Texas Instruments

LP2985AIM5X-3.8

LP2985AIM5X-3.8 Description

The LP2985AIM5X-3.8 is a fixed output linear voltage regulator from Texas Instruments, designed to provide a stable 3.8V 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 where space is a premium. The LP2985AIM5X-3.8 is part of the Linear & Switching Voltage Regulators category and is known for its high performance and reliability.

LP2985AIM5X-3.8 Features

• Output Type: Fixed, ensuring a consistent 3.8V output voltage.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power supply design.
• Output Current: Can deliver up to 150mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.58V at 150mA ensures efficient operation even at low input-to-output voltage differentials.
• Low Quiescent Current: Only 95 µA, minimizing power consumption in standby or low-load conditions.
• High PSRR: 45dB at 1kHz, providing excellent noise rejection and stable output voltage.
• Control Features: Includes an enable pin for easy control of the regulator's operation.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a variety of manufacturing environments.
• Mounting Type: Surface Mount, ideal for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

LP2985AIM5X-3.8 Applications

The LP2985AIM5X-3.8 is ideal for applications requiring a stable and efficient power supply with a fixed output voltage. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices and portable electronics where power efficiency is critical. The regulator's compact size and surface mount package are well-suited for space-constrained designs, such as:

• Portable Electronics: Smartphones, tablets, and other handheld devices.
• Battery-Powered Devices: Wearable technology, IoT sensors, and remote monitoring systems.
• Low-Power Systems: Embedded systems, microcontrollers, and other applications requiring stable power with minimal power consumption.

Conclusion of LP2985AIM5X-3.8

The LP2985AIM5X-3.8 from Texas Instruments is a versatile and efficient linear voltage regulator, offering a fixed 3.8V output with a maximum current of 150mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications where power efficiency and stability are paramount. The compact SOT23-5 package and surface mount design further enhance its suitability for modern, space-constrained electronics. While the product is now obsolete, its legacy continues to influence the design of efficient power supply solutions in the electronics industry.