L7815ABV

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

The L7815ABV is a three-terminal positive linear voltage regulator from the STMicroelectronics L78xx series, providing a fixed 15V output. It supports up to 1.5A output current in TO-220 packages with adequate heat sinking. The device operates within an input voltage range of 17.5V to 35V and features internal thermal shutdown, overcurrent protection, and safe operating area (SOA) limits. It maintains operation across a temperature range of -40°C to +125°C.

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

• Integrated thermal overload protection prevents damage during excessive power dissipation.
• Internal current limiting safeguards against short circuits and overload conditions.
• Output transistor safe operating area (SOA) protection ensures stable performance under varying load conditions.

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

• Local on-card regulation for electronic circuits
• Positive linear power supplies
• Industrial control systems requiring stable voltage rails

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

Verify the specific suffix 'DG' or absence thereof when ordering, as it may indicate packaging variations such as tube quantities rather than functional differences. Confirm RoHS compliance status for the specific batch, as older revisions may differ. Ensure the supplier provides official datasheets matching the exact part number to avoid confusion with similar L78 variants.

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

Select this component for applications requiring a robust, fixed 15V supply with high current capability. The TO-220 package facilitates effective heat dissipation for currents exceeding 1A. Consider the maximum input voltage limit of 35V to ensure sufficient headroom without exceeding absolute maximum ratings. Verify thermal management requirements based on the expected ambient temperature and load current.

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

This device belongs to the widely used L78xx family of three-terminal positive regulators. These components are designed for general-purpose voltage regulation tasks where simplicity and reliability are prioritized. The L7815 variant specifically targets 15V output needs, serving as a standard solution in various consumer and industrial electronics designs.

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

Compatible substitutes include LM7815 and MC7815. Verify pinout compatibility and thermal characteristics before substitution. Ensure the replacement part meets the required 1.5A output current and 15V fixed output specifications.