IR3846AMTRPBFAUMA1

Voltage Regulators - DC DC Switching Regulators Overview

The IR3846AMTRPBFAUMA1 is a single-output synchronous buck switching regulator from Infineon Technologies' OptiMOS IPOL series. It delivers up to 40A of output current with an adjustable voltage range from 0.6V to 17V. The device operates within an input voltage window of 2V to 17V and supports a fixed switching frequency of 600kHz. Packaged in a 34-PowerVFQFN (PG-IQFN-34-900) surface-mount format, it functions across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates PWM controller and power MOSFETs for high-efficiency space-saving design
• Features true differential remote sensing for precise load regulation
• Includes internal digital soft-start and programmable current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Telecommunications infrastructure power distribution
• Industrial equipment point-of-load regulation
• Embedded systems requiring high-current low-voltage supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and RoHS compliance status. Confirm that the specific variant matches the required thermal performance and package dimensions for the target PCB layout. Check manufacturer documentation for end-of-life notifications or recommended replacements if availability is constrained.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-phase solution requires up to 40A continuous current capability. Ensure the application input voltage remains within the 2V to 17V operational limits. Consider the 34-pin PowerVFQFN package for thermal dissipation requirements and verify that the 600kHz switching frequency aligns with system EMI constraints and passive component selection.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the IR3846 family, designed as a highly integrated SupIRBuck solution. It combines control logic and power stages into a compact footprint, simplifying design complexity compared to discrete solutions. The series targets applications needing robust transient response and accurate voltage delivery in dense electronic assemblies.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.