Texas Instruments

LP38855T-1.2/NOPB  

Linear & Switching Voltage Regulators

LP38855T-1.2/NOPB Description

The LP38855T-1.2/NOPB is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 1.2V and capable of delivering up to 1.5A of output current. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Through Hole TO220-5 package, making it suitable for a wide range of applications where reliability and efficiency are paramount. The regulator is designed to operate with an input voltage range up to 5.5V, ensuring compatibility with various power sources. With a low dropout voltage of 0.18V at 1.5A, the LP38855T-1.2/NOPB can maintain regulation even under low input-to-output voltage differentials, enhancing overall system efficiency.

LP38855T-1.2/NOPB Features

• Fixed Output Voltage: The LP38855T-1.2/NOPB provides a stable 1.2V output voltage, ideal for applications requiring precise power supply levels.
• High Output Current: Capable of delivering up to 1.5A, this regulator supports high-current applications, ensuring reliable power delivery to demanding loads.
• Low Dropout Voltage: With a maximum dropout voltage of 0.18V at 1.5A, the regulator maintains efficiency even when the input voltage is close to the output voltage.
• Enable Control Feature: The enable control feature allows for dynamic control of the regulator’s operation, enabling power savings and flexible system management.
• Protection Features: The regulator includes comprehensive protection features such as over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO), ensuring robustness and reliability in various operating conditions.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 80dB at 120Hz to 65dB at 1kHz, effectively filtering out noise from the input supply and ensuring a clean output voltage.
• Low Quiescent Current: The regulator operates with a low quiescent current of 300 µA, minimizing power consumption during standby or low-load conditions.
• Compliance and Packaging: The LP38855T-1.2/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is packaged in a tube format, facilitating easy handling and integration into manufacturing processes.

LP38855T-1.2/NOPB Applications

The LP38855T-1.2/NOPB is ideal for a variety of applications where a stable and efficient power supply is essential. Key applications include:

• Consumer Electronics: Ideal for powering sensitive electronic components in devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for powering control systems, sensors, and actuators in industrial environments where reliability and efficiency are critical.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment to provide stable power to critical components.
• Automotive Electronics: Applicable in automotive systems where precise voltage regulation and high current capabilities are required.
• Medical Devices: Suitable for powering medical equipment that demands high reliability and low noise, such as diagnostic devices and monitoring systems.

Conclusion of LP38855T-1.2/NOPB

The LP38855T-1.2/NOPB from Texas Instruments stands out as a highly efficient and reliable linear regulator, offering a combination of high output current, low dropout voltage, and comprehensive protection features. Its fixed 1.2V output voltage and low quiescent current make it an excellent choice for applications requiring stable power delivery with minimal power consumption. The enable control feature and high PSRR further enhance its flexibility and performance, making it a superior choice over similar models. Whether used in consumer electronics, industrial equipment, or other demanding applications, the LP38855T-1.2/NOPB ensures reliable and efficient power management.

LP38855T-1.2/NOPB Documents

Download datasheets and manufacturer documentation for LP38855T-1.2/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

Models :

LP38855T-1.2/NOPB Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)