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AAT4608 Datasheet(PDF) 1 Page - Advanced Analog Technology, Inc. |
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AAT4608 Datasheet(HTML) 1 Page - Advanced Analog Technology, Inc. |
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1 / 8 page  SmartSwitch™ AAT4608 Current Limited Load Switch in SOT23 Package 4608.2006.03.1.3 1 General Description The AAT4608 SmartSwitch is a member of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family. It is a cur- rent limited P-channel MOSFET power switch designed for high-side load switching applica- tions. This switch operates with inputs ranging from 2.7V to 5.5V, making it ideal for both 3V and 5V systems. An integrated current-limiting circuit protects the input supply against large currents which may cause the supply to fall out of regula- tion. The AAT4608 is also protected from thermal overload which limits power dissipation and junc- tion temperatures. It can be used to control loads that require up to 1A. Current limit threshold is programmed with a resistor from SET to ground. The quiescent supply current is typically a low 15µA max. The AAT4608 is available in a Pb-free, 5-pin SOT23 package, and is specified over the -40°C to +85°C temperature range. Features • 2.7V to 5.5V Input Voltage Range • Programmable Over-Current Threshold • Fast Transient Response: — <1µs Response to Short Circuit • Low Quiescent Current — 15µA Typical — 1µA Max With Switch Off • 160m Ω Typical R DS(ON) • Under-Voltage Lockout • Thermal Shutdown • Temperature Range: -40°C to +85°C • 4kV ESD Rating • 5-Pin SOT23 Package Applications • Hot Swap Supplies • Notebook Computers • Peripheral Ports • Personal Communication Devices Typical Application AAT4608 5 2 3 1 IN SET INPUT GND GND GND OUT SOT23 OUTPUT 0.47 µF RSET 1 µF |
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