onsemi

MC7815ECT

MC7815ECT Description

The MC7815ECT is a linear voltage regulator designed to provide a stable 15V output with a maximum current capacity of 1A. Manufactured by onsemi, this regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a TO-220-3 package. Despite being marked as obsolete, the MC7815ECT remains a reliable choice for applications requiring a fixed positive voltage output. It features a maximum input voltage of 35V and a dropout voltage of 2V at 1A, ensuring efficient operation even under varying input conditions. The regulator operates within a temperature range of 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications. Additional features include over-temperature and short-circuit protection, enhancing its robustness and reliability.

MC7815ECT Features

• Fixed Output Voltage: The MC7815ECT provides a stable 15V output, ensuring consistent power supply to connected devices.
• High Current Capability: With a maximum output current of 1A, this regulator can support a variety of applications requiring moderate power levels.
• Low Dropout Voltage: A maximum dropout voltage of 2V at 1A ensures high efficiency, especially in applications with varying input voltages.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 35V, providing flexibility in power supply design.
• Over-Temperature and Short-Circuit Protection: These protection features enhance the reliability and longevity of the regulator, safeguarding it against common failure modes.
• Low Quiescent Current: A quiescent current of 8 mA minimizes power consumption during standby conditions, contributing to overall system efficiency.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 70dB at 120Hz ensures minimal noise and ripple in the output voltage, providing clean power to sensitive circuits.
• Through Hole Mounting: The through-hole mounting type facilitates easy integration into PCB designs and ensures mechanical stability.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, reducing the risk of damage during storage and handling.

MC7815ECT Applications

The MC7815ECT is ideal for a variety of applications where a stable 15V supply is required. Some specific use cases include:

• Industrial Control Systems: Providing a reliable power source for sensors, actuators, and control modules.
• Consumer Electronics: Powering devices such as radios, amplifiers, and other audio equipment.
• Telecommunications: Supplying power to low-power communication modules and interfaces.
• Automotive: Used in vehicle electronic systems where a stable 15V supply is necessary for various components.
• Medical Devices: Ensuring stable power for low-power medical equipment, contributing to reliable operation.

Conclusion of MC7815ECT

The MC7815ECT, despite being marked as obsolete, remains a robust and reliable choice for applications requiring a stable 15V output. Its low dropout voltage, wide input voltage range, and protection features make it a versatile and efficient regulator. With a quiescent current of 8 mA and a high PSRR, it ensures minimal power loss and clean power delivery. The through-hole mounting and moisture sensitivity level of 1 (Unlimited) further enhance its usability in various industrial and consumer applications. For designers and engineers seeking a reliable and efficient linear regulator, the MC7815ECT offers a proven solution.