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AAT4601 Datasheet(PDF) 1 Page - Advanced Analogic Technologies |
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AAT4601 Datasheet(HTML) 1 Page - Advanced Analogic Technologies |
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1 / 14 page  SmartSwitch™ General Description The AAT4601 SmartSwitch™ is part of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family. It is a 1.5A Current Limited P-channel MOSFET power switch designed for high-side load-switching applications. This switch operates with inputs ranging from 2.7V to 5.5V, making it ideal for both 3V and 5V sys- tems. An integrated current-limiting circuit protects the input supply against large changes in load cur- rent which could cause the supply to fall out of reg- ulation. The AAT4601 has protection from thermal overload which limits power dissipation and junc- tion temperatures. The maximum current limit level is 1.5A; the actual threshold is programmed with a resistor from the SET pin to ground. The qui- escent supply current is typically 12µA. In shut- down mode, the supply current decreases to less than 1µA. The AAT4601 is available in 8-pin SOP or TSSOP specified over -40 to 85°C. Features • 2.7V to 5.5V Input voltage range • Programmable over current threshold • Low quiescent current • 12µA typical • Less than 1µA with Switch off • Only 2.5V needed for ON Control • Thermal Shutdown • Fault Flag • 2ms Fault Blanking • Undervoltage Lockout • Temperature range -40 to 85°C • 2kV ESD rating • UL Approved—File No. E217765 • 8-pin SOP or TSSOP package Applications • USB ports • Notebook computers • Peripheral ports • Hot swap supplies UL Recognized Component AAT4601 1.5A Current Limited P-Channel Switch Typical Application AAT4601 ON IN OUT SET GND ON 1 µF 100k Ω R SET 1uF INPUT OUTPUT IN OUT FAULT 1 2 8 3 6 7 5 4 4601.2001.11.0.92 1 |
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