The LD2985BM33 from STMicroelectronics is a high-performance, low-dropout voltage regulator designed for applications requiring up to 150 mA of output current with a very low dropout voltage and very low quiescent current. This regulator is particularly suitable for battery-powered devices due to its low power consumption and stable operation over a wide range of conditions.

Key Features

• Low dropout voltage: Typically 0.1 V at 150 mA load
• Output current up to 150 mA
• Fixed output voltage of 3.3 V
• Very low quiescent current: Typically 0.2 µA in off mode and 500 µA in on mode
• Low output voltage noise
• Wide operating temperature range: -40°C to 125°C
• Internal current and thermal limit
• Available in SOT-23 and TO-92 packages

Applications

The LD2985BM33 is ideal for a wide range of applications, particularly where power efficiency is paramount. These include:

• Mobile phones
• PDAs and palmtop computers
• Battery-powered devices
• Portable media players
• Low power microcontrollers

Product Summary

The LD2985BM33 is an excellent choice for designers who are looking for a reliable and efficient low-dropout regulator. Its high accuracy, low power consumption, and robust thermal protection make it a versatile component for modern electronic applications. With its fixed 3.3V output, it provides a stable voltage source for sensitive electronics, ensuring consistent performance and prolonging battery life in portable applications.

For more information, datasheets, and support resources, visit the official STMicroelectronics website or contact your local STMicroelectronics sales office.