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Description:Current Limited Load Switch
Manufacturer:Advanced Analogic Technologies
Datasheet:PDF (251K).
Click here to download *)

The AAT4618 SmartSwitch is a member of AnalogicTech's Application Specific Power MOSFETTM (ASPMTM) product family. It is a current limited P-channel MOSFET power switch designed for high-side load switching applications operating with inputs ranging from 2.4V to 5.5V, making it ideal for 2.5V, 3V, and 5V systems. An integrated currentlimiting circuit protects the input supply from large currents which may cause the supply to fall out of regulation. In addition, the AAT4618 thermal overload protection limits power dissipation and junction temperatures associated with prolonged periods of operation in current limit. Due to its low RDS(ON), the AAT4618 can be used to control loads that require up to factory preset 400mA, 500mA, or 1A. The ultra-fast current limit response to a sudden short circuit is a mere 400ns which reduces the requirements of local supply bypassing. An open drain FAULT flag signals an over-current or over-temperature condition after a 4ms timeout. Quiescent current is a low 10A and the supply current decreases to less than 1A in shutdown mode.

Click here to download AAT4618IJS-1.0-T1 Datasheet
Click here to download AAT4618IJS-1.0-T1 Datasheet
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