IR3800MTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3800MTR1PBF is a synchronous step-down switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It delivers an adjustable output voltage ranging from 0.6V to 12V with a maximum continuous output current of 12A. The device operates with an input voltage range of 2.5V to 21V and supports a fixed switching frequency of 600kHz. Packaged in a compact 15-PowerVQFN (5x6mm) surface-mount enclosure, it is designed for high-efficiency power conversion in space-constrained applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for enhanced efficiency
• Adjustable output voltage control via external resistor network
• Compact PowerVQFN package for dense board layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Data processing systems
• Industrial point-of-load regulation
• Communication equipment power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific manufacturing date codes relevant to your supply chain requirements. Ensure proper handling procedures are followed due to moisture sensitivity classification. Review official datasheets for detailed thermal management guidelines before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 12A synchronous buck converter is required within a 2.5V to 21V input range. The fixed 600kHz frequency offers a balance between component size and efficiency. Consider the 15-PowerVQFN footprint for PCB layout constraints. Evaluate thermal performance based on expected load conditions and ambient temperature environments to ensure reliable operation within the specified junction temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to Infineon's SupIRBuck family of integrated power stages. It combines high-side and low-side MOSFETs with gate drivers and control logic into a single monolithic package. This integration reduces external component count and simplifies design implementation compared to discrete solutions. The series targets applications requiring high current density and efficient power delivery in compact form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The IR3820MTR1PBF is documented as a parameter-equivalent substitute. Verify pin compatibility and electrical specifications against original design requirements before substitution.