Texas Instruments

LP2951CSDX  

Linear & Switching Voltage Regulators

LP2951CSDX Description

The LP2951CSDX is a linear positive adjustable voltage regulator designed for a wide range of power management applications. Manufactured by Texas Instruments, this regulator offers a maximum input voltage of 30V and can deliver up to 100mA of output current. It features a single regulator with a positive output configuration and an adjustable output voltage ranging from 1.235V to 29V. The LP2951CSDX is housed in a surface-mount 8-lead WSON package, making it suitable for compact designs. Despite being marked as obsolete, it remains a reliable choice for applications requiring a low dropout voltage and robust protection features.

LP2951CSDX Features

• Adjustable Output Voltage: The LP2951CSDX provides an adjustable output voltage range from 1.235V to 29V, making it highly versatile for various power supply needs.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 100mA, this regulator ensures efficient power delivery even under low input-to-output voltage differentials.
• High Input Voltage Range: Capable of handling input voltages up to 30V, the LP2951CSDX is suitable for applications with wide input voltage variations.
• Protection Features: Integrated over-current, over-temperature, and short-circuit protection ensure reliable operation and protect the regulator from damage.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and controlled startup/shutdown sequences.
• Low Quiescent Current: A quiescent current of 120 µA minimizes power consumption in standby mode, enhancing overall system efficiency.
• Surface Mount Package: The 8-lead WSON package is ideal for surface-mount technology, facilitating compact and reliable PCB designs.

LP2951CSDX Applications

The LP2951CSDX is well-suited for a variety of applications where a reliable and efficient power supply is required. Its adjustable output voltage and low dropout characteristics make it ideal for:

• Battery-powered Devices: Ensuring efficient power delivery even as the battery voltage drops.
• Industrial Control Systems: Providing stable power supply for sensors, actuators, and control circuits.
• Telecommunications: Powering low-power communication modules and peripherals.
• Consumer Electronics: Suitable for portable devices, chargers, and other applications requiring compact and efficient power management.

Conclusion of LP2951CSDX

The LP2951CSDX from Texas Instruments is a robust and versatile linear voltage regulator that offers a wide range of features and benefits. Its adjustable output voltage, low dropout performance, and comprehensive protection features make it an excellent choice for a variety of power management applications. Despite its obsolete status, the LP2951CSDX remains a reliable and efficient solution for designers seeking a compact, high-performance regulator.

LP2951CSDX Documents

Download datasheets and manufacturer documentation for LP2951CSDX

Datasheets :

LP2950,51      

HTML Datasheet :

LP2950,51