Texas Instruments

LP38859SX-1.2/NOPB  

Linear & Switching Voltage Regulators

LP38859SX-1.2/NOPB Description

The LP38859SX-1.2/NOPB is a high-performance linear voltage regulator designed by Texas Instruments, specifically tailored for applications requiring a fixed output voltage of 1.2V and a maximum output current of 3A. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount DDPAK/TO263-5 package, making it suitable for compact and efficient power solutions.

LP38859SX-1.2/NOPB Features

• Output Type: Fixed output voltage of 1.2V, ensuring stable power supply to sensitive electronic components.
• Input Voltage Range: Capable of operating with a maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current: Delivers a robust 3A output current, making it ideal for high-current applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.45V at 3A ensures high efficiency, even at low input-to-output voltage differentials.
• Control Features: Includes a soft start feature to prevent inrush currents during startup, enhancing system reliability.
• Protection Features: Equipped with over-current, over-temperature, short-circuit, and under-voltage lockout (UVLO) protections to safeguard the regulator and connected circuits.
• Power Supply Current: Maximum supply current of 15 mA, ensuring minimal power consumption during operation.
• Quiescent Current: Low quiescent current of 8.5 mA, contributing to overall system efficiency.
• PSRR: High power supply rejection ratio (PSRR) ranging from 80dB at 120Hz to 65dB at 1kHz, ensuring clean output voltage.
• Compliance and Status: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met. The product is currently active and available for integration.

LP38859SX-1.2/NOPB Applications

The LP38859SX-1.2/NOPB is well-suited for a variety of applications where a reliable and efficient power supply is critical. Key use cases include:

• Consumer Electronics: Ideal for powering high-current components in devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial applications requiring stable power supply, such as PLCs, sensors, and actuators.
• Telecommunications: Provides a reliable power solution for base stations, routers, and other telecom equipment.
• Automotive: Can be used in automotive electronics for infotainment systems, ECUs, and other high-current applications.
• Medical Devices: Ensures stable power supply for medical equipment such as diagnostic devices and monitoring systems.

Conclusion of LP38859SX-1.2/NOPB

The LP38859SX-1.2/NOPB from Texas Instruments stands out as a reliable and efficient linear voltage regulator, offering a fixed 1.2V output with a robust 3A current capability. Its low dropout voltage and comprehensive protection features make it a superior choice for applications requiring high efficiency and reliability. The inclusion of soft start and advanced protection mechanisms ensures system stability and longevity. With its compact Surface Mount package and compliance with environmental standards, the LP38859SX-1.2/NOPB is an excellent choice for a wide range of applications in consumer electronics, industrial, telecommunications, automotive, and medical sectors.

LP38859SX-1.2/NOPB Documents

Download datasheets and manufacturer documentation for LP38859SX-1.2/NOPB

Datasheets :

LP38859      

Design Resources :

LP38859 Design with WEBENCH® Power Designer      

HTML Datasheet :

LP38859