IR3837MTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3837MTR1PBF is a single-phase synchronous buck switching regulator IC from Infineon Technologies, part of the SupIRBuck series. It delivers an adjustable positive output voltage ranging from 0.6V to 14.4V with a maximum continuous output current of 14A. The device operates within an input voltage range of 1.5V to 16V and supports a programmable switching frequency between 225kHz and 1.65MHz. It integrates two low Rds(on) HEXFET MOSFETs for high efficiency and is housed in a compact 17-VQFN package suitable for surface mount applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates two low Rds(on) HEXFET MOSFETs specifically designed for high-efficiency power conversion applications.
• Features a fast constant on-time control architecture enabling stable operation across wide input voltage ranges.
• Includes comprehensive protection mechanisms such as under-voltage lockout and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load (POL) regulation for data processing systems
• Voltage regulation for telecommunications infrastructure equipment
• Power supply stages for industrial control systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MTR1PBF against the manufacturer's official datasheet to confirm pinout compatibility and RoHS compliance status. Ensure the ordering code matches the exact tape-and-reel quantity specified in the latest production documentation. Cross-reference the component marking with the official identification guide to prevent counterfeit substitution during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-phase solution requiring up to 14A output current is necessary. It is appropriate for designs needing a wide input voltage window down to 1.5V. Consider the 17-VQFN package constraints for PCB layout space. Verify that the required switching frequency falls within the 225kHz to 1.65MHz programmable range for optimal filter component sizing.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SupIRBuck family of integrated power stages. It combines the controller, gate drivers, and power switches into a single monolithic IC. This integration reduces the external component count compared to discrete solutions. The series targets high-density power delivery requirements in modern electronic systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official replacement guide or contact technical support for verified cross-reference information before design finalization.