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ETA ETA1471FT2G
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ETA ETA1471FT2G
- Type
- ETA
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ETA
- Electronic Component
- ETA1471FT2G
- Electronic Component
- 1
- Package
- FCTSOT-23-6
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.053g
- Electronic Component
- 1
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0226168247
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 4.2V~18V
- Switching Frequency
- 500kHz
- Electronic Component
- Electronic Component
- Output Current
- 3A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ETA1471FT2G 产品概述
一、概述
ETA1471FT2G（钰泰 ETA）是一款高集成度同步整流降压型开关稳压器，采用降压拓扑并内置开关管，支持可调输出。器件在-40℃+85℃工作温度范围内稳定工作，输入电压范围4.2V18V，开关频率典型值500kHz，单通道输出，最大输出电流可达3A，封装为空间小巧的FCTSOT-23-6，适合对体积与效率有较高要求的应用场合。
二、主要规格
- 输出类型：可调（外部分压反馈设定输出电压）
- 输入电压：4.2V ~ 18V
- 输出电流：最大3A
- 拓扑结构：降压（同步整流）
- 开关频率：约500kHz
- 工作温度：-40℃ ~ +85℃（TA）
- 封装：FCTSOT-23-6
- 开关管：内置
三、器件特性与优势
- 同步整流设计提高转换效率，尤其在中高电流条件下优势明显，有利于延长电池续航或降低系统发热；
- 内置开关元件减少外部器件数量与布局复杂度，便于实现紧凑电源模块；
- 500kHz的开关频率在效率和外部元件尺寸之间取得平衡，允许使用较小尺寸的电感与滤波电容；
- 可调输出满足多种供电点需求，适配不同逻辑与模拟负载。
四、典型应用
适用于便携式设备、通信与网络设备、工业控制模块、消费电子及车载非关键电源等需3A级降压稳压的场合。
五、设计与布局建议
- 输入侧使用低ESR电容滤波，靠近芯片输入脚布局以抑制瞬态电压；
- 输出电感选取饱和电流高于最大负载、低DCR的型号，依据纹波电流和占空比确定电感值；
- 反馈电阻网络靠近FB引脚布置，避免噪声耦合；
- 开关节点与散热片/大铜面积相结合，通过多层板和过孔实现热流散。
六、热与可靠性注意事项
在3A输出工况下，应关注芯片功耗与PCB散热，建议扩大铜皮并增加热过孔。如需在高温或靠近温度极限工作，进行实际系统级热测和长期可靠性验证。
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