The XR33156ID-F is a high-efficiency synchronous step-down regulator manufactured by MaxLinear Inc. This regulator is designed for a wide range of applications requiring a compact and efficient power solution. It integrates advanced features to ensure stable and reliable operation.

Applications

• Point-of-load DC-DC converters
• Industrial power supplies
• Networking equipment
• FPGA power supplies
• Embedded systems
• Battery-powered devices

Features

• Input Voltage Range: 4.5V to 18V
• Output Voltage: Adjustable from 0.8V to Vin
• Output Current: Up to 6A
• Switching Frequency: Adjustable from 200kHz to 2.2MHz
• Integrated MOSFETs: High-efficiency synchronous rectification
• Current Mode Control: Provides excellent transient response
• Internal Soft-Start: Limits inrush current during startup
• Overcurrent Protection (OCP): Protects the regulator and load from excessive current
• Overvoltage Protection (OVP): Protects the load from overvoltage conditions
• Thermal Shutdown Protection (OTP): Protects the regulator from overheating
• Enable Input: Allows for remote on/off control
• Power Good Output: Indicates when the output voltage is within regulation
• Package: 16-Pin QFN (3mm x 3mm)

Benefits

• High Efficiency: Integrated synchronous rectification and optimized control scheme ensure high efficiency across a wide load range.
• Compact Size: Small QFN package minimizes board space requirements.
• Robust Protection: Comprehensive protection features enhance system reliability.
• Adjustable Switching Frequency: Allows for optimization of efficiency and component size.
• Excellent Transient Response: Current mode control ensures stable operation during load transients.
• Simplified Design: Integrated features reduce the number of external components required.

Additional Details

The XR33156ID-F utilizes a current mode control architecture to provide fast transient response and stable operation. The adjustable switching frequency allows designers to optimize the regulator for efficiency or component size. The integrated MOSFETs minimize conduction losses, contributing to the high efficiency of the regulator. The XR33156ID-F also features an internal soft-start function to limit inrush current during startup, preventing voltage overshoot and ensuring stable operation. The device is available in a compact 16-pin QFN package, making it suitable for space-constrained applications.