Texas Instruments

LP3891EMR-1.2  

Linear & Switching Voltage Regulators

LP3891EMR-1.2 Description

The LP3891EMR-1.2 is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 1.2V and capable of delivering up to 800mA of output current. This regulator is optimized for low dropout voltage, ensuring efficient power conversion even at high load currents. With a maximum input voltage of 5.5V and a dropout voltage of only 0.43V at 800mA, the LP3891EMR-1.2 is ideal for applications requiring high efficiency and minimal power loss.

LP3891EMR-1.2 Features

• Output Type: Fixed at 1.2V, ensuring stable power supply for sensitive electronic components.
• Input Voltage Range: Up to 5.5V, providing flexibility for various input power sources.
• Output Current Capability: 800mA, suitable for powering demanding devices.
• Low Dropout Voltage: 0.43V at 800mA, enhancing efficiency and reducing power dissipation.
• Quiescent Current: As low as 30 µA, minimizing power consumption during standby.
• Power Supply Current: 8 mA max, ensuring efficient operation.
• Control Features: Enable function allows for dynamic control of the regulator's operation.
• Protection Features: Comprehensive protection against overcurrent, overtemperature, short circuit, and under-voltage lockout (UVLO) ensures robust and reliable performance.
• Package Type: Surface mount in a Tube package, suitable for compact and high-density designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for various manufacturing environments.

LP3891EMR-1.2 Applications

The LP3891EMR-1.2 is well-suited for a wide range of applications where stable and efficient power regulation is critical. Its low dropout voltage and high output current make it ideal for:

• Consumer Electronics: Portable devices, smartphones, and tablets.
• Industrial Equipment: Control systems, sensors, and actuators.
• Telecommunications: Base stations, routers, and network switches.
• Automotive Electronics: In-vehicle infotainment systems and electronic control units.
• Medical Devices: Portable medical equipment and diagnostic tools.

Conclusion of LP3891EMR-1.2

The LP3891EMR-1.2 from Texas Instruments is a versatile and efficient linear voltage regulator that offers a fixed 1.2V output with a maximum output current of 800mA. Its low dropout voltage and comprehensive protection features make it a reliable choice for a variety of applications. The enable control function and surface mount package further enhance its flexibility and ease of integration into modern electronic designs. With its ROHS3 compliance and REACH unaffected status, the LP3891EMR-1.2 is not only a high-performance solution but also an environmentally responsible choice for power regulation needs.

LP3891EMR-1.2 Documents

Download datasheets and manufacturer documentation for LP3891EMR-1.2

Datasheets :

LP3891      

PCN Obsolescence/ EOL :

EOL 18/Sept/2023      

HTML Datasheet :

LP3891