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A4492EESTR-T
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A4492EESTR-T

  • Category:Voltage regulator
  • Product Name:Triple output step-down switching regulator
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:20-lead QFN
  • Stock Status:There is stock
  • Stock Quantity:9020
  • Minimum order quantity: 1
  • Details:点击查找A4492EESTR-T的pdf资料
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  • Product introduction

A4492 可为各种 应用供电，提供三路大电流、高性能、Switching regulators输出，配备独立软启动。

高频开关支持使用低成本电感器及小型陶瓷输出电容器。稳压器的开启周期相互交错，以最大化降低对输入电容器产生的应力，并减少 EMI。电荷泵用于向电源开关供电，确保大运行工作循环下的稳定运行并避免使用电源汲取箝位电路。

当激活稳压器处于要求规格范围时，指示带用户可配置延迟的上电复位标志。当输入电压降至规格以下时，指示上电复位标志， 在开关继续在工作至关断状态时，向系统控制器预先发出警告。

内部诊断提供全面的过载、输入欠压及过温保护。

A4492 采用 20-触点, 4 mm×4 mm, 0.75 mm 标称总高度 QFN 封装, 裸露焊盘以增强散热。该封装为无铅 (Pb) 封装，引脚框采用 100% 雾锡电镀。

 

  • 三个降压转换器
  • 4.5 至 34 伏输入电压范围
  • 550 kHz 固定频率
  • 多相切换
  • 独立控制各个转换器
  • 通电复位标志
  • Internal compensation
  • 4 × 4 mm QFN 封装，小型 PCB
  • RoHS 合规

 

andA4492EESTR-TRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
A4492EESTR-T Allegro 15+ 20-lead QFN Triple output step-down switching regulator

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