LF50CDT-TRY

Overview

The LF50CDT-TRY is a fixed-output linear voltage regulator from STMicroelectronics, providing a stable 5V output with a maximum current capacity of 500mA. It operates within an input voltage range of 4.5V to 16V and features a low dropout voltage of 0.7V at full load. The device includes internal protection mechanisms such as overcurrent limiting and thermal shutdown. It is housed in a DPAK surface-mount package and is qualified for automotive applications under the AEC-Q100 standard, ensuring reliability across a wide operating temperature range.

Feature Summary

• Integrated overcurrent and thermal shutdown protection for enhanced circuit safety
• AEC-Q100 qualification for robust performance in automotive environments
• Low dropout characteristic suitable for battery-powered systems

Applications

• Automotive electronic control units requiring regulated power supplies
• Battery-operated portable devices needing efficient voltage regulation
• General-purpose low-noise power management in industrial equipment

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific part number matches the required automotive grade specifications. Check for any recent production change notices regarding packaging or material composition. Ensure storage conditions comply with moisture sensitivity level requirements before assembly.

Selection Notes

Select this regulator when a fixed 5V output is required with high current capability in a compact surface-mount package. Consider its automotive qualification if the application demands high reliability under varying environmental conditions. Evaluate the dropout voltage against the minimum available input voltage to ensure proper regulation during operation.

Part Context

This component belongs to the LF series of low-dropout regulators designed by STMicroelectronics. These devices are engineered to provide stable voltage outputs with minimal power loss, making them ideal for applications where efficiency and space savings are critical. The series offers various fixed output voltages to suit different system requirements.

Replacement Considerations

Direct substitutes may include other 5V LDOs from STMicroelectronics or compatible manufacturers offering similar current ratings and package types. Verify pin compatibility and electrical specifications before substitution.