Texas Instruments

LP2985IM5-3.0

LP2985IM5-3.0 Description

The LP2985IM5-3.0 is a fixed output linear regulator designed for applications requiring a stable 3V supply with a maximum output current of 150mA. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuits (PMIC) category. It features a maximum input voltage of 16V and a dropout voltage of 0.58V at full load, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. Despite its small size, the LP2985IM5-3.0 offers robust protection features, including over-current, over-temperature, and short-circuit protection, ensuring reliable performance under various operating conditions.

LP2985IM5-3.0 Features

• Fixed Output Voltage: Provides a stable 3V output, ideal for applications requiring a precise voltage supply.
• High Input Voltage Range: Supports input voltages up to 16V, offering flexibility in power source selection.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, the regulator maintains high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: Features a quiescent current of only 95 µA, minimizing power consumption during standby or low-load conditions.
• High PSRR: Achieves a power supply rejection ratio of 45dB at 1kHz, ensuring minimal noise and ripple in the output voltage.
• Enable Control: Includes an enable pin for power control, allowing for dynamic power management and reduced power consumption when the regulator is not in use.
• Protection Features: Equipped with over-current, over-temperature, and short-circuit protection, ensuring reliable operation and protection against common fault conditions.
• Surface Mount Packaging: Available in a compact SOT23-5 package, suitable for surface-mount applications and space-constrained designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring the component is suitable for various manufacturing environments.

LP2985IM5-3.0 Applications

The LP2985IM5-3.0 is well-suited for a variety of applications where a stable 3V supply and low power consumption are critical. Some specific use cases include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and wearable technology, where space and power efficiency are paramount.
• Embedded Systems: Suitable for microcontroller-based systems, IoT devices, and other embedded applications requiring a reliable and efficient power supply.
• Communication Equipment: Can be used in low-power communication modules, such as Bluetooth and Wi-Fi devices, to provide a stable power source.
• Medical Devices: Applicable in portable medical devices, such as glucose meters and pulse oximeters, where precision and reliability are essential.
• Industrial Control: Useful in low-power industrial sensors and control modules, ensuring stable operation in harsh environments.

Conclusion of LP2985IM5-3.0

The LP2985IM5-3.0 from Texas Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 3V supply. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications where power efficiency and noise performance are critical. The inclusion of enable control and comprehensive protection features further enhances its reliability and flexibility. Despite its small form factor, the LP2985IM5-3.0 offers robust performance, making it an ideal solution for a wide range of applications in the electronics industry.