The AME8855-AEV250 is a low-dropout (LDO) linear regulator designed by AME, Inc. This regulator is engineered to provide a stable and efficient voltage supply for various electronic circuits. It is particularly useful in applications where a consistent voltage is required despite fluctuations in the input voltage or load current. The AME8855 series is known for its compact size and ease of integration into different circuit designs.

Applications

• Portable Devices: Suitable for powering microcontrollers, sensors, and other low-power components in battery-operated devices.
• Consumer Electronics: Used in devices such as mobile phones, tablets, and digital cameras to regulate voltage for critical components.
• Industrial Control Systems: Integrated into industrial control boards to ensure stable power supply for sensitive electronic elements.
• Power Management Circuits: Acts as a post-regulator to clean up voltage rails and provide stable power to sensitive analog and digital circuits.
• IoT Devices: Employed in IoT devices to maintain stable voltage for sensors, communication modules, and microcontrollers.

Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is close to the output voltage.
• Stable with Ceramic Capacitors: Designed to maintain stability with low-ESR ceramic output capacitors.
• Over-Current Protection: Incorporates current limiting and thermal shutdown features to protect the regulator and the load.
• Low Quiescent Current: Minimizes power consumption, making it suitable for battery-powered applications.
• Fixed Output Voltage: Provides a precise and stable output voltage of 2.5V.

Benefits

• Improved System Reliability: Stable voltage regulation enhances the overall reliability and lifespan of electronic systems.
• Extended Battery Life: Low quiescent current contributes to extended battery life in portable devices.
• Simplified Design: Easy integration into circuit designs due to its small size and minimal external component requirements.
• Protection Against Fault Conditions: Over-current and thermal shutdown features prevent damage from overloads and overheating.
• Consistent Performance: Maintains stable voltage output under varying load and input voltage conditions.

Additional Details

The AME8855-AEV250 operates over a wide input voltage range, typically from 2.5V to 5.5V. It is available in a small SOT-23-5 package, making it suitable for space-constrained applications. The regulator features a typical dropout voltage of 200mV at 150mA load current. It also includes an enable pin that allows the regulator to be turned on or off for power saving. The device is designed to operate over a temperature range of -40°C to +85°C, making it suitable for a wide range of environmental conditions.