Texas Instruments

LM78L05ACZ/LFT4

LM78L05ACZ/LFT4 Description

The LM78L05ACZ/LFT4 is a fixed positive linear voltage regulator designed by Texas Instruments. This regulator offers a stable output voltage of 5V with a maximum input voltage of 35V and a continuous output current of 100mA. It is housed in a TO92-3 package, making it suitable for through-hole mounting. The device operates within a temperature range of 0°C to 125°C, ensuring reliable performance in various environmental conditions. It features a low quiescent current of 3mA and a power supply rejection ratio (PSRR) of 62dB at 120Hz, which helps in maintaining a stable output voltage even under varying input conditions.

LM78L05ACZ/LFT4 Features

• Fixed Output Voltage: The LM78L05ACZ/LFT4 provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 35V, it can handle a wide range of input voltages, making it versatile for different power supply scenarios.
• Low Quiescent Current: The regulator has a low quiescent current of 3mA, which minimizes power consumption and is ideal for battery-operated applications.
• High PSRR: A PSRR of 62dB at 120Hz ensures that the output voltage remains stable even when the input voltage fluctuates, providing clean power to sensitive electronics.
• Protection Features: It includes over-temperature and short-circuit protection, safeguarding the regulator and connected components from damage.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in cut tape (CT) packaging, facilitating easy handling and integration into manufacturing processes.

LM78L05ACZ/LFT4 Applications

The LM78L05ACZ/LFT4 is ideal for a variety of applications where a stable 5V power supply is required. Its low quiescent current and high PSRR make it suitable for:

• Consumer Electronics: Powering small electronic devices, such as remote controls, portable gaming consoles, and digital cameras.
• Industrial Equipment: Providing a stable power supply for sensors, microcontrollers, and other low-power industrial components.
• Automotive Applications: Used in vehicle electronics for auxiliary power supply, ensuring reliable operation in varying conditions.
• Medical Devices: Suitable for powering low-power medical equipment where stability and reliability are crucial.

Conclusion of LM78L05ACZ/LFT4

The LM78L05ACZ/LFT4 is a robust and reliable linear voltage regulator that offers a stable 5V output with a wide input voltage range and low quiescent current. Its high PSRR and protection features make it a superior choice over similar models, ensuring stable and safe operation in various applications. The device's compliance with environmental standards and its through-hole mounting type make it a versatile and practical solution for engineers and designers in the electronics industry.