The LP2981-33DBVTE4 from Texas Instruments is a high-performance, low-dropout regulator specifically designed to maintain excellent regulation and low noise with a very low input-to-output voltage differential. This voltage regulator is ideal for battery-powered systems due to its low quiescent current and low dropout voltage, which help to extend battery life.

Key Features

• Output Voltage: This device provides a fixed output voltage of 3.3V, which is suitable for a wide range of low-voltage applications, including microcontrollers and analog devices.
• High Accuracy: The output voltage is accurate to within ±0.5% at room temperature and ±1% over the full operating temperature range, ensuring reliable performance for critical applications.
• Low Dropout: The low dropout voltage (typically 280 mV at full load) allows operation close to the battery end-of-life, which is essential for portable equipment.
• Low Quiescent Current: The LP2981-33DBVTE4 boasts an exceptionally low quiescent current of typically 30 µA, which is ideal for battery-powered applications.
• Peak Output Current: It can deliver up to 100 mA of output current, making it suitable for powering small to medium-sized loads.
• Thermal Overload Protection: The built-in thermal overload protection safeguards the device against damage from overheating.
• Short Circuit Protection: Short circuit protection enhances the safety and reliability of the system by preventing damage due to output short circuits.

Applications

The LP2981-33DBVTE4 is versatile and can be used in various applications, such as:

• Battery-powered devices
• Portable and handheld equipment
• Mobile phones and PDAs
• Personal digital assistants (PDAs)
• Wireless peripherals
• Microcontroller power supplies

Package and Quality

The device is offered in a small SOT-23-5 package, making it easy to integrate into space-constrained designs. Additionally, it is part of Texas Instruments' quality product lineup, ensuring high standards of performance and reliability for your electronic projects.