STMicroelectronics

L78L05CZ

L78L05CZ Description

The L78L05CZ is a linear voltage regulator designed and manufactured by STMicroelectronics. It is part of the Linear & Switching Voltage Regulators category and is known for its reliable performance and robust protection features. This device is not recommended for new designs, but it remains a popular choice for existing applications due to its proven reliability and performance.

L78L05CZ Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Voltage - Input (Max): 30V, allowing for a wide range of input voltages.
• Current - Output: 100mA, suitable for low-power applications.
• Number of Regulators: 1, providing a single output.
• Output Configuration: Positive, ideal for standard electronic circuits.
• Current - Supply (Max): 6 mA, ensuring low power consumption.
• REACH Status: REACH Unaffected, indicating compliance with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for storage without desiccant.
• Operating Temperature: 0°C ~ 125°C, suitable for a wide range of environments.
• Current - Quiescent (Iq): 5.5 mA, contributing to low power consumption.
• PSRR: 49dB (120Hz), providing excellent power supply rejection ratio.
• Protection Features: Over Current, Over Temperature, Short Circuit, ensuring device safety.
• Mounting Type: Through Hole, facilitating easy integration into PCB designs.
• Package: Bulk, offering a cost-effective solution for high-volume applications.

L78L05CZ Applications

The L78L05CZ is ideal for applications requiring a stable 5V output with low current demands. Some specific use cases include:

• Portable Electronics: Due to its low power consumption and small form factor, it is suitable for battery-powered devices.
• Sensors and Transducers: Provides a reliable power source for low-power sensors in industrial and environmental monitoring applications.
• Microcontroller Power: Offers a stable power supply for microcontrollers in various embedded systems.

Conclusion of L78L05CZ

While the L78L05CZ is not recommended for new designs, it remains a solid choice for existing applications due to its proven reliability, robust protection features, and low power consumption. Its fixed 5V output, combined with a wide input voltage range and positive output configuration, makes it a versatile option for a variety of low-power applications. Despite its age, the L78L05CZ continues to be a popular choice in the electronics industry for its performance and cost-effectiveness.