Texas Instruments

MC79L12ACLPRE3  

Linear & Switching Voltage Regulators

MC79L12ACLPRE3 Description

The MC79L12ACLPRE3 is a linear regulator IC designed for applications requiring a fixed -12V output voltage with a maximum output current of 100mA. Manufactured by Texas Instruments, this device is part of the Power Management (PMIC) category and is housed in a Through Hole package, specifically the TO92-3 format. The MC79L12ACLPRE3 offers a dropout voltage of 1.7V at 40mA, ensuring efficient operation even under varying load conditions. It operates within a temperature range of 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications.

MC79L12ACLPRE3 Features

• Output Type: Fixed -12V, providing a stable negative voltage supply.
• Current - Output: 100mA, suitable for low to medium current applications.
• Number of Regulators: Single regulator, simplifying design and reducing component count.
• Output Configuration: Negative, ideal for applications requiring negative voltage rails.
• Voltage Dropout (Max): 1.7V @ 40mA, ensuring efficient operation at lower input voltages.
• Operating Temperature: 0°C to 125°C, suitable for a broad range of environmental conditions.
• Protection Features: Over Temperature and Short Circuit protection, enhancing reliability and safety.
• Mounting Type: Through Hole, facilitating easy integration into PCB designs.
• Package: Tape & Reel (TR), ensuring efficient handling and assembly processes.
• Compliance: REACH Unaffected and ROHS3 Compliant, meeting stringent environmental regulations.
• Power Supply Rejection Ratio (PSRR): 42dB at 120Hz, providing excellent noise rejection and stable output voltage.

MC79L12ACLPRE3 Applications

The MC79L12ACLPRE3 is ideal for applications requiring a stable -12V supply with low to medium current consumption. Its compact TO92-3 package and Through Hole mounting type make it suitable for a variety of electronic systems, including:

• Industrial Control Systems: Providing a stable power supply for sensors and actuators requiring negative voltage rails.
• Consumer Electronics: Ideal for devices such as audio equipment, where a -12V supply is necessary for operational amplifiers and other analog components.
• Telecommunications: Suitable for powering negative voltage circuits in communication devices and infrastructure.
• Automotive: Applicable in vehicle electronics where a -12V supply is needed for specific subsystems.

Conclusion of MC79L12ACLPRE3

The MC79L12ACLPRE3 from Texas Instruments is a robust and reliable linear regulator designed to meet the demands of applications requiring a fixed -12V output. Its combination of a low dropout voltage, comprehensive protection features, and wide operating temperature range make it an excellent choice for various industrial and consumer applications. The Through Hole mounting and TO92-3 package ensure ease of integration into PCB designs, while compliance with REACH and ROHS3 regulations ensures environmental sustainability. The MC79L12ACLPRE3 is an ideal solution for engineers seeking a dependable and efficient power management solution for their negative voltage supply needs.

MC79L12ACLPRE3 Documents

Download datasheets and manufacturer documentation for MC79L12ACLPRE3

PCN Assembly/Origin :

Mold Compound Addition 04/Jun/2021      

Datasheets :

MC79L00 Series      

PCN Obsolescence/ EOL :

EOL 25/Sept/2023      

HTML Datasheet :

MC79L00 Series