Texas Instruments

LP38853MRX-ADJ/NOPB  

Linear & Switching Voltage Regulators

LP38853MRX-ADJ/NOPB Description

The LP38853MRX-ADJ/NOPB is a high-performance linear regulator from Texas Instruments, designed to provide a stable and adjustable output voltage with a maximum output current of 3A. This device is ideal for applications requiring precise voltage regulation and efficient power management. The regulator operates with an input voltage range up to 5.5V and offers an adjustable output voltage from 0.8V to 1.8V, making it highly versatile for various electronic systems. The LP38853MRX-ADJ/NOPB features a low dropout voltage of 0.45V at 3A, ensuring high efficiency even at low input-to-output voltage differentials. The regulator also boasts a high power supply rejection ratio (PSRR) of 80dB to 70dB across a frequency range of 120Hz to 1kHz, minimizing noise and ripple in the output voltage.

LP38853MRX-ADJ/NOPB Features

• Adjustable Output Voltage: The LP38853MRX-ADJ/NOPB offers an adjustable output voltage range from 0.8V to 1.8V, providing flexibility for various applications.
• High Output Current: With a maximum output current of 3A, this regulator can support high-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.45V at 3A ensures high efficiency, especially in low-voltage applications.
• High PSRR: The regulator features a high power supply rejection ratio of 80dB to 70dB across a frequency range of 120Hz to 1kHz, reducing noise and ripple in the output voltage.
• Control Features: The LP38853MRX-ADJ/NOPB includes enable and soft start features, allowing for precise control over the regulator's operation.
• Protection Features: The device incorporates over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO) protections, ensuring robust and reliable performance.
• Low Quiescent Current: The regulator operates with a low quiescent current of 300 µA, minimizing power consumption in standby mode.
• Surface Mount Package: The LP38853MRX-ADJ/NOPB is available in a surface-mount package, making it suitable for compact and high-density designs.

LP38853MRX-ADJ/NOPB Applications

The LP38853MRX-ADJ/NOPB is well-suited for a variety of applications where precise voltage regulation and high efficiency are critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive electronic components in devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require stable power supply.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment for reliable power management.
• Automotive Electronics: Applicable in automotive systems where high efficiency and low dropout voltage are essential for battery-powered applications.
• Medical Devices: Suitable for medical equipment that demands precise voltage regulation and low noise for accurate measurements and operations.

Conclusion of LP38853MRX-ADJ/NOPB

The LP38853MRX-ADJ/NOPB from Texas Instruments is a versatile and high-performance linear regulator designed to meet the demands of modern electronic systems. Its adjustable output voltage, high output current, low dropout voltage, and high PSRR make it an excellent choice for a wide range of applications. The inclusion of advanced control and protection features ensures reliable and efficient operation, while the surface-mount package allows for compact and high-density designs. The LP38853MRX-ADJ/NOPB stands out in the market due to its unique combination of performance benefits and robust protection mechanisms, making it an ideal solution for engineers and designers seeking a reliable and efficient power management solution.

LP38853MRX-ADJ/NOPB Documents

Download datasheets and manufacturer documentation for LP38853MRX-ADJ/NOPB

Datasheets :

LP38853      

Design Resources :

LP38853 Design with WEBENCH® Power Designer