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ETA ETA3413S2F
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ETA ETA3413S2F
- Type
- ETA
- Minimum package
- 3000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ETA
- Electronic Component
- ETA3413S2F
- Electronic Component
- 1
- Package
- SOT-23-5
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.052g
- Electronic Component
- 1
- Features
- Built-in Current Resistor;; EMI Optimization
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0258858417
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 2.6V~5.5V
- Switching Frequency
- 2.4MHz~3.6MHz
- 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.
ETA3413S2F 产品概述
一、产品简介
ETA3413S2F 是钰泰（ETA）推出的一款高频同步整流降压型 DC-DC 转换器，封装为 SOT-23-5，集成高侧与低侧开关，适用于电池供电与低压系统。器件工作电压范围 2.6V～5.5V，输出电压可通过外部分压器调节，覆盖 0.6V～5.5V，最大输出电流 2A，开关频率在 2.4MHz～3.6MHz 区间，工作温度范围 -40℃～+85℃（TA）。
二、主要特性
- 降压拓扑，内置功率MOSFET，同步整流提高转换效率；
- 宽输入电压：2.6V～5.5V，适配单节/多节电池与 5V 总线；
- 可调输出 0.6V（参考电压）～5.5V，支持低电压核心供电；
- 持续输出电流最高 2A，适合中功率负载；
- 高开关频率（2.4MHz～3.6MHz），有利于减小外部被动元件尺寸；
- SOT-23-5 紧凑封装，便于空间受限的终端产品应用。
三、典型应用
- 智能手机配件、便携式多媒体设备；
- 物联网终端、可穿戴设备与低功耗网关；
- 摄像头模组、传感器供电与数字核心电源；
- USB 外设、便携式工业控制与电源管理模块。
四、设计与选型建议
- 输出电压通过外部分压器设定，参考基准为 600mV；
- 典型外部器件示例（非唯一配置）：电感 0.47µH～2.2µH（饱和电流 >2A）、输入电容 4.7µF～22µF（X5R/X7R）、输出电容 10µF～47µF 低 ESR 陶瓷电容；高开关频率允许选用小体积电感与陶瓷电容以缩小 PCB 面积；
- 当要求最高效率时优先选择低 DCR、大电流余量的电感；在高边沿或高输入电压工况注意电感饱和及温升。
五、布局与散热要点
- 将输入电容紧贴 VIN 与 GND 引脚布置，最小化高频环路面积；
- SW 节点走线短且远离敏感模拟信号；
- SOT-23-5 封装需通过大铜箔面积散热，建议在器件下方和周围布置充足铜箔并与地平面相连以增强散热；
- 对于 2A 工作电流，应评估 PCB 温升并预留散热裕度。
六、保护与可靠性
ETA3413S2F 通常集成过流与热关断等保护机制以增强系统可靠性（设计选择与具体保护阈值请参考器件数据手册）。在系统设计中应考虑软启动、启动时序与故障恢复策略以避免电源振荡或反复重启。
七、使用注意事项
- 请以官方数据手册为准进行器件脚位、参数与典型应用电路设计；
- 在高速开关和高电流条件下，务必做好布局、电磁兼容（EMC）与滤波设计；
- 调试阶段测量输出纹波、效率与热性能，必要时调整电感与滤波电容规格以兼顾稳定性与尺寸。
总结：ETA3413S2F 在体积、开关频率与集成度之间取得平衡，适合对体积和成本敏感且需要 2A 级输出的便携式与嵌入式应用。选择与实际工作工况相匹配的外部电感与电容，配合良好的 PCB 布局与散热设计，可实现稳定高效的电源输出。
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