Texas Instruments

LP2980AIM5-4.7

LP2980AIM5-4.7 Description

The LP2980AIM5-4.7 is a fixed-output linear voltage regulator designed by Texas Instruments. It is part of the Linear & Switching Voltage Regulators category and is housed in a compact SOT23-5 package, making it suitable for surface-mount applications. This regulator is designed to provide a stable 4.7V output voltage with a maximum output current of 50mA. It features a low dropout voltage of 0.22V at 50mA, ensuring efficient operation even under low input-to-output voltage differentials.

LP2980AIM5-4.7 Features

• Output Type: Fixed at 4.7V, ensuring a stable and reliable voltage supply for various electronic circuits.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power supply design.
• Output Current: Delivers a maximum output current of 50mA, suitable for low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.22V at 50mA, the LP2980AIM5-4.7 maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: Consumes only 95 µA of quiescent current, making it ideal for battery-powered and low-power consumption applications.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 63dB at 1kHz, ensuring minimal noise and ripple on the output voltage.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection, safeguarding the regulator and downstream components from damage.
• Control Features: Equipped with an enable feature, allowing for dynamic control of the regulator's operation.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating that the component is not moisture-sensitive and can be stored without special precautions.
• Package: Supplied in a Tape & Reel (TR) format, facilitating automated assembly processes.

LP2980AIM5-4.7 Applications

The LP2980AIM5-4.7 is well-suited for a variety of applications where a stable and efficient voltage supply is required. Its low dropout voltage and low quiescent current make it particularly ideal for battery-powered devices and low-power systems. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics such as handheld devices, remote sensors, and wearable technology where battery life and efficiency are critical.
• Low-Power Systems: Suitable for applications requiring minimal power consumption, such as IoT devices, microcontrollers, and embedded systems.
• Consumer Electronics: Can be used in various consumer electronics where a stable 4.7V supply is needed, such as in audio equipment, LED drivers, and small appliances.
• Industrial Applications: Applicable in industrial control systems, instrumentation, and automation equipment where reliability and efficiency are paramount.

Conclusion of LP2980AIM5-4.7

The LP2980AIM5-4.7 from Texas Instruments is a robust and efficient linear voltage regulator designed for low-power applications. Its fixed 4.7V output, low dropout voltage, and low quiescent current make it an excellent choice for battery-powered and energy-efficient systems. The inclusion of over-current, over-temperature, and short-circuit protection ensures reliability and longevity in various operating conditions. Despite being marked as obsolete, the LP2980AIM5-4.7 remains a viable option for designers seeking a compact, efficient, and reliable voltage regulator for their projects.