DESCRIPTION

· The AAT4280 SmartSwitch is a P-channel MOSFET power switch for high-side load switching applications.

· It features a typical R DS(ON) of 80mΩ, enhancing power handling capacity.

· Available in three versions with varying turn on and off characteristics: standard, fast, and shutdown load discharge.

· Operates with an input voltage range from 1.8V to 5.5V, suitable for 3V and 5V systems.

· Includes under-voltage lockout and is compatible with TTL and 2.5V to 5V CMOS logic levels.

· Low quiescent supply current of 2.5µA, reducing to less than 1µA in shutdown mode.

· Offered in Pb-free, 6-pin SOT23 or 8-pin SC70JW packages, operating from -40°C to +85°C.

FEATURES

· Input Voltage Range: 1.8V to 5.5V.

· Low R DS(ON): Typically 80mΩ at 5V.

· Slew Rate Limited Turn-On Time Options: 1ms, 0.5µs, 100µs.

· Fast Shutdown Load Discharge Option.

· Low Quiescent Current: 2.5µA typical, 1µA max in shutdown.

· TTL/CMOS Input Logic Level Compatibility.

· Temperature Range: -40°C to +85°C.

· ESD Rating: 4kV.

· Package Options: 6-Pin SOT23 or 8-Pin SC70JW.

APPLICATIONS

· Cellular Telephones.

· Digital Still Cameras.

· Hot Swap Supplies.

· Notebook Computers.

· Personal Communication Devices.

· Personal Digital Assistants (PDA).