Product Overview: LP2985A-28DBVRG4 from Texas Instruments

The LP2985A-28DBVRG4 is a high-performance, low-noise, low-dropout voltage regulator from Texas Instruments, designed to deliver a fixed output of 2.8 volts. This regulator is part of the LP2985 family, known for its exceptional stability and reliability, making it an ideal choice for sensitive RF and analog circuitry that requires a clean power supply.

Key Features

• Output Voltage: Precisely regulated 2.8V output, suitable for a variety of applications in electronics.
• Low Dropout: Its low dropout voltage (typically 280mV at full load) ensures efficient operation even when the input voltage is close to the output voltage.
• High Accuracy: Output voltage accuracy is maintained within ±0.5% over temperature, line, and load variations.
• Low Noise: Designed for noise-sensitive applications, offering low output noise of 30µVRMS (10Hz to 100kHz).
• Current Limit Protection: Features built-in current limit and thermal shutdown for protection against fault conditions.
• Stable with Low ESR Capacitors: Stable with ceramic capacitors as low as 1µF, providing flexibility in design and reducing overall component cost.

Applications

The LP2985A-28DBVRG4 is versatile and can be used in a wide range of applications, including:

• Portable and battery-powered electronics
• RF applications
• High-precision analog circuits
• Microcontroller or microprocessor power supplies
• Consumer electronics

Package and Quality

This voltage regulator is offered in a compact SOT-23-5 package, which is ideal for space-constrained applications. It is also characterized for operation over an extended temperature range of -40°C to 125°C, ensuring reliable performance in a variety of environments. Texas Instruments is committed to high standards of quality and reliability, and the LP2985A-28DBVRG4 is no exception, meeting stringent industry requirements.

With its combination of features, the LP2985A-28DBVRG4 is a robust solution for designs requiring a stable and clean power supply. Its high accuracy, low noise, and protection features make it a go-to regulator for critical applications where performance cannot be compromised.