Texas Instruments

LP2985AIM5-1.5/NOPB

LP2985AIM5-1.5/NOPB Description

The LP2985AIM5-1.5/NOPB is a fixed output linear voltage regulator designed by Texas Instruments. This regulator offers a stable 1.5V output voltage with a maximum output current of 150mA. It is housed in a compact SOT23-5 package, making it suitable for a wide range of applications where space is a constraint. The regulator is designed to operate with a maximum input voltage of 16V and features a low dropout voltage of 0.58V at full load, ensuring high efficiency even at low input-to-output voltage differentials.

LP2985AIM5-1.5/NOPB Features

The LP2985AIM5-1.5/NOPB boasts several key features that enhance its performance and reliability:

• Fixed Output Voltage: Provides a stable 1.5V output, suitable for applications requiring a fixed voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, it maintains high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: Features a quiescent current of only 95µA, making it ideal for low-power applications.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 45dB at 1kHz, ensuring excellent noise filtering and stable output voltage.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection, enhancing the reliability and longevity of the regulator.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and flexible system design.
• Surface Mount Packaging: The SOT23-5 package is suitable for surface mount technology, facilitating easy integration into compact PCB designs.

LP2985AIM5-1.5/NOPB Applications

The LP2985AIM5-1.5/NOPB is well-suited for a variety of applications due to its compact size, low dropout voltage, and robust protection features. Some specific use cases include:

• Portable Devices: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology where space and power efficiency are critical.
• Embedded Systems: Suitable for embedded systems in industrial and automotive applications where a stable and reliable power supply is required.
• Communication Equipment: Can be used in communication devices such as routers and modems to provide a stable power supply for critical components.
• Medical Devices: Applicable in medical equipment where low power consumption and high reliability are essential.

Conclusion of LP2985AIM5-1.5/NOPB

The LP2985AIM5-1.5/NOPB from Texas Instruments is a versatile and efficient linear voltage regulator designed for applications requiring a stable 1.5V output. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for low-power and space-constrained designs. The inclusion of over-current, over-temperature, and short-circuit protection ensures robustness and reliability. Despite its obsolete status, the LP2985AIM5-1.5/NOPB remains a reliable option for applications where its unique features and performance benefits are required.