IR3839MTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3839MTR1PBF is a synchronous buck switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It delivers an adjustable output voltage ranging from 0.6V to 14.4V with a maximum continuous output current of 6A. The device operates within an input voltage range of 7V to 16V and supports a programmable switching frequency between 225kHz and 1.65MHz. It is housed in a 17-PQFN (5x6) package and functions reliably across a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs with a PWM controller for compact design
• Features programmable switching frequency to optimize efficiency and component size
• Includes internal soft-start and thermal shutdown protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for data processing systems
• General-purpose DC-DC conversion for industrial equipment
• Power supply stages in communication infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package marking and datasheet revision against original specifications. Check for moisture sensitivity handling requirements during storage and assembly. Validate replacement availability if sourcing new production units is not possible.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 6A synchronous buck solution is required with flexible frequency tuning. Ensure input voltage stays within the 7V to 16V window. Consider the 17-PQFN footprint for board space constraints. Verify thermal management capabilities match the application's ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SupIRBuck family, which integrates power switches and control logic into small packages. It replaces discrete solutions by reducing bill of materials and board area. The IR3839 variant specifically targets applications needing moderate current with wide frequency adjustability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same manufacturer portfolio. Verify electrical parameters such as current rating and input voltage limits before substitution.