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ETA ETA3406S2F
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ETA ETA3406S2F
- Type
- ETA
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ETA
- Electronic Component
- ETA3406S2F
- Electronic Component
- 1
- Package
- SOT23-5
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.054g
- Electronic Component
- 1
- Features
- EMI Optimization
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0226462298
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.6V~5.5V
- Switching Frequency
- 1.5MHz
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ETA3406S2F 产品概述
一、简介
ETA3406S2F 是钰泰（ETA）推出的一款高效率、小体积的同步整流降压型开关稳压器。器件集成高侧/低侧开关管，采用降压拓扑，工作电压范围宽（2.6V～5.5V），支持可调输出，适合对尺寸、效率和静态功耗有严格要求的便携与嵌入式系统。
二、主要性能特点
- 输出类型：可调，输出电压范围 0.6V～5.5V，便于满足多种芯片供电需求。
- 输入电压：2.6V～5.5V，兼容单节锂电与常见系统电压。
- 输出电流：最高 1.2A，适用于中等负载场景。
- 同步整流：内置，同步整流降低导通损耗、提高轻负载和中等负载效率。
- 开关频率：1.5MHz，高频可缩小外部电感和电容体积，有利于 PCB 面积优化。
- 静态电流：Iq = 38μA，适合注重待机功耗的终端设备。
- 工作温度：-40℃～+85℃，可满足工业级温度要求。
- 封装：SOT23-5，外形小巧，便于手工或自动贴装加工。
三、典型应用场景
- 移动设备与便携终端：单电池供电的便携设备、蓝牙耳机、手持设备电源管理。
- 可穿戴与物联网终端：对待机功耗敏感且空间受限的智能传感器、节点。
- 工控与消费类电子：显示驱动、电源前端为 MCU、传感器、存储器等提供稳压电源。
四、封装与设计注意事项
- 推荐外部元件按典型应用电路选择：低 DCR 高频电感与低 ESR 输出电容，可提升瞬态与效率。
- 高频率（1.5MHz）使得布局对 EMI 更敏感，注意开关节点短平行布线，地线回流路径优化。
- SOT23-5 封装热阻较大，高负载长时间工作注意热管理与板上散热布局。
五、产品优势与选型建议
ETA3406S2F 综合了低静态电流、高开关频率与同步整流优势，适合追求小尺寸、低待机功耗且需中等输出电流的应用。选型时若负载峰值或持续电流接近 1.2A，应评估降额与散热；若需更高效率或更大电流，可考虑封装与拓扑不同的替代方案。总体而言，该器件在尺寸受限且需长续航的场景中具有良好性价比。
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