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一、Description
XR8231 is a high efficiency,monolithic synchronous step-down DC/DC converter utilizing a constant frequency, average current mode control architecture. Capable of delivering up to 3A continuous load with excellent line and load regulation.The device operates from an input voltage
range of 5.5V to 30V and provides an adjustable output voltage from 1V to 25V.
The XR8231 features short circuit and thermal protection circuits to increase system reliability. The internal soft-start avoids input inrush current during startup.
The XR8231 require a minimum number of external components. and a wide array of protection features to enhance reliability
二、Features
Wide VIN Range : 5.5V to 30V
3A Continuous Output Current
Up to 94% Efficiency
99% Max Duty Cycle
Adjustable Output Voltages
+/-2% Output Voltage Accuracy
Integrated 70mΩ High Side Switch
Integrated 35mΩ Low Side Switch
300KHz Frequency
Burst Mode Operation at Light Load
Internal loop Compensation
Internal Soft Start
Available in SOP8 Package
三、Applications
Rechargeable Portable Devices
Networking Systems
Distributed Power Systems
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