
Fairchild Semiconductor
General Description
The FPF2174 is a load switch which combines the functionality of the IntelliMAXTM series load switch with a very low forward voltage drop Schottky barrier rectifier and a zener clamp at the output. The integrated solution provides full protection to systems and loads which may encounter large current conditions in a very compact MLP 3x3 package. This device contain a 0.125Ω current-limited P-channel MOSFET which can operate over an input voltage range of 1.8-5.5V.
FEATUREs
■ 1.8 to 5.5V Input Voltage Range
■ Controlled Turn-On
■ 200mA Current Limit Option
■ Undervoltage Lockout
■ Thermal Shutdown
■ <1µA Shutdown Current
■ Fast Current limit Response Time
■ 3µs to Moderate Over Currents
■ 20ns to Hard Shorts
■ Integrated very low VF Schottky Diode for Reverse Current Blocking
■ Integrated Zener Diode for Output Clamp
APPLICATIONs
■ PDAs
■ Cell Phones
■ GPS Devices
■ MP3 Players
■ Digital Cameras
■ Peripheral Ports
■ Hot Swap Supplies