IFX2931GV50XUMA1

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The IFX2931GV50XUMA1 is a fixed positive linear voltage regulator (LDO) manufactured by Infineon Technologies. It provides a fixed output voltage of 5V with a maximum output current of 100mA. The device features a maximum input voltage rating of 28V and exhibits a typical dropout voltage of 0.6V at full load. It incorporates comprehensive protection mechanisms including overcurrent, thermal shutdown, and reverse polarity protection. The component is AEC-Q100 qualified for automotive applications and operates within a junction temperature range of -40°C to 125°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated automotive-grade linear regulation with fixed 5V output
• Built-in protection against overcurrent, thermal overload, and reverse polarity
• High power supply rejection ratio ensuring stable performance in noisy environments

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive electronic control units requiring stable 5V logic supplies
• Sensor interface circuits demanding low noise power delivery
• Infotainment system peripheral power management

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the exact part number suffix and manufacturer documentation before procurement, as this component is listed as obsolete or end-of-life by major distributors. Confirm availability through authorized channels or approved alternative sources. Ensure that any substitute components meet the same AEC-Q100 automotive qualification standards and pinout compatibility to maintain system integrity and reliability in existing designs.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a robust, automotive-qualified LDO is required for 5V distribution in harsh environments. Its high PSRR makes it suitable for sensitive analog sections. Consider the 100mA current limit and 28V input range during design. Evaluate thermal dissipation requirements based on the dropout voltage and load current to ensure operation within the specified junction temperature limits without external heatsinking.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to Infineon's OptiReg™ Switcher and Linear Regulator portfolio, designed specifically for automotive power management. It complements switching regulators by providing clean, low-noise power rails for digital and analog subsystems. The PG-DSO-8 package allows for compact surface-mount integration into vehicle electronics, supporting the industry's demand for reliable, space-efficient power solutions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Due to the obsolete status, engineers must consult official replacement guides or contact Infineon directly for validated alternatives that match the electrical specifications and automotive qualifications.