Texas Instruments

LP2985AIM5X-3.3

LP2985AIM5X-3.3 Description

The LP2985AIM5X-3.3 is a fixed-output linear voltage regulator designed and manufactured by Texas Instruments. It is part of the Linear & Switching Voltage Regulators category and is specifically engineered to provide a stable 3.3V output with a maximum current of 150mA. This device is known for its robust performance and reliability, making it suitable for a variety of applications.

LP2985AIM5X-3.3 Features

• Output Type: Fixed, ensuring a consistent output voltage.
• Voltage - Input (Max): 16V, allowing for a wide range of input voltages.
• Current - Output: 150mA, suitable for low to medium power applications.
• Number of Regulators: 1, providing a single output.
• Output Configuration: Positive, which is standard for most applications.
• Current - Supply (Max): 2.5 mA, indicating low power consumption.
• Voltage - Output (Min/Fixed): 3.3V, a common voltage level for many digital circuits.
• Voltage Dropout (Max): 0.58V @ 150mA, ensuring high efficiency.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating that the device is not sensitive to moisture.
• Current - Quiescent (Iq): 95 µA, contributing to low power consumption in standby mode.
• PSRR: 45dB (1kHz), providing excellent power supply rejection ratio.
• Protection Features: Over Current, Over Temperature, and Short Circuit, enhancing device reliability and safety.

LP2985AIM5X-3.3 Applications

The LP2985AIM5X-3.3 is ideal for applications where a stable and reliable 3.3V output is required. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current, it is suitable for battery-powered devices.
• Telecommunications: The device's ability to handle a wide input voltage range makes it suitable for telecom equipment.
• Industrial Controls: Reliable voltage regulation is crucial in industrial settings, and this regulator meets those needs.
• Automotive Electronics: The device's robust protection features make it a good fit for automotive applications.

Conclusion of LP2985AIM5X-3.3

While the LP2985AIM5X-3.3 is an obsolete product, it was once a popular choice for applications requiring a fixed 3.3V output with low quiescent current and robust protection features. Its fixed output and positive configuration make it a straightforward choice for many digital circuits. Despite being obsolete, it remains a reliable component for legacy systems or applications where a replacement is not readily available. For new designs, it is recommended to consider the latest offerings from Texas Instruments that may offer improved performance and efficiency.