Cost-effective, Low Voltage Single P-MOSFET Load Switch Ideal for Both 3V and 5V Systems
Tech Public's TP2500 is a cost-effective, low voltage, single P-MOSFET load switch, 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 RDS(ON), 80mΩ, meets USB voltage drop requirements. The TP2500 is also protected from thermal overload, which limits power dissipation and junction temperatures. The current limit threshold is programmed with a resistor from SET to the ground. The quiescent supply current is typically 15uA at the switch-on state. At switch-off state, the supply current decreases to less than 1uA. The TP2500 is available in the SOT23-5 package.
Features
●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
Application
●USB Bus/Self Powered Hubs
●USB Peripherals
●Notebook Computers
●Battery-Charger Circuits
●Personal Communication Devices
Typical Application Circuit
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