Texas Instruments

LP2956IN

LP2956IN Description

The LP2956IN is a linear positive adjustable voltage regulator designed by Texas Instruments, offering a versatile solution for power management applications. This regulator supports an adjustable output voltage ranging from 1.23V to 29V, making it suitable for a wide array of electronic devices requiring precise voltage control. The LP2956IN can handle a maximum input voltage of 30V and provides a stable output current of up to 250mA. It features a low dropout voltage of 0.8V at 250mA, ensuring efficient power regulation even under high-load conditions.

The regulator is housed in a through-hole 16DIP package, which is ideal for applications requiring robust mechanical stability and ease of integration into printed circuit boards. The LP2956IN also includes several protection features such as over-current, over-temperature, and reverse polarity protection, enhancing its reliability and longevity in various operating environments.

LP2956IN Features

• Adjustable Output Voltage: The LP2956IN offers an adjustable output voltage range from 1.23V to 29V, providing flexibility for diverse applications.
• High Input Voltage Capability: With a maximum input voltage of 30V, the regulator can accommodate a wide range of power sources.
• Low Dropout Voltage: The maximum dropout voltage of 0.8V at 250mA ensures efficient power regulation, even at high current loads.
• Dual Regulators: The inclusion of two regulators allows for simultaneous power management of multiple circuits.
• Protection Features: Over-current, over-temperature, and reverse polarity protection enhance the regulator’s durability and safety.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator’s operation, optimizing power consumption.
• Low Quiescent Current: The regulator operates with a low quiescent current of 280 µA, minimizing power loss during standby.
• Compliance and Packaging: The LP2956IN is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is packaged in a tube, facilitating easy storage and handling.

LP2956IN Applications

The LP2956IN is ideal for applications requiring precise and stable voltage regulation. Its adjustable output voltage and high input voltage capability make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power supply for sensors, actuators, and control systems.
• Telecommunications: Ensuring reliable power management in routers, switches, and other networking equipment.
• Medical Devices: Supplying regulated power to diagnostic equipment and portable medical devices.
• Automotive Electronics: Powering infotainment systems, electronic control units, and other automotive applications.

Conclusion of LP2956IN

The LP2956IN from Texas Instruments is a robust and versatile linear voltage regulator, offering adjustable output voltage, low dropout voltage, and comprehensive protection features. Its ability to handle high input voltages and provide stable power regulation makes it an ideal choice for a wide range of applications. Despite being marked as obsolete, the LP2956IN remains a reliable option for power management solutions, especially in environments requiring precise voltage control and high reliability.