Texas Instruments

MC79L12CLP

MC79L12CLP Description

The MC79L12CLP is a linear regulator designed by Texas Instruments, offering a fixed output voltage of -12V with a maximum output current of 100mA. This regulator is housed in a TO-92-3 package, making it suitable for through-hole mounting. It is part of the Power Management Integrated Circuits (PMIC) category, specifically designed for applications requiring a stable negative voltage supply.

MC79L12CLP Features

• Output Type: Fixed
• Output Voltage: -12V
• Output Current: 100mA
• Number of Regulators: 1
• Output Configuration: Negative
• Voltage Dropout (Max): 1.7V @ 40mA
• Operating Temperature Range: 0°C to 125°C
• Power Supply Rejection Ratio (PSRR): 42dB at 120Hz
• Protection Features: Over-temperature and short-circuit protection
• Compliance: REACH Unaffected, ROHS3 Compliant
• Moisture Sensitivity Level (MSL): Not Applicable
• Mounting Type: Through Hole
• Package: Bulk
• Base Product Number: MC79L12

The MC79L12CLP stands out due to its robust protection features, ensuring reliable operation even under adverse conditions. Its low dropout voltage of 1.7V at 40mA makes it efficient for applications where input voltage is close to the output voltage. The regulator's PSRR of 42dB at 120Hz ensures minimal noise and ripple in the output voltage, providing a clean power supply to sensitive circuits.

MC79L12CLP Applications

The MC79L12CLP is ideal for a variety of applications requiring a stable -12V supply. Its compact TO-92-3 package and through-hole mounting make it suitable for both prototyping and production environments. Key applications include:

• Analog Circuits: Providing a stable negative voltage supply for operational amplifiers, ADCs, and DACs.
• Power Supplies: Used in benchtop power supplies and laboratory equipment.
• Telecommunications: Supplying power to negative voltage rails in telecommunication infrastructure.
• Industrial Equipment: Powering negative voltage circuits in industrial control systems and sensors.

Conclusion of MC79L12CLP

The MC79L12CLP from Texas Instruments is a versatile and reliable linear regulator, offering a fixed -12V output with robust protection features. Its low dropout voltage and high PSRR make it an excellent choice for applications requiring a clean and stable negative voltage supply. The through-hole mounting and bulk packaging options ensure ease of integration into various electronic systems. Whether used in analog circuits, power supplies, or industrial equipment, the MC79L12CLP provides consistent performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.