Texas Instruments

LP3856ES-ADJ  

Linear & Switching Voltage Regulators

LP3856ES-ADJ Description

The LP3856ES-ADJ is a linear positive adjustable voltage regulator designed by Texas Instruments, offering a robust solution for power management applications. This regulator is capable of delivering up to 3A of output current with an input voltage range up to 7V. The adjustable output voltage ranges from 1.23V to 6.5V, making it highly versatile for various electronic systems. The LP3856ES-ADJ features a low dropout voltage of 0.6V at 3A, ensuring efficient power conversion even under heavy load conditions.

LP3856ES-ADJ Features

• Adjustable Output Voltage: The LP3856ES-ADJ provides an adjustable output voltage from 1.23V to 6.5V, offering flexibility for a wide range of applications.
• High Current Capability: With a maximum output current of 3A, this regulator is suitable for high-power applications.
• Low Dropout Voltage: The maximum dropout voltage of 0.6V at 3A ensures high efficiency, especially in low-voltage systems.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and controlled startup sequences.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure reliable operation and protect the regulator from damage.
• Low Quiescent Current: The quiescent current of only 4 mA minimizes power consumption during standby or low-load conditions.
• High PSRR: The power supply rejection ratio (PSRR) ranges from 73dB to 57dB at 120Hz, providing excellent noise suppression and stable output voltage.
• Surface Mount Package: The surface mount package type facilitates easy integration into compact and high-density PCB designs.

LP3856ES-ADJ Applications

The LP3856ES-ADJ is ideal for a variety of applications requiring a reliable and efficient power supply solution. Some specific use cases include:

• Consumer Electronics: Ideal for powering high-current devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial control systems, automated machinery, and other applications requiring stable and efficient power regulation.
  -Telecommunications: Can be used in base stations, routers, and other telecom equipment where high current and low dropout voltage are critical.
• Automotive Electronics: Applicable in automotive systems such as infotainment units, electronic control units (ECUs), and other high-current applications.

Conclusion of LP3856ES-ADJ

The LP3856ES-ADJ from Texas Instruments is a high-performance linear voltage regulator designed to meet the demands of modern electronic systems. Its adjustable output voltage, high current capability, and low dropout voltage make it a versatile and efficient solution for a wide range of applications. The inclusion of advanced protection features and low quiescent current further enhance its reliability and efficiency. Despite being marked as obsolete, the LP3856ES-ADJ remains a valuable component for designers seeking a robust and flexible power management solution.

LP3856ES-ADJ Documents

Download datasheets and manufacturer documentation for LP3856ES-ADJ