IR3820MTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3820MTRPBF is a synchronous step-down switching regulator from the SupIRBuck series, manufactured by Infineon Technologies. It operates with an input voltage range of 2.5 V to 21 V and provides a single adjustable output voltage between 0.6 V and 12 V. The device delivers a maximum continuous output current of 14 A. It features a fixed switching frequency of 300 kHz and supports positive output configuration. The component is housed in a 15-PowerVQFN package (PQFN 5x6) and is rated for junction temperatures ranging from -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for enhanced efficiency within a compact surface-mount footprint.
• Utilizes Fast Constant On-Time control architecture to ensure rapid transient response capabilities.
• Includes internal bias LDO functionality to simplify system power requirements.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for high-performance digital processing systems
• Power supply stages for communication infrastructure equipment
• Industrial control system voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distribution channels due to widespread counterfeiting risks in power management ICs. Confirm RoHS compliance status and material content declarations prior to integration. Check for specific ordering suffixes that may indicate package variations or tape-and-reel specifications. Ensure storage conditions adhere to moisture sensitivity level guidelines to prevent soldering defects during assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Evaluate thermal performance requirements against the 14 A output capability and PQFN 5x6 package constraints. Compare fixed 300 kHz switching frequency against system noise immunity needs. Assess input voltage stability within the 2.5 V to 21 V operational window. Consider alternative models if variable switching frequencies or different output configurations are required for specific application topologies.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to Infineon's SupIRBuck family, designed for high-density power conversion applications. It represents a class of integrated buck converters combining controller and power stage elements. The product line targets markets requiring efficient, compact solutions for powering complex electronic loads in demanding environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3679: Texas Instruments