Texas Instruments

LP2985IM5X-3.3

LP2985IM5X-3.3 Description

The LP2985IM5X-3.3 is a fixed-output linear voltage regulator designed and manufactured by Texas Instruments. This device is part of the Linear & Switching Voltage Regulators category and is specifically tailored for applications requiring a stable 3.3V output voltage. With a maximum input voltage of 16V and an output current capability of 150mA, this regulator is well-suited for low-power applications. It is worth noting that the LP2985IM5X-3.3 is currently classified as obsolete, which may affect its availability.

LP2985IM5X-3.3 Features

• Output Type: Fixed, ensuring a stable and predictable output voltage.
• Voltage - Input (Max): 16V, allowing for a wide range of input voltages.
• Current - Output: 150mA, suitable for low to medium power requirements.
• Number of Regulators: 1, providing a single output for straightforward applications.
• Output Configuration: Positive, which is the most common configuration for many electronic devices.
• Voltage - Output (Min/Fixed): 3.3V, ideal for microcontrollers and other digital circuits.
• Voltage Dropout (Max): 0.58V @ 150mA, ensuring high efficiency even under load.
• PSRR: 45dB (1kHz), providing excellent power supply rejection ratio for stable operation.
• Control Features: Enable, allowing for dynamic power management.
• Protection Features: Over Current, Over Temperature, and Short Circuit, safeguarding the device and the system.

LP2985IM5X-3.3 Applications

The LP2985IM5X-3.3 is ideal for applications where a low-noise, stable 3.3V supply is required. Specific use cases include:

• Portable Electronics: Due to its low quiescent current of 95 µA, it is perfect for battery-powered devices.
• Microcontroller Power Supply: The fixed 3.3V output is commonly used in microcontroller circuits.
• Sensors and Transducers: For applications requiring a stable reference voltage with low noise.
• Communication Devices: In systems where a reliable power source is critical for signal integrity.

Conclusion of LP2985IM5X-3.3

While the LP2985IM5X-3.3 is an obsolete product, it still offers a reliable solution for applications requiring a fixed 3.3V output with low noise and high stability. Its robust protection features and ability to handle a wide range of input voltages make it a versatile choice for low-power electronics. However, due to its obsolescence, it is recommended to consider alternative models from Texas Instruments or other manufacturers that offer similar specifications and performance benefits.