Texas Instruments

LM79L05ACZ/LFT1

LM79L05ACZ/LFT1 Description

The LM79L05ACZ/LFT1 is a high-performance linear regulator voltage designed by Texas Instruments. This regulator offers a fixed output voltage of -5V and is capable of delivering a continuous output current of 100mA. It is housed in a TO92-3 package, making it suitable for through-hole mounting. The LM79L05ACZ/LFT1 is designed to operate within a temperature range of 0°C to 70°C, ensuring reliable performance in a variety of standard operating environments.

LM79L05ACZ/LFT1 Features

• Fixed Output Voltage: The LM79L05ACZ/LFT1 provides a stable -5V output voltage, making it ideal for applications requiring a consistent negative voltage supply.
• High Output Current: With a maximum output current of 100mA, this regulator can support a wide range of electronic devices and circuits.
• Low Quiescent Current: The regulator operates with a low quiescent current of 6mA, which is beneficial for applications where power consumption is a critical factor.
• Excellent PSRR: The Power Supply Rejection ( RatioPSRR) of 50dB at 120Hz ensures that the regulator can effectively filter out noise and ripple from the input power supply, resulting in a cleaner output voltage.
• Protection Features: The LM79L05ACZ/LFT1 includes over-temperature and short-circuit protection, enhancing its reliability and robustness in various operating conditions.
• Compliance and Packaging: The regulator is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. It is available in a tape and reel (TR) package, facilitating easy handling and integration into manufacturing processes.

LM79L05ACZ/LFT1 Applications

The LM79L05ACZ/LFT1 is well-suited for a variety of applications where a stable negative voltage supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering analog circuits, audio amplifiers, and other consumer electronics that require a negative voltage rail.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that operate within the specified temperature range.
• Medical Devices: Can be used in medical equipment where low noise and stable power supply are crucial for accurate measurements and reliable performance.
• Telecommunications: Effective in providing power to various components in telecommunication systems that require a negative voltage supply.

Conclusion of LM79L05ACZ/LFT1

The LM79L05ACZ/LFT1 from Texas Instruments is a versatile and reliable linear voltage regulator that offers a fixed -5V output with a maximum current of 100mA. Its low quiescent current and excellent PSRR make it an efficient and clean power supply solution. The inclusion of over-temperature and short-circuit protection ensures robust performance, while its compliance with REACH and ROHS3 standards makes it environmentally friendly. The LM79L05ACZ/LFT1 is an excellent choice for a wide range of applications, from consumer electronics to industrial and medical devices, where a negative stable voltage supply is essential.