TLE4307D V38

Overview

The TLE4307D V38 is a linear voltage regulator manufactured by Infineon Technologies, designed for automotive applications. It provides a fixed output voltage of 3.8 V with an accuracy of 4%. The device operates within an input voltage range of 4.7 V to 40 V and delivers a maximum output current of 400 mA. It features a low quiescent current of 100 µA and includes overtemperature protection. The component is available in SOT-223 and TO-252 packages and supports a wide operating temperature range from -40 °C to +150 °C.

Feature Summary

• Fixed 3.8 V output voltage with 4% accuracy
• Automotive grade qualification
• Wide input voltage range up to 40 V
• Integrated overtemperature protection

Applications

• Automotive electronic systems
• General purpose voltage regulation
• Sensor power supply

Procurement Notes

Verify the specific package variant (SOT-223 or TO-252) required for your design. Confirm that the 3.8 V output voltage aligns with your system requirements. Ensure thermal management solutions are adequate for the expected load current and ambient temperature conditions.

Selection Notes

Select this component when a stable 3.8 V rail is needed in automotive environments. Consider the 400 mA current limit and 40 V input capability. Evaluate thermal performance based on the chosen package and application load.

Part Context

This part belongs to Infineon's OPTIREG™ linear regulator family, tailored for robust automotive electronics. It offers reliable performance in harsh environments with high input voltage tolerance and integrated safety features like overtemperature protection.

FAQ

What is the maximum input voltage for the TLE4307D V38?

The maximum input voltage is 40 V.

Does the TLE4307D V38 include overtemperature protection?

Yes, it includes integrated overtemperature protection.