The AZ1117CD-ADJG1 is an adjustable low dropout (LDO) positive voltage regulator manufactured by BCD Semiconductor. It's designed to provide a regulated output voltage that can be adjusted within a specific range, making it versatile for various applications requiring different voltage levels. This regulator can supply up to 1A of current.

Applications

• Adjustable Power Supplies: Used in power supply designs where the output voltage needs to be adjustable.
• Post Regulation for Switching Power Supplies: Provides a clean and stable adjustable voltage output after a switching power supply.
• Battery Chargers: Employed in battery charging circuits where adjustable voltage is required for different battery types.
• Microcontroller Power: Suitable for providing regulated and adjustable voltage to microcontrollers.
• FPGA Power: Used to regulate power to FPGAs, often requiring different core and I/O voltages.

Features

• Adjustable Output Voltage: The output voltage can be adjusted using external resistors.
• Low Dropout Voltage: Offers a low dropout voltage, allowing operation with a small difference between input and output voltage.
• 1A Output Current: Capable of supplying up to 1A of output current.
• Over Current Protection: Includes over current protection to prevent damage from excessive current draw.
• Thermal Overload Protection: Features thermal overload protection to shut down the regulator in case of overheating.

Benefits

• Versatile Voltage Regulation: The adjustable output voltage allows for flexibility in various applications.
• Stable Voltage Regulation: Provides a stable and regulated output voltage, ensuring reliable operation of connected devices.
• Protection Features: Over current and thermal overload protection enhance the durability and longevity of the regulator and connected devices.
• Simple Implementation: Requires only a few external components for setting the output voltage.

Additional Details

The AZ1117CD-ADJG1 typically comes in a TO-252 package. The output voltage is set by using two external resistors in a voltage divider configuration. The datasheet provides the formula for calculating the required resistor values for a specific output voltage. Input and output capacitors are also recommended for stable operation. The dropout voltage is typically around 1.1V at full load. Refer to the datasheet for detailed operating temperature specifications and other performance characteristics.