The AUIR3320STRLPBF is a synchronous buck regulator IC from International Rectifier (now Infineon Technologies). It is designed to provide a high-efficiency, compact solution for point-of-load DC-DC conversion. This regulator integrates a PWM controller, synchronous MOSFETs, and protection features, making it suitable for various applications requiring stable and efficient power delivery.

Applications:

• Point-of-load DC-DC converters
• Notebook computers
• Graphics cards
• Servers
• Networking equipment
• Embedded systems

Features:

• Integrated synchronous MOSFETs
• Wide input voltage range
• Adjustable output voltage
• Over-current protection (OCP)
• Over-voltage protection (OVP)
• Under-voltage lockout (UVLO)
• Thermal shutdown
• Enable/disable control
• Small QFN package

Benefits:

• High efficiency reduces power losses and heat generation
• Compact design saves board space
• Robust protection features ensure reliable operation
• Adjustable output voltage provides flexibility
• Simplified design with integrated components

Additional Details:

The AUIR3320STRLPBF operates from an input voltage range of 4.5V to 14V. The output voltage can be adjusted using external resistors. The switching frequency is typically in the range of 300 kHz to 600 kHz. The device is available in a thermally enhanced QFN package for improved heat dissipation. It is RoHS compliant and designed for high-reliability applications.