The L79L12ACZ-AP is a linear voltage regulator manufactured by STMicroelectronics, designed to deliver a stable -12V output. This regulator is part of the L79 series, which is known for providing negative output voltages. It is an essential component for a wide range of electronic applications, including power supplies, instrumentation, and consumer electronics that require a reliable negative voltage source.

Key Features

• Output Voltage: The device provides a fixed output voltage of -12V, which is essential for circuits that require a stable negative reference.
• Output Current: It can deliver up to 100mA of output current, making it suitable for low power applications.
• Thermal Overload Protection: The L79L12ACZ-AP includes built-in thermal overload protection that shuts down the regulator to prevent damage if the temperature exceeds safe operating limits.
• Short Circuit Protection: The device also features short circuit protection, enhancing the safety and reliability of the applications it powers.
• Low Dropout Voltage: The regulator maintains regulation with a very low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
• TO-92 Package: Encased in a TO-92 package, the L79L12ACZ-AP is designed for through-hole mounting, which is suitable for prototyping and production in various electronic assemblies.

Applications

The L79L12ACZ-AP voltage regulator is versatile and can be used in a range of applications, including:

• Power supply circuits requiring a -12V rail
• Analog and digital circuits that need a negative reference voltage
• Audio applications for signal processing
• Operational amplifier power supplies
• Instrumentation that requires consistent negative voltage

STMicroelectronics' commitment to quality and performance is evident in the L79L12ACZ-AP voltage regulator. Its robust protection features and stable output make it a reliable choice for designers and engineers seeking a dependable negative voltage source for their electronic projects.