USB限流开关,通过软启动电路能有效的减小热插拔过程中产生的巨大尖峰电流.并针对USB系统工作时可能出现的意外情况,通过限流开关内部电路实现过流检测、过流保护、欠压锁定和过热保护功能.
PL2700 USB限流开关IC,

特点:
? Compliant to USBSpecifications
? Integrated 80mΩ Power MOSFET
? Low Supply Current15μA Typical at Switch On State1μA Typical at Switch Off State
? Wide InputVoltage Range:2.4V to 5.5V
? Fast Transient Response:<2μs
? Reverse Current Flow Blocking
? ThermalShutdownProtection
? Hot Plug-In Application (Soft-Start)
? Available in a 5-Pin SOT23-5Package

