The AMS1086CD-5.0 is a low dropout (LDO) voltage regulator manufactured by Advanced Monolithic Systems (AMS). It's designed to provide a stable 5.0V output voltage from a higher input voltage, even when the input voltage is close to the output voltage. The 'CD' likely indicates the package type, most commonly a TO-252 or similar surface mount package.

Applications

• Post Regulation for Switching Supplies: Provides a stable output voltage after a switching regulator.
• Battery Chargers: Used in battery charging circuits to provide a regulated charging voltage.
• Linear Regulators: Can be used as a linear regulator in various electronic circuits.
• Microprocessor Power Supplies: Provides a stable voltage supply for microprocessors and microcontrollers.
• Motherboard Applications: Provides voltage regulation on computer motherboards.

Features

• Low Dropout Voltage: Operates with a low difference between input and output voltage.
• Fixed 5.0V Output: Provides a stable 5.0V output voltage.
• Over Current Protection: Protects the regulator from damage due to excessive current.
• Thermal Overload Protection: Protects the regulator from damage due to excessive temperature.
• Surface Mount Package (likely TO-252): Allows for easy integration into surface mount PCBs.

Benefits

• Stable Output Voltage: Provides a consistent and reliable 5.0V output.
• Protection from Overload Conditions: Over current and thermal protection prevent damage to the regulator.
• Easy Integration: Surface mount package simplifies PCB design and assembly.
• Efficient Voltage Regulation: Low dropout voltage allows for efficient voltage regulation.
• Cost-Effective Solution: Provides a reliable voltage regulation solution at a competitive price.

Additional Details

The AMS1086CD-5.0 offers excellent line and load regulation. It typically has a dropout voltage around 1.3V at the rated current. The device also includes built-in thermal shutdown and current limiting features to prevent damage from overloads. The regulator is designed to operate over a wide temperature range, making it suitable for various applications. It is a three-terminal regulator, requiring minimal external components. The specific package style allows for efficient heat dissipation. It is commonly used in applications where a stable 5V supply is crucial, and where the input voltage may vary.