onsemi

LM2931CTV

LM2931CTV Description

The LM2931CTV is a high-performance linear voltage regulator designed for applications requiring low dropout voltage and adjustable output voltage. Manufactured by onsemi, this regulator is part of the Power Management (PMIC) category and is known for its robust performance and versatility. The LM2931CTV features an adjustable output voltage ranging from 2.7V to 29.5V, making it suitable for a wide range of applications. It supports a maximum input voltage of 40V and can deliver up to 100mA of output current. The regulator's low dropout voltage of 0.6V at 100mA ensures efficient operation even at low input-to-output voltage differentials. Additionally, the LM2931CTV includes protection features such as over-current and over-temperature protection, enhancing its reliability and safety in various operating conditions.

LM2931CTV Features

• Adjustable Output Voltage: The LM2931CTV offers an adjustable output voltage range from 2.7V to 29.5V, providing flexibility for different power requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 100mA, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
• High Input Voltage Capability: The regulator can handle input voltages up to 40V, making it suitable for applications with wide input voltage ranges.
• Protection Features: Integrated over-current and over-temperature protection ensure the regulator's safety and reliability in various operating conditions.
• Inhibit Control Feature: The inhibit control feature allows for easy shutdown of the regulator, reducing power consumption when not in use.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 90dB at 120Hz, ensuring stable output voltage under varying input conditions.
• Low Quiescent Current: The regulator operates with a low quiescent current of 1mA, minimizing power loss and improving overall efficiency.
• Through Hole Mounting: The through-hole mounting type facilitates easy integration into various circuit boards and systems.

LM2931CTV Applications

The LM2931CTV is ideal for a variety of applications where a reliable and efficient voltage regulator is required. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and adjustable output make it suitable for battery-powered applications where input voltage varies.
• Industrial Equipment: The high input voltage capability and protection features make it ideal for industrial applications with demanding power requirements.
• Telecommunications: The regulator's high PSRR and stable output voltage ensure reliable performance in telecommunications equipment.
• Automotive Systems: The robust design and protection features make it suitable for automotive applications where reliability and safety are paramount.

Conclusion of LM2931CTV

The LM2931CTV is a versatile and high-performance linear voltage regulator that offers a range of features and benefits for various power management applications. Its adjustable output voltage, low dropout voltage, and integrated protection features make it a reliable choice for applications requiring efficient and stable power regulation. Despite being marked as obsolete, the LM2931CTV remains a valuable component in the electronics industry, especially for legacy systems and applications where its unique features provide significant advantages.