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ETA ETA1654FSG
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ETA ETA1654FSG
- Type
- ETA
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ETA
- Electronic Component
- ETA1654FSG
- Electronic Component
- 1
- Package
- FCSOT563
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.028g
- Electronic Component
- 1
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0226547710
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 4.5V~18V
- Switching Frequency
- 600kHz
- Electronic Component
- Electronic Component
- Output Current
- 4A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ETA1654FSG 产品概述
ETA1654FSG 是钰泰（ETA）面向中小功率降压应用推出的一款高集成度同步降压型开关稳压器。器件采用降压拓扑、内置开关管和同步整流结构，工作电压范围宽、静态电流低、开关频率固定，适合对效率、体积和静态功耗有较高要求的便携与工业类电子设备。
一、主要参数与功能亮点
- 输出类型：可调输出，输出电压可通过外部电阻分压设定
- 工作电压：4.5V ～ 18V（输入范围宽，兼容多种电源）
- 输出电流：最大 4A，适合中功率负载
- 同步整流：是，降低整流损耗，提高轻载和中载效率
- 拓扑结构：降压（Buck）
- 开关管：内置，简化外围设计与热管理
- 静态电流（Iq）：230µA，适合电池供电或待机功耗敏感场景
- 开关频率：600kHz，平衡器件尺寸与效率
- 输出通道：单路
- 工作温度：-40℃ ～ +85℃（TA）
- 封装：FCSOT563，适合高密度贴装
二、核心优势解析
- 高集成度：内置功率开关和同步整流，减少外部器件数量与PCB占用面积。
- 低静态电流：230µA 待机损耗低，延长电池寿命。
- 宽输入电压与较高输出电流能力，使器件在车载、工业和便携电源领域具备良好适应性。
- 600kHz 开关频率有助于缩小电感与滤波电容器件尺寸，利于小型化设计。
三、封装与热设计要点
- FCSOT563 小尺寸封装在空间受限应用中优势明显，但对散热与布局更为敏感。
- 建议在芯片下方或周围配置较大铜箔、必要时开设过孔连接多层地铜层以增强散热。
- 输入输出旁近距离放置去耦电容和续流二极管（如外置）、缩短关键信号回路，降低EMI与环路阻抗。
四、典型应用场景
- 移动电源与便携设备供电管理
- 工业控制模块与传感器电源
- 通信设备、路由器与网关的辅助电源
- 汽车电子低压域（符合输入电压范围的系统）
五、设计与调试建议
- 输出电容选择注意ESR，配合器件稳定性要求和负载瞬态响应。
- 电感选择需满足峰值电流与饱和电流要求，优先选用低损耗、适配600kHz的磁芯材料。
- 布局时确保高电流回路短、宽；将反馈分压阻值精确选择以保证输出精度。
- 器件通常集成保护功能（如限流/短路/过温），但具体行为请以官方数据手册为准，调试前务必参考完整规格书。
总结：ETA1654FSG 以其低静态电流、内置同步降压与宽输入电压特性，适合对体积、效率和待机功耗有综合要求的单路降压供电方案。设计时重点关注滤波、磁性元件选型与PCB散热布局，能发挥器件最佳性能。
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