Texas Instruments

LM79L05ACTL

LM79L05ACTL Description

The LM79L05ACTL is a fixed negative linear regulator designed by Texas Instruments, offering a regulated output voltage of -5V with a maximum output current of 100mA. This regulator is housed in a 6-lead DSBGA package, making it suitable for surface-mount applications. Despite its obsolete status, the LM79L05ACTL remains a reliable choice for applications requiring a stable negative voltage supply. The regulator operates within a temperature range of 0°C to 70°C and features a quiescent current of 6mA, ensuring efficient power consumption even under light load conditions. It also boasts a power supply rejection ratio (PSRR) of 50dB at 120Hz, which helps in maintaining a clean output voltage under varying input conditions.

LM79L05ACTL Features

The LM79L05ACTL includes several protection features to enhance its reliability and robustness. These features include over-temperature protection and short-circuit protection, which safeguard the regulator and downstream components from potential damage due to excessive heat or electrical faults. The regulator's moisture sensitivity level (MSL) is rated at 1 (unlimited), indicating that it can be safely stored and handled without the need for special moisture protection measures. The LM79L05ACTL is REACH unaffected, ensuring compliance with environmental regulations and making it suitable for a wide range of applications. Additionally, its tape & reel (TR) packaging facilitates automated assembly processes, enhancing manufacturing efficiency.

LM79L05ACTL Applications

The LM79L05ACTL is ideal for applications requiring a stable -5V supply with low noise and high PSRR. Its fixed negative output configuration makes it particularly useful in analog circuits, where a stable reference voltage is crucial for accurate signal processing. The regulator's low quiescent current and efficient power consumption make it suitable for battery-powered devices and other low-power applications. The over-temperature and short-circuit protection features make it a reliable choice for sensitive electronic systems, ensuring that the regulator can withstand transient faults without compromising system integrity. Specific use cases include audio amplifiers, precision instrumentation, and other analog circuits that require a stable negative voltage supply.

Conclusion of LM79L05ACTL

In summary, the LM79L05ACTL is a robust and reliable fixed negative linear regulator that offers a stable -5V output with a maximum current of 100mA. Its low quiescent current, high PSRR, and comprehensive protection features make it an excellent choice for a variety of applications, particularly those requiring a stable negative voltage supply. Despite being marked as obsolete, the LM79L05ACTL remains a viable option for designers seeking a dependable and efficient regulator solution. Its compliance with environmental regulations and suitability for automated assembly processes further enhance its appeal in the electronics industry.