onsemi

L78LR05DL-TL-E

L78LR05DL-TL-E Description

The L78LR05DL-TL-E is a linear voltage regulator designed by onsemi, a leading manufacturer in the semiconductor industry. This regulator is part of the Linear & Switching Voltage Regulators category and is known for its reliable performance and robust design. The L78LR05DL-TL-E features a fixed output voltage of 5V and is capable of delivering a continuous output current of up to 150mA. It is designed to operate with an input voltage range up to a maximum of 20V, ensuring compatibility with a wide range of power supply sources.

L78LR05DL-TL-E Features

The L78LR05DL-TL-E offers several key features that make it a versatile and reliable choice for various electronic applications:

• Fixed Output Voltage: The regulator maintains a stable output voltage of 5V, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 20V, this regulator can handle a wide range of input voltages, making it suitable for diverse power supply configurations.
• Low Dropout Voltage: The maximum dropout voltage of 2.2V at 40mA ensures efficient operation even under low input voltage conditions, maximizing power conversion efficiency.
• Over Current and Over Temperature Protection: These protection features safeguard the regulator and connected circuits from damage due to excessive current or temperature, enhancing reliability and longevity.
• Reset Control Feature: The reset function allows for precise control and system reset capabilities, which are essential for maintaining system stability and preventing data corruption.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 79dB at 120Hz, effectively filtering out noise and ripple from the input power supply, resulting in cleaner output voltage.
• Through Hole Mounting: The through-hole mounting type ensures secure and reliable installation on printed circuit boards, making it suitable for both prototyping and production environments.
• Compliance and Packaging: The L78LR05DL-TL-E is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It is packaged in a tape & reel format, facilitating easy handling and integration into automated assembly processes.

L78LR05DL-TL-E Applications

The L78LR05DL-TL-E is ideal for a variety of applications where a stable and reliable power supply is required. Some specific use cases include:

• Embedded Systems: Provides a stable 5V supply for microcontrollers, sensors, and other low-power embedded components.
• Consumer Electronics: Suitable for powering small electronic devices such as portable radios, MP3 players, and other battery-operated gadgets.
• Industrial Control Systems: Ensures reliable power supply for control boards, PLCs, and other industrial automation equipment.
• Telecommunications: Ideal for powering low-power communication modules and peripherals in telecommunication systems.
• Medical Devices: Ensures stable power supply for low-power medical instruments and monitoring devices, contributing to their reliability and accuracy.

Conclusion of L78LR05DL-TL-E

The L78LR05DL-TL-E is a robust and reliable linear voltage regulator that offers a stable 5V output with a maximum current of 150mA. Its wide input voltage range, low dropout voltage, and high PSRR make it an excellent choice for a variety of applications requiring a stable power supply. The inclusion of over current and over temperature protection features ensures enhanced reliability and longevity, while the reset control feature provides precise system control. Despite being marked as obsolete, the L78LR05DL-TL-E remains a viable option for applications where its specific features and performance benefits are required.