Product Overview: LP2981A-28DBVRG4 from Texas Instruments

The LP2981A-28DBVRG4 is a high-performance, low-dropout regulator (LDO) designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This voltage regulator is specifically engineered to provide a stable and reliable power supply for sensitive electronic components and systems.

Key Features

• Output Voltage: The device provides a fixed output voltage of 2.8V, which is ideal for powering low-voltage logic and mixed-signal devices.
• High Accuracy: It offers excellent regulation with a high accuracy of ±0.5% at room temperature and ±1% over the full operating temperature range.
• Low Dropout: With a low dropout voltage, the LP2981A-28DBVRG4 ensures efficient operation even when the input voltage is close to the output voltage, making it suitable for battery-powered applications.
• Current Rating: The device can deliver up to 100mA of continuous output current, sufficient for a wide range of applications.
• Low Quiescent Current: The quiescent current is exceptionally low, typically 850µA, which enhances battery life in portable applications.
• Thermal Protection: It includes built-in thermal shutdown protection to prevent damage from overheating.
• Stable with Low ESR Capacitors: The LDO is stable with low equivalent series resistance (ESR) ceramic capacitors, which reduces the size and cost of the external components.

Applications

The LP2981A-28DBVRG4 is versatile and can be used in various applications, including:

• Mobile phones
• Personal digital assistants (PDAs)
• Digital cameras
• Portable media players
• Microcontroller power supplies

Package and Quality

Encased in a compact SOT-23-5 package, the LP2981A-28DBVRG4 is designed for space-constrained applications. The device is RoHS compliant and follows Texas Instruments' commitment to environmental stewardship. Its robust design ensures reliable performance in a wide range of operating conditions.

With its combination of features, the LP2981A-28DBVRG4 from Texas Instruments is an excellent choice for designers looking for a high-quality, efficient, and reliable voltage regulator for their electronic projects.