Product Overview: LP2981-28DBVR from Texas Instruments
The LP2981-28DBVR is a highly reliable, low-dropout regulator designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This micro-power voltage regulator is optimized for battery-powered and low-power applications, delivering a fixed output voltage of 2.8V with an accuracy of ±0.5% at room temperature and ±1% over the full temperature range.
Key Features
- Output Voltage: Precisely regulated 2.8V output, ideal for consistent performance in electronic circuits.
- Dropout Voltage: Ultra-low dropout of typically 280 mV at 100 mA load, allowing for efficient operation even when the supply voltage is close to the output voltage.
- Current Capacity: Capable of supplying up to 100 mA of load current, suitable for a variety of low-power devices and applications.
- Quiescent Current: Extremely low quiescent current of 850 nA in shutdown mode, contributing to extended battery life in portable applications.
- Stability: Stable with low-ESR ceramic capacitors, ensuring reliable performance and simplifying design considerations.
- Protection Features: Includes overcurrent and thermal protection, safeguarding the device and the load from potential damage.
- Package: Available in a compact 5-pin SOT-23 package, which is suitable for space-constrained applications.
Applications
The LP2981-28DBVR is versatile and can be used in a wide range of applications. It is particularly well-suited for portable electronics such as mobile phones, PDAs, and portable media players. Additionally, it can be employed in battery-powered equipment, handheld instrumentation, and wireless communication devices. Its ability to maintain a stable output voltage despite variations in input voltage and load conditions makes it an excellent choice for sensitive electronic components.
Quality and Reliability
Texas Instruments is known for its commitment to quality, and the LP2981-28DBVR is no exception. Each device undergoes rigorous testing to ensure it meets TI's high standards for performance and reliability. The LP2981-28DBVR is RoHS compliant and is designed to meet the requirements of the most demanding electronic systems, providing designers with confidence in their power management solutions.