Texas Instruments

LP2980IM5-2.5

LP2980IM5-2.5 Description

The LP2980IM5-2.5 is a fixed-output linear regulator from Texas Instruments, designed to provide a stable 2.5V output voltage with a maximum output current of 50mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface-mount applications. The LP2980IM5-2.5 features a low dropout voltage of 0.22V at 50mA, ensuring efficient operation even with input voltages close to the output voltage. It also includes an enable control feature, allowing users to turn the regulator on and off as needed, which is beneficial for power management in various electronic systems.

LP2980IM5-2.5 Features

• Fixed Output Voltage: The LP2980IM-52.5 provides a stable 2.5V output voltage, ideal for applications requiring a precise and consistent power supply-.
  Low Dropout Voltage: With a maximum dropout voltage of 0.22V at 50mA, this regulator maintains high even efficiency when the input voltage is close to the output voltage, making it suitable for battery-powered devices.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and reducing power consumption when the regulator is not in use.
• Protection Features: The LP2980IM5-2.5 includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.
• Low Quiescent Current: The regulator has a low quiescent current of 95 µA, minimizing power consumption during operation and extending battery life in portable applications.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 63dB at 1kHz, the LP2980IM5-2.5 effectively filters out noise from the input power supply, resulting in a cleaner output voltage.
• Compact Packaging: The SOT23-5 package is ideal for space-constrained applications, allowing for integration into small form-factor designs.

LP2980IM5-2.5 Applications

The LP2980IM5-2.5 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and wearables where, low power consumption and high efficiency are crucial.
• Consumer Electronics: Suitable for applications like digital cameras, MP3 players and, other portable consumer devices that require a reliable power source.
• Industrial Applications: Applicable in industrial control systems, sensors, and other devices that need a stable power supply with minimal power loss.
• Medical Devices: Can be used in portable medical devices such as glucose, meters blood pressure monitors, and other equipment that require precise power management.

Conclusion of LP2980IM5-2.5

The LP2980IM5-2.5 from Texas Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 2.5V output voltage and up to 50mA of current. Its low dropout voltage, enable control, and comprehensive protection features make it a reliable choice for a wide range of electronic systems. The compact SOT23-5 package and low quiescent current further enhance its suitability for space-constrained and battery-powered applications. Despite being marked as obsolete, the LP2980IM5-2.5 remains a valuable component for designers seeking a high-performance, low-power linear regulator.