Texas Instruments TPS56325x同步降压转换器

Release time:2023-07-12
author:AMEYA360
source:网络
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  Texas Instruments TPS56325x同步降压转换器是简单、易用、高效率、高功率密度的同步降压转换器。每个都具有3V至17V的输入电压,并在0.6V至10V的输出电压下支持高达3A的连续电流。TPS56325x采用D-CAP3控制模式,提供快速瞬态响应,并支持低ESR输出电容器,无需进行外部补偿。该器件能够支持在高达95%的占空比下运行。集成自举电容器有助于实现单层PCB,并可以节省物料清单总成本。TPS563252在Eco模式下运行,可在轻负载时保持高效率。TPS563257在FCCM模式下运行,可在所有负载条件下保持相同的频率和较低的输出纹波。该器件通过OVP、OCP、UVLO、OTP和UVP(断续模式)提供全面保护。Texas Instruments TPS56325x采用1.6mm × 1.6mm SOT-563封装。额定结温范围为–40°C至125°C。

Texas Instruments TPS56325x同步降压转换器

  特性

  配置用于各种应用

  *输入电压范围:3V至17V

  *输出电压范围:0.6V至10V

  *参考电压:0.6V

  *参考精度:±1%(25°C时)

  *参考精度:±1.5%(–40°C至125°C时)

  *集成55.0mΩ和24.3mΩ MOSFET

  低静态电流:100µA

  *开关频率:1.2MHz

  *以最大95%的高占空比运行

  *精密EN阈值电压

  *固定软启动时间:1.6ms(典型值)

   解决方案易于使用且尺寸小巧

  *轻负载下,TPS563252采用Eco-mode模式,TPS563257采用FCCM模式

  *D-CAP3™控制模式

  *通过集成自举电容器轻松布局

  *支持带预偏置输出的启动

  *开漏电源正常状态指示器

  *非锁存OV、OT和UVLO保护。

  *断续模式,提供UV保护

  *逐周期OC和NOC保护

  *1.6mm × 1.6mm SOT-563封装

  应用

  WLAN/Wi-Fi接入点、开关和路由器

  专业音频、监控和无人机

  电视、STB和DVR、智能扬声器

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