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FPF2193 | Full-Function Load Switch with Adjustable Current Limit | ![]() ON Semiconductor |
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FPF2193 데이타시트 PDF :
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Description
The FPF2193, FPF2194, and FPF2195 form a series of load sw itches that provides full protection to systems and loads that may encounter large current conditions. These devices contain a 55 mΩ current-limited P-channel MOSFET that can operate over an input voltage range of 1.8 to 5.5 V. Internally, current is prevented from flow ing w hen the MOSFET is off and the output voltage is higher than the input voltage. Sw itch control is by a logic input (ON) capable of interfacing directly w ith low -voltage control signals. Each part contains thermal shutdow n protection that shuts off the sw itch to prevent damage to the part w hen a continuous over-current condition causes excessive heating.
Features
■ <1.8 to 5.5 V Input Voltage Range
■ Controlled Turn-On
■ 0.1 to 1.5 A Adjustable Current Limit
■ Under-Voltage Lockout
■ Thermal Shutdow n
■ <2 µA Shutdow n Current
■ Auto Restart
■ Fast Current Limit Response Time
■ 5 µs to Moderate Over Currents
■ 30 ns to Hard Shorts
■ Fault Blanking
■ Reverse Current Blocking
Applications
■ PDAs
■ Cell Phones
■ Handheld GPS Devices
■ Portable Enterprise / Industrial Devices
■ Digital Cameras
■ Peripheral Ports and Accessories
■ Portable Medical Equipment
■ Hot Sw ap Supplies
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