onsemi

LM7815CT

LM7815CT Description

The LM7815CT is a fixed output voltage linear regulator designed for a wide range of power management applications. Manufactured by onsemi, this IC offers a robust and reliable solution for providing a stable 15V output at a maximum current of 1A. The LM7815CT is housed in a through-hole TO220-3 package, making it suitable for both prototyping and production environments. Despite its obsolete status, the LM7815CT remains a viable option for applications requiring a simple, effective power regulation solution.

LM7815CT Features

• Output Type: Fixed output voltage at 15V, ensuring consistent power delivery.
• Input Voltage Range: Capable of handling input voltages up to 35V, providing flexibility in power supply design.
• Output Current: Delivers up to 1A of output current, suitable for a variety of low to medium power applications.
• Low Dropout Voltage: A maximum dropout voltage of 2V at 1A (typical) ensures efficient power conversion even at low input-to-output voltage differentials.
• Protection Features: Equipped with over-temperature and short-circuit protection, enhancing reliability and longevity.
• Low Quiescent Current: Consumes only 8 mA of quiescent current, minimizing power loss during operation.
• High PSRR: Achieves a power supply rejection ratio (PSRR) of 70dB at 120Hz, effectively filtering out noise and ripple from the input supply.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating the device is not sensitive to moisture, suitable for various environmental conditions.
• Package Type: Supplied in a tube package, facilitating easy handling and storage.

LM7815CT Applications

The LM7815CT is ideal for applications requiring a stable 15V supply, such as:

• Consumer Electronics: Powering small appliances and devices that require a regulated 15V supply.
• Industrial Equipment: Providing stable power to sensors, actuators, and control systems.
• Telecommunications: Supplying power to low-power communication modules and peripherals.
• Medical Devices: Ensuring reliable power delivery to medical instruments and monitoring equipment.
• Automotive: Suitable for auxiliary power supplies in vehicles, such as dashboard electronics and infotainment systems.

Conclusion of LM7815CT

The LM7815CT is a versatile and reliable linear regulator that offers a fixed 15V output with a maximum current of 1A. Its low dropout voltage, high PSRR, and protection features make it an excellent choice for applications requiring stable power delivery. Despite being marked as obsolete, the LM7815CT remains a valuable component for designers seeking a straightforward and efficient power regulation solution. Its through-hole TO220-3 package and robust protection mechanisms ensure ease of integration and long-term reliability.