The AMS2906CD-3.3 from Advanced Monolithic Systems is a low-dropout (LDO) voltage regulator that provides a stable and regulated 3.3V output voltage. It is designed for applications requiring a low dropout voltage, high accuracy, and low quiescent current. It is ideal for battery-powered devices and other applications where power efficiency is critical.

Applications

• Battery-Powered Devices
• Portable Equipment
• Microcontroller Power Supplies
• Post-Regulation for Switching Power Supplies
• Linear Regulators

Features

• Low Dropout Voltage: Operates with a very small difference between input and output voltage.
• High Output Accuracy: Provides a stable and regulated output voltage with high precision.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current.
• Over-Current Protection: Protects the regulator from damage due to excessive output current.
• Thermal Shutdown: Protects the regulator from overheating.
• Fixed Output Voltage: Provides a fixed 3.3V output voltage.

Benefits

• Extended Battery Life: The low dropout voltage and quiescent current extend battery life in portable applications.
• Stable Output Voltage: Provides a stable and regulated output voltage, ensuring reliable operation of sensitive circuits.
• Protection Features: Over-current protection and thermal shutdown protect the regulator from damage.
• Simple Design: Requires minimal external components, simplifying circuit design.
• High Efficiency: The low dropout voltage improves efficiency, reducing power dissipation.

Additional Details

The AMS2906CD-3.3 is available in a surface-mount package such as SOIC or SOT-223. Key electrical characteristics include a low dropout voltage, typically less than 1V at the rated output current. It offers a high level of output voltage accuracy, typically within a few percent. The regulator is designed to operate over a wide temperature range. It's suitable for a variety of applications where a regulated 3.3V supply is needed, especially in battery-powered devices.