Texas Instruments

LP2985AIM5-3.0

LP2985AIM5-3.0 Description

The LP2985AIM5-3.0 is a fixed output linear voltage regulator designed by Texas Instruments. This device offers a stable 3V 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 an input voltage range up to 16V, ensuring compatibility with various power sources. The LP2985AIM5-3.0 features a low dropout voltage of 0.58V at 150mA, which enhances its efficiency and performance in low voltage applications. It also includes an enable control feature, allowing for dynamic power management and improved system efficiency.

LP2985AIM5-3.0 Features

• Fixed Output Voltage: The LP2985AIM5-3.0 provides a stable 3V output, ensuring consistent power supply to connected devices.
• High Efficiency: With a low dropout voltage of 0.58V at 150mA, this regulator maintains high efficiency even under low input-to-output voltage differentials.
• Low Quiescent Current: The device has a quiescent current of only 95 µA, minimizing power consumption during operation.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• Enable Control: The enable feature allows for dynamic power management, enabling the regulator to be turned on and off as needed, which is particularly useful in power-sensitive applications.
• Compact Design: The SOT23-5 package makes the LP2985AIM5-3.0 ideal for space-constrained designs, such as portable electronics and small form-factor devices.
• High PSRR: The regulator offers a power supply rejection ratio (PSRR) of 45dB at 1kHz, ensuring minimal noise and ripple on the output voltage.

LP2985AIM5-3.0 Applications

The LP2985AIM5-3.0 is well-suited for a variety of applications where a stable and efficient power supply is required. 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 critical.
• Embedded Systems: Suitable for microcontroller and microprocessor-based systems that require a stable 3V supply.
• Communication Devices: Can be used in low-power communication modules and IoT devices to ensure reliable operation.
• Medical Devices: Applicable in portable medical equipment where precision and reliability are paramount.
• Consumer Electronics: Useful in a range of consumer electronics that require a compact and efficient power solution.

Conclusion of LP2985AIM5-3.0

The LP2985AIM5-3.0 is a versatile and efficient linear voltage regulator that offers a stable 3V output with a maximum current of 150mA. Its low dropout voltage, low quiescent current, and compact SOT23-5 package make it an ideal choice for space-constrained and power-sensitive applications. The inclusion of enable control and comprehensive protection features further enhances its reliability and flexibility. While the product is marked as obsolete, it remains a valuable option for legacy systems and applications where its unique features and performance benefits are still highly relevant.