Texas Instruments

LM79L12ACM/NOPB

LM79L12ACM/NOPB Description

The LM79L12ACM/NOPB is a fixed negative output linear regulator designed for applications requiring a stable -12V supply with a maximum output current of 100mA. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-pin SOIC package. The LM79L12ACM/NOPB offers a quiescent current of 6mA and a Power Supply Rejection Ratio (PSRR) of 52dB at 120Hz, ensuring minimal noise and high performance in various electronic systems.

LM79L12ACM/NOPB Features

• Fixed Negative Output Configuration: The LM79L12ACM/NOPB provides a stable -12V output, making it ideal for applications requiring a negative voltage supply.
• High Output Current Capability: With a maximum output current of 100mA, this regulator can efficiently power a wide range of electronic components.
• Low Quiescent Current: The regulator operates with a low quiescent current of 6mA, which is beneficial for applications where power efficiency is critical.
• High PSRR: The 52dB PSRR at 120Hz ensures that the regulator can effectively filter out noise from the power supply, maintaining a clean output voltage.
• Protection Features: The LM79L12ACM/NOPB includes over-temperature and short-circuit protection, enhancing the reliability and durability of the device.
• Surface Mount Technology: The surface mount package type facilitates easy integration into compact and high-density PCB designs.
• Wide Operating Temperature Range: The regulator operates reliably within a temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions.
• Compliance and Safety: The LM79L12ACM/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life under controlled conditions.

LM79L12ACM/NOPB Applications

The LM79L12ACM/NOPB is well-suited for a variety of applications where a stable negative voltage supply is required. Some specific use cases include:

• Analog Circuits: Providing a stable -12V supply for operational amplifiers, ADCs, and DACs in precision analog systems.
• Power Supplies: Used in power supply units to generate a negative rail for dual-supply circuits.
• Consumer Electronics: Ideal for powering negative voltage rails in devices such as audio amplifiers, oscilloscopes, and other test and measurement equipment.
• Industrial Equipment: Suitable for industrial control systems and automation devices that require a reliable negative voltage source.

Conclusion of LM79L12ACM/NOPB

The LM79L12ACM/NOPB from Texas Instruments is a robust and reliable linear regulator designed to meet the demands of modern electronic systems requiring a stable -12V supply. Its low quiescent current, high PSRR, and comprehensive protection features make it an excellent choice for applications where power efficiency, noise reduction, and reliability are paramount. The surface mount package and wide operating temperature range further enhance its versatility, making an it ideal solution for a broad range of applications in the electronics industry.