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AAT4611 Datasheet(PDF) 1 Page - Advanced Analogic Technologies |
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AAT4611 Datasheet(HTML) 1 Page - Advanced Analogic Technologies |
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1 / 12 page  SmartSwitch™ General Description The AAT4611 SmartSwitch™ is a member of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family. It is a 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, mak- ing it ideal for both 3V and 5V systems. An inte- grated current-limiting circuit protects the input sup- ply against large currents which may cause the sup- ply to fall out of regulation. The AAT4611 is also pro- tected from thermal overload which limits power dis- sipation and junction temperatures. It can be used to control loads that require up to 1 A. Current limit threshold is programmed with a resistor from SET to ground. The quiescent supply current is typically a low 15µA max. In shutdown mode, the supply cur- rent decreases to less than 1µA. The AAT4611 is available in a 5 pin SOT-23 and 8- pin SC70JW specified over -40 to 85°C. The AAT4600 Series is a family of adjustable and fixed SmartSwitch™ with a range of current han- dling capabilities. Available are single versions in adj. current limit (AAT4600, AAT4601) as well as in fixed current limit (AAT4602, AAT4625). Dual ver- sions (AAT4620, AAT4626) are also available. 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) • Only 2.5V needed for ON/OFF Control • Undervoltage Lockout • Thermal shutdown • Temp range -40 to 85°C • 4kV ESD Rating • 5 pin SOT-23 or SC70JW-8 package Applications • Peripheral ports • Notebook computers • Personal communication devices • Hot swap supplies AAT4611 Current Limited Load Switch in SOT-23 Package Typical Application AAT4611 5 4 2 3 1 ON/(ON) IN SET INPUT GND GND GND OUT SOT-23 OUTPUT ON (ON) 0.47 µF RSET 1 µF 4611.2001.8.0.9 1 |
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