The L7805CY from STMicroelectronics is a robust and reliable positive voltage regulator designed to deliver a fixed output voltage of 5V with an output current of up to 1.5A. This regulator is part of the L78 series, which is well-known for its high efficiency, making it an ideal choice for a wide range of applications, including local on-card regulation, diverse electronic devices, and embedded systems.

Key Features

• Output Voltage: Fixed at 5V, which is commonly used in digital circuits and microcontroller-based systems.
• Output Current: Capable of providing up to 1.5A, which is suitable for powering small to medium-sized projects.
• Thermal Overload Protection: Ensures the device remains operational and safe under excessive temperature conditions.
• Short Circuit Protection: Offers built-in protection that prevents damage to the regulator and the connected load in the event of a short circuit.
• Safe Area Protection: Adjusts the limit current to avoid exceeding the maximum power dissipation.
• No External Components Required: The L7805CY can operate without additional components, although capacitors can be added to improve transient response.

Applications

The versatility of the L7805CY allows it to be used in various applications, including:

• Power supplies for electronic devices such as radios, televisions, and computers.
• On-card regulation for noise-sensitive circuits.
• Battery-powered devices requiring stable 5V supply.
• Constant 5V output for sensors and other peripherals in embedded systems.

Package and Quality

The L7805CY voltage regulator is available in a TO-220 package, which is designed for easy mounting and optimal heat dissipation. STMicroelectronics is committed to delivering high-quality products, and the L7805CY is no exception, meeting stringent industry standards for performance and reliability.