onsemi

MC7815AECT

MC7815AECT Description

The MC7815AECT is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 15V and a maximum output current of 1A. This regulator is housed in a TO220-3 package, making it suitable for through-hole mounting. It is designed to operate within an input voltage range up to 35V, ensuring robust performance across a wide range of applications. The regulator features a dropout voltage of 2V at 1A (typical), which is relatively low, allowing it to maintain efficiency even at higher input voltages. The MC7815AECT also includes protection features such as over-temperature and short-circuit protection, enhancing its reliability and safety in various operating conditions.

MC7815AECT Features

• Fixed Output Voltage: The MC7815AECT provides a stable output voltage of 15V, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 35V, this regulator can handle a broad range of input voltages, making it versatile for different power supply scenarios.
• Low Dropout Voltage: A dropout voltage of 2V at 1A (typical) ensures high efficiency and minimal power loss, even when operating near the input voltage limit.
• Protection Features: Over-temperature and short-circuit protection mechanisms safeguard the regulator and connected devices from potential damage.
• Low Quiescent Current: The regulator operates with a quiescent current of 6 mA, minimizing power consumption during standby or low-load conditions.
• High PSRR: A power supply rejection ratio (PSRR) of 58dB at 120Hz ensures that the output voltage remains stable and free from ripple, providing clean power to sensitive circuits.
• Wide Operating Temperature Range: The MC7815AECT operates reliably within a temperature range of 0°C to 125°C, making it suitable for both commercial and industrial applications.
• Through-Hole Mounting: The TO220-3 package is designed for through-hole mounting, providing a secure and durable installation in printed circuit boards.

MC7815AECT Applications

The MC7815AECT is ideal for a variety of applications where a stable and reliable 15V power supply is required. Some specific use cases include:

• Industrial Equipment: Powering actuators, sensors, and control circuits in industrial automation systems.
• Telecommunications: Supplying power to communication modules and interface circuits in telecom infrastructure.
• Consumer Electronics: Providing stable power to devices such as audio amplifiers, set-top boxes, and other consumer electronics that require a fixed 15V supply.
• Automotive Electronics: Used in automotive applications where a reliable power supply is crucial for electronic control units and other automotive electronic systems.
• Medical Devices: Ensuring stable power for medical equipment that requires precise voltage regulation, such as diagnostic tools and monitoring devices.

Conclusion of MC7815AECT

The MC7815AECT is a robust and reliable linear voltage regulator that offers a stable 15V output with a maximum current of 1A. Its low dropout voltage, high PSRR, and comprehensive protection features make it a superior choice for applications requiring a stable and efficient power supply. The wide operating temperature range and through-hole mounting option further enhance its versatility and durability. Despite being marked as obsolete, the MC7815AECT remains a valuable component for engineers and designers seeking a dependable power management solution.