L5300EPTTR

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

The L5300EPTTR is a single-output fixed low-dropout (LDO) linear voltage regulator manufactured by STMicroelectronics. It provides a stable 5 V output with a maximum current capacity of 300 mA. The device supports input voltages up to 40 V and features a maximum dropout voltage of 500 mV. Line regulation is specified at 40 mV, while load regulation is 55 mV. Voltage accuracy is maintained within 2%. It operates within an extended temperature range from -40°C to +150°C and holds AEC-Q100 automotive qualification. The component is housed in a TO-252-5 surface-mount package.

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

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments.
• Integrated protection mechanisms including over-temperature shutdown and short-circuit limiting to safeguard circuit integrity.
• High input voltage tolerance allowing direct connection to higher voltage sources without additional pre-regulation.

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

• Power supply conditioning for automotive electronic control units (ECUs)
• Voltage regulation for microprocessor units (MPU) in automotive systems
• Low-noise power delivery for sensor interfaces in harsh environments

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

Verify the specific suffix 'EPTTR' to confirm the TO-252-5 package and tape-and-reel packaging configuration. Confirm that the AEC-Q100 qualification status meets your specific automotive grade requirements. Ensure compatibility with the 5 V fixed output specification for your target application design.

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

Select this component when a high-voltage tolerant, automotive-qualified LDO is required for 5 V logic or MPU supplies. The 300 mA output current suits moderate load applications. Consider the thermal performance in the TO-252-5 package relative to expected power dissipation. Verify that the 40 V maximum input voltage aligns with the system's supply rail characteristics.

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

This part belongs to the L5300 series of low-dropout regulators designed specifically for automotive applications. The series emphasizes high input voltage capability and robust protection features suitable for demanding automotive electrical environments. It serves as a key power management solution for stabilizing voltages in complex automotive electronic architectures.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official STMicroelectronics resources for potential cross-reference options if discontinuation or availability issues arise.

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

What is the maximum input voltage supported by the L5300EPTTR?

The device supports a maximum input voltage of 40 V.

Is the L5300EPTTR qualified for automotive applications?

Yes, it is AEC-Q100 qualified for automotive use.

What protection features are included in this regulator?

It includes over-temperature protection and short-circuit protection.