Texas Instruments

LP3891ES-1.2/NOPB  

Linear & Switching Voltage Regulators

LP3891ES-1.2/NOPB Description

The LP3891ES-1.2/NOPB 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 operation even at high output currents. With a maximum dropout voltage of 0.4V at 800mA, it is ideal for applications where input voltage is close to the desired output voltage. The regulator features a maximum input voltage of 5.5V, making it suitable for a wide range of power supply scenarios.

LP3891ES-1.2/NOPB Features

• Output Type: Fixed at 1.2V, providing a stable and reliable power source.
• Input Voltage Range: Up to 5.5V, allowing flexibility in power supply design.
• Output Current: Capable of delivering up to 800mA, suitable for demanding applications.
• Low Dropout Voltage: Maximum of 0.4V at 800mA, enhancing efficiency in low-headroom applications.
• Low Quiescent Current: Only 30 µA, minimizing power consumption in standby mode.
• High PSRR: Ranging from 80dB at 120Hz to 65dB at 1kHz, ensuring excellent noise rejection.
• Protection Features: Over current, over temperature, short circuit, and under voltage lockout (UVLO) protect the device and connected components from damage.
• Control Features: Enable functionality allows for precise control over the regulator's operation.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Mounting Type: Surface mount, suitable for compact and high-density PCB designs.
• Package: Supplied in a tube, facilitating easy handling and integration.

LP3891ES-1.2/NOPB Applications

The LP3891ES-1.2/NOPB is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, portable electronics, and systems where input voltage may vary. The regulator's ability to deliver up to 800mA of current ensures it can power demanding components such as microcontrollers, sensors, and communication modules. Its low quiescent current and enable feature make it suitable for applications requiring low power consumption in standby mode. The comprehensive protection features ensure robustness and reliability in harsh operating conditions.

Conclusion of LP3891ES-1.2/NOPB

The LP3891ES-1.2/NOPB from Texas Instruments stands out as a reliable and efficient linear voltage regulator. Its combination of a fixed 1.2V output, low dropout voltage, and high PSRR makes it an excellent choice for applications where power efficiency and noise rejection are critical. The regulator's comprehensive protection features and low quiescent current further enhance its suitability for a wide range of electronic systems. Whether powering portable devices or sensitive electronics, the LP3891ES-1.2/NOPB delivers stable and efficient performance, making it a standout solution in the linear voltage regulator market.

LP3891ES-1.2/NOPB Documents

Download datasheets and manufacturer documentation for LP3891ES-1.2/NOPB

Datasheets :

LP3891      

HTML Datasheet :

LP3891