CXES4296是一款低成本、低电压、单P-MOSFET负载开关，专为自供电和总线供电的通用串行总线（USB）应用而优化。此开关的输入范围从2.4V到5.5V，非常适合3V和5V系统。开关的低电阻（开），80mΩ，符合USB压降要求。CXES4296还可防止热过载，从而限制功耗和结温。电流限制阈值由一个电阻从设定到接地进行编程。开关状态下的静态电源电流通常为15μa。在关闭状态下，电源电流减小到小于1μA。CXES4296在SOT2 3-5封装中可用。
符合USB规范集成80mΩ功率MOSFET低供电电流
15μA典型的接通状态
1μA典型的开关断开状态
宽输入电压范围：2.4V至5.5V
快速瞬态响应：<2μs
逆流阻断
过温度保护
热插拔应用程序（软启动）
[ CXES4296 ]
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产品概述 返回TOP
optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.
This switch operates with inputs ranging from 2.4V to 5.5V, making it ideal for both
3V and 5V systems. The switch's low R DS(ON),80mΩ ,meets USB voltage drop requirements.
The CXES4296 is also protected from thermal overload which limits power dissipation
and junction temperatures. Current limit threshold is programmed with a resistor
from SET to ground.The quiescent supply current is typically 15μA at switch on state.
At switch off state the supply current decreases to less than 1μA.The CXES4296 is
available in SOT23-5 package.
产品特点 返回TOP
Compliant to USB Specifications
Integrated 80mΩ Power MOSFET
Low Supply Current
15μA Typical at Switch On State
1μA Typical at Switch Off State
Wide Input Voltage Range:2.4V to 5.5V
Fast Transient Response:<2μs
Reverse Current Flow Blocking
Thermal Shutdown Protection
Hot Plug-In Application (Soft-Start)
Available in a 5-Pin SOT23-5 Package
应用范围 返回TOP
USB Bus/Self Powered Hubs
USB Peripherals
Notebook Computers
Battery-Charger Circuits
Personal Communication Devices
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产品封装图 返回TOP
电路原理图 返回TOP
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负载开关Load Switch |
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Part Number |
Function |
Vin |
Iout |
Current Limit |
Reverse Blocking Current |
Rds |
Package |
|
负载开关 |
2.4～5.5 V |
IADJ*2/3 A |
>IADJ A |
YES |
80 mΩ |
SOT23-5 |
|
|
负载开关 |
2.4～5.5 V |
0.6 A |
1 A |
YES |
80 mΩ |
SOT23-5 |
|
|
负载开关 |
2.4～5.5 V |
2 A |
2.5 A |
YES |
80 mΩ |
SOT23-5 |
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