L4931ABZ25

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

The L4931ABZ25 is a very low drop voltage regulator from STMicroelectronics, featuring a fixed 2.5 V output with ±1% precision at 25 °C. It delivers an output current up to 250 mA with a dropout voltage of 0.4 V and operates within a supply voltage range supporting this regulation. The device requires only a 2.2 µF capacitor for stability and includes internal current and thermal limiting protections. It functions across a temperature range from -40 to 125 °C.

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

• Very low dropout voltage (0.4 V) suitable for battery-powered systems
• Logic controlled electronic shutdown in compatible packages
• Internal current and thermal limit protection
• Requires only a 2.2 µF capacitor for stability

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

• Low noise, low power applications
• Battery-powered systems
• Local regulators requiring standby mode control

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

Verify the specific suffix 'ABZ25' against official STMicroelectronics documentation to confirm package type, output voltage tolerance, and availability status. Ensure compatibility with system requirements for quiescent current and shutdown logic if applicable. Cross-reference datasheet revisions for any updates on electrical characteristics or recommended operating conditions before finalizing procurement.

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

Select the L4931ABZ25 when a fixed 2.5 V output with high precision is required alongside minimal external component count. Consider its low quiescent current and shutdown capability for power-sensitive designs. Verify that the SO-8, DPAK, or TO-92 package options meet the thermal and spatial constraints of the target application.

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

The L4931 series comprises very low drop voltage regulators designed for efficiency in portable electronics. This specific part belongs to the family offering fixed output voltages with tight tolerance options, targeting applications where power conservation and stable regulation under varying load conditions are critical performance factors.

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

Consult official STMicroelectronics substitution guides for verified equivalents. Generic LDO replacements may not match the specific 0.4 V dropout or 2.2 µF stability requirement.