Texas Instruments

LP3990MF-2.8/NOPB  

Linear & Switching Voltage Regulators

LP3990MF-2.8/NOPB Description

The LP3990MF-2.8/NOPB is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 2.8V and a maximum output current of 150mA. This regulator is optimized for low dropout operation, with a maximum dropout voltage of 0.2V at 150mA, making it ideal for applications where input voltage is close to the output voltage. The device features a maximum input voltage of 6V and a quiescent current of 80 µA, ensuring efficient power management. The LP3990MF-2.8/NOPB is housed in a compact SOT23-5 package, suitable for surface mount applications, and is REACH unaffected and ROHS3 compliant, adhering to stringent environmental standards.

LP3990MF-2.8/NOPB Features

• Fixed Output Voltage: 2.8V, ensuring stable power supply for sensitive electronic components.
• Low Dropout Voltage: Maximum of 0.2V at 150mA, enabling efficient operation even with low input-to-output voltage differentials.
• High Efficiency: With a quiescent current of 80 µA, the regulator minimizes power consumption, making it suitable for battery-powered devices.
• Protection Features: Over-temperature and short-circuit protection ensure robustness and reliability in various operating conditions.
• Enable Control: The regulator includes an enable feature, allowing for dynamic control of the output voltage, which is beneficial for power sequencing and power management applications.
• High PSRR: The regulator offers a power supply rejection ratio (PSRR) of 55dB to 35dB across a frequency range of 1kHz to 10kHz, ensuring minimal noise and ripple in the output voltage.
• Compact Size: The SOT23-5 package is ideal for space-constrained designs, facilitating integration into small form factor devices.
• Environmental Compliance: The LP3990MF-2.8/NOPB is REACH unaffected and ROHS3 compliant, ensuring it meets global environmental regulations.

LP3990MF-2.8/NOPB Applications

The LP3990MF-2.8/NOPB is well-suited for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and compact size make it particularly ideal for:

• Battery-Powered Devices: Such as portable electronics, where the input voltage can drop close to the required output voltage.
• Wearable Technology: The small form factor and low power consumption are crucial for wearable devices that require long battery life.
• Medical Devices: The stability and reliability of the regulator are essential for medical equipment that demands precise power management.
• Industrial Control Systems: The robust protection features and high PSRR make it suitable for industrial applications where noise and reliability are critical.
• Consumer Electronics: Ideal for devices that require a stable power supply and efficient power management, such as smartphones, tablets, and IoT devices.

Conclusion of LP3990MF-2.8/NOPB

The LP3990MF-2.8/NOPB from Texas Instruments stands out as a versatile and efficient linear voltage regulator. Its low dropout voltage, high PSRR, and compact size make it an excellent choice for a wide range of applications, particularly in portable and space-constrained devices. The inclusion of over-temperature and short-circuit protection ensures reliability, while the enable control feature offers flexibility in power management. With its environmental compliance and robust performance, the LP3990MF-2.8/NOPB is a reliable solution for modern electronic designs, ensuring stable power supply and efficient operation.

LP3990MF-2.8/NOPB Documents

Download datasheets and manufacturer documentation for LP3990MF-2.8/NOPB

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LP3990      

PCN Packaging :

Pin One Dot 07/Jan/2019      

PCN Design/Specification :

Cu Wire Bond 14/May/2013