onsemi

LM2931CT

LM2931CT Description

The LM2931CT is a linear positive adjustable voltage regulator designed for a wide range of power management applications. Manufactured by onsemi, this regulator offers a robust and reliable solution for voltage regulation needs. The LM2931CT features an adjustable output voltage range from 2.7V to 29.5V, making it highly versatile for various electronic systems. It can handle a maximum input voltage of 26V and provides a stable output current of up to 100mA. The regulator is housed in a Through Hole TO220-5 package, which ensures efficient heat dissipation and mechanical stability.

LM2931CT Features

• Adjustable Output Voltage: The LM2931CT offers an adjustable output voltage range from 2.7V to 29.5V, providing flexibility to meet diverse application requirements.
• High Input Voltage Capability: With a maximum input voltage of 26V, the regulator can operate in systems with higher voltage sources, ensuring compatibility with a wide range of power supplies.
• Low Dropout Voltage: The maximum dropout voltage of 0.6V at 100mA ensures efficient operation even when the input voltage is close to the output voltage, minimizing power loss.
• Low Quiescent Current: The regulator has a low quiescent current of 1mA, which is ideal for battery-powered applications where power efficiency is critical.
• Over Current and Over Temperature Protection: These protection features safeguard the regulator and connected circuits from damage due to excessive current or temperature, enhancing reliability and longevity.
• Moisture Sensitivity Level 1: The MSL 1 (Unlimited) rating indicates that the LM2931CT is suitable for use in environments with varying humidity levels without the need for special handling.
• Through Hole Mounting: The Through Hole mounting type ensures mechanical stability and ease of integration into printed circuit boards.

LM2931CT Applications

The LM2931CT is ideal for a variety of applications where stable voltage regulation is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as radios, portable audio equipment, and small appliances where a stable and adjustable voltage supply is required.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that demand reliable power management.
• Telecommunications: Can be used in low-power communication devices and infrastructure components that require efficient voltage regulation.
• Automotive Electronics: Applicable in automotive systems where a wide input voltage range and low dropout voltage are necessary for stable operation.

Conclusion of LM2931CT

The LM2931CT is a versatile and reliable linear positive adjustable voltage regulator that offers a wide range of features and benefits. Its adjustable output voltage, high input voltage capability, and low dropout voltage make it suitable for a variety of applications. The inclusion of over current and over temperature protection ensures robustness and reliability, while the low quiescent current makes it ideal for battery-powered devices. Despite being marked as obsolete, the LM2931CT remains a valuable component for engineers and designers seeking a dependable power management solution.