Texas Instruments

LP2985A-10DBVT

LP2985A-10DBVT Description

The LP2985A-10DBVT from Texas Instruments is a fixed-output, low-dropout (LDO) linear voltage regulator delivering a stable 10V output with a maximum current of 150mA. Designed for precision power management, it operates with an input voltage range up to 16V and features a low dropout voltage of 0.58V at full load (150mA), ensuring efficient performance even with small input-output differentials. Packaged in a SOT-23-5 surface-mount form factor, this regulator is optimized for space-constrained applications while maintaining high reliability.

LP2985A-10DBVT Features

• Ultra-Low Quiescent Current (95 µA): Enhances power efficiency in battery-operated systems.
• High PSRR (45dB @ 1kHz): Minimizes noise and ripple, making it ideal for sensitive analog/digital circuits.
• Enable Control Pin: Allows for power-saving modes when the regulator is not in use.
• Robust Protection: Includes over-current, over-temperature, and short-circuit protection for enhanced system safety.
• Low Dropout (0.58V @ 150mA): Ensures stable operation even with tight input voltage margins.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards for global deployment.
• Wide Operating Temperature Range: Suitable for industrial and automotive applications.

LP2985A-10DBVT Applications

This LDO regulator is particularly well-suited for:

• Portable & Battery-Powered Devices: Such as medical sensors, IoT modules, and handheld instruments due to its low Iq.
• Noise-Sensitive Analog Circuits: Including audio amplifiers, data converters, and RF systems, benefiting from high PSRR.
• Industrial Control Systems: Where stable voltage regulation is critical under varying load conditions.
• Automotive Electronics: Used in infotainment, sensors, and control units requiring reliable power management.
• Embedded Systems: Microcontroller and FPGA power supplies where space and efficiency are key constraints.

Conclusion of LP2985A-10DBVT

The LP2985A-10DBVT stands out as a high-performance, low-power LDO regulator with a fixed 10V output, making it an excellent choice for applications demanding low noise, high efficiency, and compact design. Its enable pin, protection features, and ultra-low dropout provide flexibility and reliability in diverse electronic systems. While classified as Last Time Buy, its industry-proven performance ensures continued suitability for legacy and new designs requiring stable, regulated power in constrained environments.