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DESCRIPTION
The EUP3511 are Current Limited P-channel MOSFET power switches designed for high-side load switching applications. The internal current-limiting circuit protects the input supply against large output short circuit current which may cause the supply to fall out of regulation. The current limit threshold is programmed with an external resistor from SET Pin to ground. The quiescent supply current is typically 8μA, making the device ideal for portable battery-operated equipment. In shutdown mode, the supply current decreases to less than 0.1μA.
Additional features include thermal shutdown to prevent catastrophic switch failure from high current loads, under-voltage lockout (UVLO) to ensure that the device remains off unless there is a valid input voltage present.
The EUP3511 are available in 5 pin SOT-23 packages.
FEATURES
• 2.4V to 5.5V Input voltage range
• Programmable Over Current Threshold
• Fast Transient Response:
• Low Quiescent Current
- 8μA Normal Operation
- 1μA Max in Shutdown
• 115mΩ typical RDS(ON)
• Under-Voltage Lockout
• Thermal Shutdown
• 4kV ESD Protection
• Available in SOT23-5 Package
• RoHS Compliant and 100% Lead(Pb)-Free
APPLICATIONS
• Peripheral ports
• Notebook computers
• Personal communication devices
• Hot swap supplies
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