 陶瓷电容（例如 10µF～22µF，X5R/X7R），靠近 VIN 与 GND 布局。
- 输出电容：推荐 10µF～47µF 低 ESR 陶瓷电容以保证稳定性与低输出纹波。
- 电感选择：由于 1MHz 高频工作，选择小体积的低 DCR、足够电流额定值（≥2A）的功率电感，典型值在 1µH～4.7µH 范围内，依占空比与纹波要求调整。
- 布局要点：将 FB、GND、输入/输出电容和电感尽量靠近芯片引脚，缩短高电流回路；将敏感的反馈回路远离开关噪声源。
- 热管理：在满载或高温下注意功耗和热耗散，必要时扩展 PCB 散热铜箔。
六、优势与注意事项
TMI3410 在同类产品中兼具低静态电流与较高效率的平衡，1MHz 高频使得外部滤波器体积更小，适合空间受限的应用。设计时应参考数据手册确定外部元件值与保护特性（如使能、软启动、短路保护等），并进行热仿真与布局验证以确保长期可靠性。
如需具体电路参考、布局示意或元件选型建议，可提供目标输入/输出电压和负载条件，我可以给出详细的参考设计。
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