L4931ABDT25TR

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

The L4931ABDT25TR is a low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a fixed positive output of 2.5V with a maximum output current of 250mA. The device features an internal thermal shutdown and overcurrent protection mechanism to ensure reliability under fault conditions. It operates within a junction temperature range of -40°C to 125°C and offers high power supply rejection ratios, specified as 70dB at 120Hz and 55dB at 10kHz. The component is housed in a DPAK surface-mount package.

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

• Fixed positive output voltage regulation
• Integrated thermal shutdown protection
• Built-in overcurrent limiting circuitry

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

• Portable battery-powered equipment
• Embedded control systems
• General-purpose linear regulation circuits

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

Verify the specific suffix 'ABDT25TR' against official STMicroelectronics documentation to confirm the 2.5V output variant and DPAK packaging. Ensure compatibility with design requirements for fixed-output regulators. Cross-reference datasheet revision numbers to validate electrical characteristics and pin configurations prior to integration into production designs.

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

Select this component when a stable 2.5V rail is required for low-power digital or analog loads. Consider the DPAK package for adequate thermal dissipation at 250mA output currents. Evaluate input-to-output voltage differentials to ensure operation within the dropout specifications. Verify that the fixed output voltage aligns with downstream component logic levels or reference requirements.

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

This part belongs to the L4931 series of low-dropout regulators from STMicroelectronics. The series includes various fixed output voltage options and packages. The L4931ABDT25TR specifically denotes the 2.5V output version in the DPAK-5 surface-mount configuration. It is designed for applications requiring efficient linear regulation with built-in safety protections.

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

Consult official STMicroelectronics substitution guides for compatible alternatives. Verify pin-out compatibility and electrical parameter equivalence before replacing components in existing designs.