L7915CT

Overview

The L7915CT is a fixed negative linear voltage regulator from the STMicroelectronics L79xx series. It provides a stable -15V output with a maximum current capability of 1.5A. The device accepts an input voltage range up to -35V and features a typical dropout voltage of 1.1V at full load. Internal protections include thermal overload shutdown and safe area protection. It is housed in a TO-3 metal can package, suitable for through-hole mounting.

Feature Summary

• Fixed -15V negative output regulation
• High current capability up to 1.5A
• Integrated thermal overload and safe area protection

Applications

• Negative power supply rails in electronic circuits
• Industrial control systems requiring stable negative voltage
• Audio equipment power distribution

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature rating. Ensure the component matches the required pinout for the target PCB footprint. Confirm availability status as lifecycle stages may vary by region or production batch.

Selection Notes

Select this component when a reliable -15V source is needed for analog or digital loads. Consider the TO-3 package's thermal dissipation capabilities for high-current applications. Verify that the input voltage remains within the specified limits to prevent damage.

Part Context

Part of the L79xx family of negative regulators, offering standardized performance across various output voltages. Designed for general-purpose power management in commercial and industrial electronics where stability and robustness are critical.

Replacement Considerations

Compatible equivalents include LM7915 and UA7915. Verify pin compatibility and thermal characteristics before substitution.