WMSIC Electronic Components

ETA ETA8110S2G

ModelETA8110S2G
PackageSOT-23-6
BrandETA
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ETA ETA8110S2G
Type
ETA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ETA
Electronic Component
ETA8110S2G
Electronic Component
1
Package
SOT-23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.04g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0233668966
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
3.5V~18V
Switching Frequency
1MHz
Electronic Component
Electronic Component
Output Current
2A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ETA8110S2G 产品概述

一、产品概述

ETA8110S2G 是钰泰(ETA)系列的一款降压型(Buck)开关稳压器,采用 SOT-23-6 小封装,集成功率开关管,支持同步整流,能在较宽的输入电压范围内为系统提供高效率、可调输出的稳压电源。其工作电压范围为 3.5V 至 18V,开关频率为 1MHz,额定输出电流可达 2A,适合空间受限且对效率和成本敏感的便携与消费类电子场景。

二、主要规格

  • 功能类型:降压型(同步整流)
  • 输入电压:3.5V ~ 18V
  • 输出电流:最大 2A
  • 开关频率:1MHz(固定)
  • 工作温度:-40℃ ~ +85℃(TA)
  • 输出通道:单通道,可调输出
  • 开关管:内置(高、低侧 MOSFET)
  • 封装:SOT-23-6

三、关键特性与优势

  • 高集成度:内置开关管减少外部元件数量,有利于简化电源设计与缩小 PCB 面积。
  • 同步整流:相较于肖特基二极管整流,能显著提高轻载至中载效率,降低功耗和发热。
  • 高频工作(1MHz):允许使用更小的电感与电容,使整体方案体积更小,适合空间受限设计。
  • 宽输入电压范围:从 3.5V 起即可工作,覆盖常见锂电池与 12V 总线应用。
  • 可调输出:通过外部反馈电阻即可设定所需输出电压,灵活适配不同电压轨需求。

四、典型应用

  • 便携式设备与移动终端的次级电源
  • 工业与仪器设备的本地电源模块(需在额定温度范围内评估)
  • IoT 节点、传感器供电、智能家居控制板
  • 汽车电子外围(符合系统输入电压并符合汽车级要求时)

五、外部元件选型与 PCB 布局建议

  • 电感:选择额定电流高于 2A 的片式电感,值按输出电压与纹波要求计算,1MHz 开关频率可选较小电感值以减小体积。
  • 输入/输出电容:推荐采用低 ESR 的多层陶瓷电容以降低纹波并改善瞬态响应;在靠近芯片 VIN 与 GND 区域布置旁路电容。
  • 反馈与调整:通过高精度电阻分压设定输出电压,注意减少噪声耦合到 FB 引脚以保证输出稳定。
  • 热管理:SOT-23-6 封装散热有限,注意铺铜散热并尽量缩短高电流回路(VIN、SW、GND)的走线,避免热聚集。
  • 自举电容/控制引脚:若芯片含有 BST 或 EN/SS 等引脚,请根据手册正确接入自举电容、使能逻辑与软启动电路以优化启动与稳定性。

六、封装与引脚(常见功能示意)

ETA8110S2G 采用 SOT-23-6 小封装,常见功能引脚包括 VIN、GND、SW(开关节点)、FB(反馈)、EN(使能)及 BST(自举)等。具体引脚排列、绝对最大额定值、启动特性与保护机制(如过流/过温/短路保护)请以厂商官方数据手册为准。

总结:ETA8110S2G 以其 1MHz 高频、同步整流与小封装设计,为需在有限空间内实现 2A 等级稳压的应用提供了一种体积小、效率高的解决方案。设计时建议参考其数据手册完成外部元件选型与 PCB 布局以确保性能与可靠性。

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