IFX91041EJV33XUMA1

Voltage Regulators - DC DC Switching Regulators Overview

The IFX91041EJV33XUMA1 is a fixed-output step-down switching voltage regulator from Infineon Technologies, part of the OPTIREG switcher family. It provides a stable 3.3 V output with a maximum load current of 1.8 A. The device operates from an input voltage range of 4.75 V to 45 V and utilizes a buck topology with a typical switching frequency of 370 kHz. Designed for automotive applications, it features an SOIC-8 package and supports operation temperatures from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck converter architecture for high efficiency
• Fixed 3.3 V output voltage configuration
• Automotive-grade reliability with extended temperature range support

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Sensor supply rails in vehicles

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix XUMA1 indicates tape-and-reel packaging. Check for RoHS compliance status and moisture sensitivity level (MSL) ratings prior to soldering. Ensure storage conditions adhere to humidity limits to prevent damage before reflow.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V rail is required with up to 1.8 A capacity. It is suitable for designs needing wide input voltage tolerance up to 45 V. Consider thermal management requirements due to the SOIC-8 package size. Verify compatibility with existing PCB footprint constraints for the 8-pin surface mount package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the IFX91041 series of OPTIREG switchers designed for automotive power management. It complements other PMICs like the TLF30682QVS01 by providing dedicated high-current DC-DC conversion. The series targets robust performance in electric vehicle and industrial environments requiring reliable voltage regulation under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Infineon resources for potential obsolescence management or alternative recommendations if this specific variant is discontinued.