L6935TR

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

The L6935TR is a high-performance, low-dropout (LDO) linear voltage regulator manufactured by STMicroelectronics. It provides a fixed positive output of 3V with a maximum continuous load current of 3A. The device operates from an input voltage range up to 5V and supports an adjustable output configuration ranging from 0.5V to 3V. Key electrical specifications include a quiescent current of 3 mA and a power supply rejection ratio (PSRR) of 45 dB at frequencies between 100 Hz and 120 Hz. It features comprehensive protection mechanisms including overcurrent, thermal overload, and short-circuit protection. The component is housed in a 20-VFQFPN package measuring 4x4 mm and is qualified to AEC-Q100 standards for automotive applications.

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

• Integrated control features including enable pin, power good signal, and soft-start functionality.
• Robust protection suite covering overcurrent limiting, thermal shutdown, and short-circuit safety.
• Automotive-grade qualification ensuring reliability under extended temperature ranges.

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

• Automotive electronic systems requiring AEC-Q100 compliant power regulation
• General purpose AC switching circuits utilizing smart linear regulation
• Phase angle control functions in consumer appliances

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

Verify the specific suffix and packaging type when ordering, as availability may vary. Confirm that the component meets the required AEC-Q100 automotive grade specifications for your target application. Check for end-of-life status or obsolescence notices from the manufacturer before finalizing design-in decisions. Ensure compatibility with the 20-VFQFPN footprint during PCB layout.

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

Select this regulator for applications requiring high current capability up to 3A with low dropout characteristics. Consider the 45 dB PSRR performance for noise-sensitive circuits operating within the specified frequency range. Evaluate the thermal management requirements given the 150°C maximum junction temperature limit. Ensure the input voltage does not exceed the 5V maximum rating while maintaining sufficient headroom for regulation.

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

This component belongs to the L6935 family of smart linear regulators designed by STMicroelectronics. It is part of a broader portfolio of power management ICs intended for robust and efficient voltage conversion. The device integrates advanced control features typical of modern PMIC solutions, targeting both industrial and automotive sectors where reliability and compact form factors are critical.

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

Consult official substitution lists for compatible alternatives such as the L6706 if system requirements differ. Verify pin-to-pin compatibility and electrical parameter alignment before replacing the component in existing designs.