LP2982AIM5X-5.0 Voltage Regulator by Texas Instruments

The LP2982AIM5X-5.0 is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to deliver a fixed output of 5.0 volts. This micro-power device is ideal for battery-powered applications due to its low quiescent current, which extends battery life. The LP2982AIM5X-5.0 is part of the wider LP2982 series, known for their reliability and stability.

This regulator can supply up to 50mA of load current with a typical dropout voltage of just 280mV at full load. Its precision output voltage is ensured with a tight output voltage tolerance of ±0.5% at room temperature and ±1% over the entire operating temperature range. This accuracy is maintained over line, load, and temperature variations, making the LP2982AIM5X-5.0 an excellent choice for sensitive applications.

The device features a low ground pin current that is nearly independent of load, providing further power savings. It also includes a thermal shutdown protection mechanism and current limit to safeguard the device and the load under extreme operating conditions. Additionally, the LP2982AIM5X-5.0 offers a fast transient response, which is essential for applications where the load conditions change rapidly, such as in portable communication devices.

Housed in a small SOT-23 package, the LP2982AIM5X-5.0 is designed for space-constrained applications. Its small footprint and low profile make it suitable for use in handheld devices. The device also features a low-noise output, which is particularly important for RF and precision analog circuits that require a clean power supply.

The LP2982AIM5X-5.0 is simple to implement and requires minimal external components, needing only an input capacitor and an output capacitor for stability. This makes it an easy-to-use solution for a wide range of applications, including mobile phones, PDAs, digital cameras, and other portable devices where power efficiency and space are critical considerations.