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ETA ETA8156FT2G
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ETA ETA8156FT2G
- Type
- ETA
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ETA
- Electronic Component
- ETA8156FT2G
- Electronic Component
- 1
- Package
- FCTSOT23-6
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Features
- Output
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0258639973
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~17V
- Switching Frequency
- 550kHz
- 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.
ETA8156FT2G 产品概述
一、产品简介
ETA8156FT2G 是钰泰（ETA）推出的一款高集成度降压型开关稳压器，单路输出、可调电压，内置功率开关并采用同步整流拓扑，工作频率约为550kHz。器件适用于4.5V至17V宽输入范围，能够提供最高6A的输出电流，静态电流仅约230μA，工作温度范围为-40℃至+85℃，封装为FCTSOT23-6，适合紧凑型电源解决方案。
二、主要规格要点
- 输出类型：可调（通过外部反馈电阻设置输出电压）
- 拓扑结构：降压（Buck），同步整流，内置开关管
- 输入电压范围：4.5V ~ 17V
- 输出电流：最高6A（持续）
- 开关频率：约550kHz
- 静态电流（Iq）：约230μA（轻载有利于待机节能）
- 工作温度：-40℃ ~ +85℃
- 封装：FCTSOT23-6，单通道设计
三、典型功能与优势
- 同步整流提高效率，特别是在中高负载下可显著降低热损耗与外部肖特基需求。
- 550kHz 中高速开关频率在尺寸与效率之间取得平衡，允许较小的磁性元件和输出电容，适合体积受限的应用。
- 内置开关管简化外围设计与BOM，便于快速实现稳压电源模块化。
- 低静态电流特性有利于低功耗系统的待机节能表现。
四、设计与选型建议
- 电感：选择标称电流大于运行电流且饱和电流有一定裕量的电感，常见取值范围通常在数百nH至数μH以兼顾纹波电流和体积。
- 输出电容：建议采用低ESR陶瓷电容以降低输出纹波并保证环路稳定性；视输出电压/电流及负载瞬态需求增加电容容量。
- 反馈网络：通过外部电阻分压设置所需输出电压，反馈电阻阻值建议在10kΩ到100kΩ范围内，并参考厂商资料中的参考电压与补偿方案。
- 输入滤波：在VIN与器件地之间放置低ESR输入电容，靠近器件布局以抑制输入回路噪声。
五、PCB 布局与热管理要点
- 将输入电容、器件VIN脚与开关节点（SW）布置尽量靠近，缩短大电流回路的走线长度与面积。
- 输出回路（电感、输出电容）应与SW节点紧密耦合，减少寄生电感与噪声。
- 散热依赖PCB铜箔面积及过孔，FCTSOT23-6 封装热阻较大，高电流下需在底层或周围扩展散热铜皮并用多颗过孔导热。
- 地线建议采用单点或分区接地，敏感信号地与功率地合理隔离并在电源入口处汇流。
六、典型应用场景
- 工业控制与仪器的点供电或负载供电
- 通信设备、网关与单板电源模块
- 嵌入式系统、消费类产品及车载非关键电源（注意车规级要求）
- 需要6A级输出且空间受限的中功率降压场景
七、结语
ETA8156FT2G 以高集成度、同步整流和低静态功耗为主要卖点，适合追求体积小、效率高且输出电流达6A的中功率降压设计。最终选型与电路实现请结合实际负载、热预算与厂商完整的技术手册（Datasheet）进行详细验证与电路仿真。若需进一步的电感、电容选型示例或参考电路图，可提供系统参数以便给出更具体建议。
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