Texas Instruments

LP5951MGX-2.5

LP5951MGX-2.5 Description

The LP5951MGX-2.5 is a fixed-output linear voltage regulator designed by Texas Instruments. It offers a stable 2.5V output voltage with a maximum output current of 150mA. This regulator is optimized for low power consumption, with a maximum supply current of 70 µA and a quiescent current of 55 µA. The LP5951MGX-2.5 is housed in a compact SC70-5 package, making it suitable for space-constrained applications. Despite its small size, it provides robust protection features, including over-current, over-temperature, and short-circuit protection.

LP5951MGX-2.5 Features

• Fixed Output Voltage: The LP5951MGX-2.5 provides a stable 2.5V output voltage, ensuring consistent power delivery to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 150mA, this regulator can maintain its output voltage even when the input voltage is close to the output voltage, enhancing efficiency in low-voltage applications.
• Low Quiescent Current: The 55 µA quiescent current ensures minimal power consumption, making it ideal for battery-powered and low-power applications.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator's operation, enabling power savings and flexible system design.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure reliable operation and protect against potential faults.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 60dB to 50dB across a frequency range of 100Hz to 10kHz, minimizing the impact of input voltage noise on the output.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, reducing the risk of damage during manufacturing processes.
• Surface Mount Packaging: The SC70-5 package is designed for surface mount technology, facilitating automated assembly and compact board designs.

LP5951MGX-2.5 Applications

The LP5951MGX-2.5 is well-suited for a variety of applications requiring a stable 2.5V supply with low power consumption. Key applications include:

• Battery-Powered Devices: Ideal for portable electronics where low power consumption and small form factor are critical.
• Low-Power Systems: Suitable for applications such as IoT devices, wearables, and other low-power embedded systems.
• Consumer Electronics: Can be used in devices requiring a stable power supply, such as smartphones, tablets, and digital cameras.
• Industrial Controls: Provides a reliable power source for sensors, microcontrollers, and other low-power components in industrial environments.

Conclusion of LP5951MGX-2.5

The LP5951MGX-2.5 from Texas Instruments is a high-performance linear voltage regulator that offers a stable 2.5V output with low power consumption and robust protection features. Its low dropout voltage and high PSRR make it suitable for a wide range of applications, particularly those requiring efficient power management and compact design. While the product is now obsolete, its technical specifications and performance benefits make it a reliable choice for existing designs and legacy systems. For new projects, engineers may consider exploring alternative models from Texas Instruments that offer similar or enhanced capabilities.