L4931CDT80-TR

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

The L4931CDT80-TR is a linear voltage regulator IC from STMicroelectronics, part of the L4931 series. It provides a fixed positive output voltage of 8.0V with a maximum output current of 250mA. The device utilizes a DPAK (TO-252) surface-mount package. Key electrical specifications include a maximum input voltage of 20V and a dropout voltage of up to 0.8V at full load. It operates within a temperature range of -40°C to +125°C and includes internal overcurrent and thermal shutdown protection.

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

• Very low dropout voltage capability for efficient power management in battery-powered systems
• Logic-controlled electronic shutdown function for standby mode operation
• Internal current limiting and thermal protection for enhanced reliability

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

• Battery-powered portable devices requiring stable voltage regulation
• Local voltage regulation in embedded systems with TTL-compatible control
• Low noise power supply applications in consumer electronics

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

Verify component authenticity through authorized STMicroelectronics distributors or certified partners. Confirm the specific suffix 'TR' indicates tape-and-reel packaging suitable for automated assembly. Check for RoHS compliance status and ensure the datasheet version matches the production batch requirements for your design integration.

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

Select this component when an 8.0V fixed output is required in a DPAK package. Ensure the input voltage does not exceed 20V and that the thermal dissipation capabilities of the DPAK package are sufficient for the expected load current. Verify compatibility with the system's shutdown logic if power management features are utilized.

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

The L4931 series comprises very low drop regulators available in multiple packages including SO-8, DPAK, PPAK, TO-92, and TO-220. The series offers various fixed output voltages and features low quiescent current. The L4931CDT80-TR specifically denotes the 8.0V output variant in the DPAK package with reel packaging.

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

Publicly confirmed substitute part numbers for L4931CDT80-TR were not found in the provided source material. Consult official STMicroelectronics documentation for potential cross-reference options.