Texas Instruments

LP2985IM5X-2.7/NOPB

LP2985IM5X-2.7/NOPB Description

The LP2985IM5X-2.7/NOPB is a fixed-output linear voltage regulator designed by Texas Instruments, offering a stable 2.7V output voltage with a maximum output current of 150mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface-mount applications. It features a low dropout voltage of 0.58V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is designed to operate with an input voltage range up to 16V and has a quiescent current of 95 µA, contributing to its high efficiency and low power consumption.

LP2985IM5X-2.7/NOPB Features

• Fixed Output Voltage: Provides a stable 2.7V output voltage, ideal for applications requiring a precise and consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, the LP2985IM5X-2.7/NOPB ensures efficient operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator consumes only 95 µA of quiescent current, making it suitable for low-power applications and battery-operated devices.
• High PSRR: The regulator offers a power supply rejection ratio (PSRR) of 45dB at 1kHz, effectively filtering out noise and ripple from the input voltage.
• Protection Features: The LP2985IM5X-2.7/NOPB includes over-current, over-temperature, and short-circuit protection, ensuring reliable and safe operation under various conditions.
• Enable Control Feature: The regulator features an enable pin, allowing for easy control of the output voltage and enabling power-saving modes.
• Compliance and Packaging: The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a tape and reel (TR) package, facilitating automated assembly processes.

LP2985IM5X-2.7/NOPB Applications

The LP2985IM5X-2.7/NOPB is ideal for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and low quiescent current make it particularly suitable for battery-operated devices and portable electronics. The regulator's compact SOT23-5 package and surface-mount design allow for easy integration into space-constrained designs.

Specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current ensure efficient operation and extended battery life.
• Portable Electronics: The compact size and surface-mount package make it suitable for small form-factor devices.
• Low-Power Applications: The regulator's low power consumption and high efficiency are ideal for applications where power management is critical.
• Noise-Sensitive Applications: The high PSRR helps maintain a clean and stable power supply, making it suitable for sensitive electronic circuits.

Conclusion of LP2985IM5X-2.7/NOPB

The LP2985IM5X-2.7/NOPB is a versatile and efficient linear voltage regulator that offers a stable 2.7V output with low dropout voltage and low quiescent current. Its compact SOT23-5 package and surface-mount design make it suitable for a wide range of applications, particularly those requiring efficient power management and space-saving solutions. The regulator's protection features and enable control enhance its reliability and flexibility. While the product is now obsolete, it remains a reliable choice for existing designs and legacy systems.