Texas Instruments

LP2985IM5-5.3/NOPB

LP2985IM5-5.3/NOPB Description

The LP2985IM5-5.3/NOPB is a fixed output linear regulator designed by Texas Instruments, offering a regulated output voltage of 5.3V with a maximum output current of 150mA. This device is housed in a compact SOT23-5 package, making it suitable for surface mount applications. Despite its small size, the LP2985IM5-5.3/NOPB delivers robust performance with a maximum input voltage of 16V and a dropout voltage of only 0.58V at full load. It features a low quiescent current of 95µA and a power supply rejection ratio (PSRR) of 45dB at 1kHz, ensuring efficient and stable regulation even under varying input conditions.

LP2985IM5-5.3/NOPB Features

• Fixed Output Voltage: Provides a stable 5.3V output, ideal for applications requiring a precise voltage supply.
• High Input Voltage Range: Capable of handling input voltages up to 16V, offering flexibility in power source selection.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, it ensures efficient operation even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 95µA of quiescent current, making it suitable for low-power and battery-operated devices.
• High PSRR: Achieves a power supply rejection ratio of 45dB at 1kHz, minimizing the impact of input voltage variations on the output.
• Enable Control Feature: Includes an enable pin for easy control and power management.
• Protection Features: Equipped with over-current, over-temperature, and short-circuit protection, ensuring reliable operation and protection against common fault conditions.
• Compliance and Packaging: Complies with REACH and RoHS3 standards, and is available in a moisture sensitivity level 1 (unlimited) package, suitable for a wide range of manufacturing processes.

LP2985IM5-5.3/NOPB Applications

The LP2985IM5-5.3/NOPB is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and high performance make it ideal for:

• Battery-Powered Devices: The low quiescent current and high PSRR ensure efficient power management and long battery life.
• Consumer Electronics: Suitable for portable devices, wearables, and other consumer electronics that require a reliable power supply.
• Industrial Equipment: Provides stable power for sensors, controllers, and other industrial applications.
• Telecommunications: Ideal for powering low-power components in communication devices and infrastructure.
• Medical Devices: Ensures reliable power supply for medical equipment where stability and precision are critical.

Conclusion of LP2985IM5-5.3/NOPB

The LP2985IM5-5.3/NOPB from Texas Instruments is a versatile and efficient linear regulator that offers a stable 5.3V output with a maximum current of 150mA. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications requiring high efficiency and reliability. Despite being marked as obsolete, the LP2985IM5-5.3/NOPB remains a reliable option for designers looking for a compact and efficient power solution. Its compliance with industry standards and robust protection features further enhance its appeal in a wide range of applications.