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Fairchild Semiconductor
Fairchild Semiconductor


FPF2148

Full Function Load Switch

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FPF2148 Full Function Load Switch

FPF2148 Full Function Load Switch
Features
„ 1.8 to 5.5V Input Voltage Range „ Controlled Turn-On „ 200mA Current Limit Options „ Undervoltage Lockout „ Thermal Shutdown „ <2µA Shutdown Current „ Fast Current limit Response Time
„ 5µs to Moderate Over Currents „ 30ns to Hard Shorts „ Fault Blanking „ Power Good Function „ RoHS Compliant
Applications
„ PDAs „ Cell Phones „ GPS Devices „ MP3 Players „ Digital Cameras „ Peripheral Ports „ Hot Swap Supplies

November 2008
tm
General Description
The FPF2148 is a load switch which provides full protection to systems and loads which may encounter large current conditions. These devices contain a 0.12Ω current-limited P-channel MOSFET which can operate over an input voltage range of 1.8-5.5V. Switch control is by a logic input (ONB) capable of interfacing directly with low voltage control signals. The part contains thermal shutdown protection which shuts off the switch to prevent damage


























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