STMicroelectronics

L78M15CV-DG

L78M15CV-DG Description

The L78M15CV-DG is a fixed linear voltage regulator designed by STMicroelectronics, offering a stable output voltage of 15V and a maximum output current of 500mA. This regulator is housed in a TO-220 package, making it suitable for through-hole mounting. It is designed to operate within an input voltage range up to 35V, ensuring reliable performance across a wide range of input conditions. The L78M15CV-DG features a quiescent current of 6mA, which is relatively low, contributing to its efficiency. It also boasts a Power Supply Rejection Ratio (PSRR) of 54dB at 120Hz, which helps in maintaining a stable voltage output even in the presence of input voltage fluctuations.

L78M15CV-DG Features

The L78M15CV-DG is equipped with several protection features that enhance its robustness and reliability. These include over-current protection, over-temperature protection, and short-circuit protection, which safeguard the regulator and the connected circuitry from potential damage. The regulator operates within a temperature range of 0°C to 150°C, making it suitable for applications in harsh environments. Additionally, the L78M15CV-DG is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. Its moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for storage and handling without special precautions.

L78M15CV-DG Applications

The L78M15CV-DG is ideal for applications requiring a stable 15V supply with moderate current requirements. Its fixed output voltage and robust protection features make it suitable for use in power supplies, consumer electronics, and industrial control systems. The regulator's ability to operate within a wide temperature range and its compliance with environmental standards make it a versatile choice for various industries. Specific use cases include:

• Power Supplies: Providing a stable voltage source for electronic devices.
• Consumer Electronics: Ensuring reliable power delivery in devices such as radios, amplifiers, and small appliances.
• Industrial Control Systems: Offering stable power for control modules and sensors in industrial environments.

Conclusion of L78M15CV-DG

The L78M15CV-DG is a reliable and efficient linear voltage regulator that offers a stable 15V output with a maximum current of 500mA. Its robust protection features, wide operating temperature range, and compliance with environmental standards make it a suitable choice for a variety of applications. Despite being marked as obsolete, the L78M15CV-DG remains a valuable component for applications where its specific voltage and current requirements are needed. Its low quiescent current and high PSRR further enhance its performance, making it a preferred choice for applications requiring stable and efficient power regulation.