LP2985 150mA Low-Noise, Low-Dropout (LDO) Voltage Regulator

Description

The LP2985 is a high-performance, low-noise, low-dropout (LDO) linear regulator designed specifically for applications that require a steady, precise voltage rail with minimal noise interference. Capable of delivering up to 150mA of output current, this IC is an ideal power solution for sensitive analog circuits, portable communication devices, and high-speed digital systems where power supply ripple can degrade performance.

Engineered for high-density modern electronics, the LP2985 combines low dropout voltage with a bypass pin capability, which allows for the addition of an external capacitor to further reduce output noise. Housed in a compact SOT-23-5 (SMD-5) package, it is perfect for space-constrained designs such as smartphones, wearable technology, and handheld medical instruments. With built-in current limiting and thermal protection, this regulator ensures your sensitive electronic components remain powered safely and reliably.

Key Features

• 150mA Current Output: Provides ample current for microcontrollers, RF modules, and precision sensor interfaces.
• Low-Noise Architecture: Optimized to deliver a clean output voltage, essential for high-fidelity signal processing and RF communication.
• Low Dropout Voltage: Highly efficient performance, maintaining stable regulation even with minimal input-to-output voltage headroom.
• Bypass Capability: Includes a dedicated bypass pin to support an external capacitor, further suppressing output noise for sensitive applications.
• Compact SMD-5 Package: Industry-standard SOT-23-5 footprint, designed to minimize board real estate in portable electronic devices.

Application

• RF & Communication: Ensures low-noise power for cellular, Bluetooth, and Wi-Fi modules where signal clarity is critical.
• Portable Electronics: An efficient, space-saving solution for battery-powered gadgets like smartwatches, fitness trackers, and portable audio equipment.
• Medical Instrumentation: Provides stable, noise-free voltage rails for high-precision diagnostic and monitoring sensors.
• Mixed-Signal Systems: Ideal for powering localized analog rails in complex boards with high-speed digital logic.
• Custom Prototyping: A fundamental, versatile component for engineers and makers building reliable, low-noise power distribution circuits.

Package Includes

• 1 x LP2985 150mA Low-Noise LDO Voltage Regulator (SMD-5)

Technical Specifications

Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.