Texas Instruments

LP2981IM5X-36C

LP2981IM5X-36C Description

The LP2981IM5X-36C is a high-performance, low-dropout linear regulator designed by Texas Instruments, offering a fixed 3.6V output voltage. This regulator is ideal for applications requiring a stable power supply with minimal power dissipation and high efficiency. It features a quiescent current of only 125 µA, making it suitable for battery-powered devices where power conservation is critical. The regulator's ability to operate with a maximum input voltage of 16V and deliver up to 100mA of output current ensures it can handle a wide range of power requirements.

LP2981IM5X-36C Features

• Low Quiescent Current: With a quiescent current of 125 µA, the LP2981IM5X-36C minimizes power consumption, making it ideal for low-power applications.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 63dB at 1kHz, ensuring excellent noise filtering and stable output voltage.
• Low Dropout Voltage: A maximum dropout voltage of 0.375V at 100mA allows the regulator to maintain efficiency even at low input-to-output voltage differentials.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure robustness and reliability in various operating conditions.
• Enable Control: The enable feature provides additional control over the regulator's operation, allowing for power-saving modes and controlled startup/shutdown sequences.
• Surface Mount Packaging: The surface mount package type facilitates easy integration into compact designs and automated assembly processes.
• RoHS Compliance: The LP2981IM5X-36C is RoHS3 compliant, ensuring it meets environmental standards for restricted hazardous substances.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the regulator is suitable for a wide range of manufacturing environments without the need for special handling.

LP2981IM5X-36C Applications

The LP2981IM5X-36C is well-suited for a variety of applications where a stable, low-dropout voltage regulator is required. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics, such as smartphones, tablets, and wearables, where low power consumption and high efficiency are crucial.
• Embedded Systems: Suitable for microcontroller-based systems that require a reliable power supply with minimal power loss.
• Medical Devices: Applicable in medical equipment where precise voltage regulation and low noise are essential for accurate measurements and safe operation.
• Industrial Control Systems: Useful in industrial applications where robustness and reliability are paramount, and the regulator's protection features can prevent damage from overcurrent and short circuits.

Conclusion of LP2981IM5X-36C

The LP2981IM5X-36C from Texas Instruments stands out as a versatile and efficient low-dropout linear regulator. Its combination of low quiescent current, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Whether powering battery-operated devices or ensuring stability in critical systems, the LP2981IM5X-36C offers superior performance and reliability. Its RoHS compliance and surface mount packaging further enhance its suitability for modern electronics manufacturing.