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AAT - Current Limited Load Switch

Numéro de référence AAT4610A
Description Current Limited Load Switch
Fabricant AAT 
Logo AAT 





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AAT4610A fiche technique
AAT4610A
Current Limited Load Switch
General Description
Features
SmartSwitch
The AAT4610A SmartSwitch is a current limited P-
channel MOSFET power switch designed for high-
side load switching applications. This switch oper-
ates with inputs ranging from 2.4V 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 regulation. The AAT4610A 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 1A. Current limit
threshold is programmed with a resistor from SET to
ground. The quiescent supply current is typically a
low 9µA. In shutdown mode, the supply current
decreases to less than 1µA.
The AAT4610A is available in a Pb-free 5-pin
SOT23 or 8-pin SC70JW package and is specified
over the -40°C to +85°C temperature range.
• Input Voltage Range: 2.4V to 5.5V
• Programmable Over-Current Threshold
• Fast Transient Response:
— 400ns Response to Short Circuit
• Low Quiescent Current
— 9µA Typical
— 1µA Max with Switch Off
• 145mΩ Typical RDS(ON)
• Only 2.5V Needed for ON/OFF Control
• Under-Voltage Lockout
• Thermal Shutdown
• 4kV ESD Rating
• UL Approved—File No. E217765
• 5-Pin SOT23 or 8-Pin SC70JW Package
• Temperature Range: -40°C to +85°C
Applications
www.DataSheet4U.com
Hot Swap Supplies
Notebook Computers
Peripheral Ports
Personal Communication Devices
Typical Application
UL Recognized Component
INPUT
ON (ON)
1μF
IN AAT4610A OUT
SOT23-5
ON/(ON)
GND
SET
RSET
OUTPUT
0.47μF
GND
GND
4610A.2006.9.1.3
1

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