The AME8855-AEV180 is a low-dropout (LDO) linear regulator manufactured by AME, Inc. It is designed to provide a stable and regulated output voltage with a low dropout voltage, making it suitable for battery-powered and portable devices where efficiency is critical. This particular model provides a fixed 1.8V output.

Applications

• Portable electronics: Powering microcontrollers, sensors, and memory in smartphones, tablets, and other mobile devices.
• Battery-powered devices: Providing stable voltage for battery-operated devices like wearables and IoT devices.
• Post-regulation for switching regulators: Reducing ripple and noise after a switching regulator stage.
• Power management in embedded systems: Supplying a clean and regulated voltage for sensitive analog and digital circuits.
• Wireless communication devices: Regulating power for RF transceivers and other wireless components.

Features

• Low dropout voltage: Allows operation with a small difference between input and output voltage, maximizing battery life.
• Fixed 1.8V output: Provides a stable and precise 1.8V output voltage.
• Low quiescent current: Minimizes power consumption when the regulator is in standby mode.
• Overcurrent protection: Protects the device and the load from excessive current.
• Thermal shutdown: Prevents overheating and damage to the regulator.

Benefits

• Extended battery life: Low dropout voltage and low quiescent current maximize battery runtime.
• Stable voltage regulation: Ensures reliable operation of connected devices.
• Simplified design: Fixed output voltage simplifies circuit design.
• Protection against damage: Overcurrent and thermal shutdown protect the regulator and the load.
• Compact solution: Small package size allows for space-constrained applications.

Technical Specifications

The AME8855-AEV180 typically features a low dropout voltage, often around 150mV at full load. The input voltage range is commonly 2.5V to 5.5V, with a fixed output voltage of 1.8V. It includes overcurrent and thermal protection mechanisms. The regulator comes in a small surface-mount package (e.g., SOT-23 or similar) for easy integration into compact PCB designs. It is designed for low power consumption, making it ideal for battery-powered devices.