onsemi

LM2931ACD

LM2931ACD Description

The LM2931ACD is a linear positive adjustable voltage regulator designed by onsemi. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-pin SOIC package. It features an adjustable output voltage ranging from 2.7V to 29.5V, making it highly versatile for various applications. The LM2931ACD is capable of delivering up to 100mA of output current, with a dropout voltage of only 0.6V at full load, ensuring high efficiency even at low input-to-output voltage differentials.

LM2931ACD Features

• Adjustable Output Voltage: The LM2931ACD offers an adjustable output voltage range from 2.7V to 29.5V, providing flexibility to meet a wide range of application requirements.
• High Input Voltage Capability: With a maximum input voltage of 26V, this regulator can handle a broad spectrum of input sources, making it suitable for both low and high voltage applications.
• Low Dropout Voltage: At 0.6V dropout at 100mA, the LM2931ACD ensures high efficiency and minimal power loss, even under heavy load conditions.
• Over Current and Over Temperature Protection: These protection features safeguard the regulator and connected circuits from damage due to overcurrent and excessive temperature, enhancing reliability and longevity.
• Low Quiescent Current: The regulator operates with a quiescent current of just 1mA, minimizing power consumption during standby or low-load conditions.
• Surface Mount Technology: The LM2931ACD is designed for surface mount applications, facilitating compact and reliable PCB designs.
• Moisture Sensitivity Level 1: This indicates that the component is not moisture sensitive, allowing for unlimited storage and handling without special precautions.

LM2931ACD Applications

The LM2931ACD is ideal for a variety of applications where a reliable and efficient power supply is required. Its adjustable output voltage and low dropout characteristics make it particularly suitable for:

• Battery-Powered Devices: The low dropout voltage ensures that the regulator can continue to operate efficiently even as the battery voltage drops, extending battery life.
• Industrial Control Systems: The high input voltage capability and overcurrent protection make it robust enough for demanding industrial environments.
• Consumer Electronics: The adjustable output voltage and compact surface mount package make it a good fit for space-constrained consumer devices.
• Telecommunications: The regulator's ability to handle a wide range of input voltages and its low quiescent current make it suitable for telecom equipment that requires stable and efficient power management.

Conclusion of LM2931ACD

The LM2931ACD is a versatile and efficient linear voltage regulator that offers a wide range of features and benefits. Its adjustable output voltage, low dropout, and robust protection features make it an excellent choice for a variety of applications. Despite being marked as obsolete, the LM2931ACD remains a reliable solution for designers seeking a high-performance regulator with a proven track record. Its compatibility with surface mount technology and moisture sensitivity level 1 further enhance its appeal for modern electronics manufacturing.