LP2985AIM5-4.5/NOPB - Texas Instruments

The LP2985AIM5-4.5/NOPB is a high-performance, low-noise, low-dropout voltage regulator from Texas Instruments, designed to deliver a continuous 150 mA output current. This regulator operates with a fixed output voltage of 4.5V, providing a stable power source for a wide range of applications. Its low dropout voltage and low ground current make it an excellent choice for battery-powered devices, where maximizing battery life is crucial.

Key Features

• Output Voltage: Fixed 4.5V with high accuracy.
• Output Current: Capable of delivering 150 mA of continuous current.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.
• Low Noise: Provides a clean power supply, ideal for noise-sensitive applications such as audio and RF circuits.
• High PSRR: Excellent power supply rejection ratio helps to suppress fluctuations from the input power source.
• Stable with Low-ESR Capacitors: Compatible with a wide range of capacitors, including ceramic types for space-sensitive designs.
• Thermal Protection: Built-in thermal shutdown feature protects the device from overheating.
• Overcurrent Protection: Internal current limit helps prevent damage from excessive loads or short circuits.

Applications

The LP2985AIM5-4.5/NOPB is versatile and can be used in various applications, including:

• Battery-powered equipment
• Portable consumer electronics
• Mobile phones and PDAs
• Wireless and RF devices
• Audio and video equipment

Package and Quality

Encased in a small SOT-23 package, the LP2985AIM5-4.5/NOPB is designed for compact and space-constrained designs. It is also available in a lead-free (NOPB) version, which meets RoHS compliance and is suitable for environmentally sensitive applications. Texas Instruments' commitment to quality ensures that this voltage regulator delivers reliable and consistent performance.