The AZ1084S2-ADJTR is an adjustable low dropout positive voltage regulator from BCD Semiconductor Manufacturing Limited. It is designed to provide an adjustable output voltage with a low dropout voltage. This makes it ideal for applications where the input voltage is close to the desired output voltage. The device offers a wide range of adjustable output voltages, allowing flexibility in various applications. Built-in protection features ensure reliable operation and longevity.

Applications

• Post Regulation for Switching Power Supply
• Linear Regulator for Mother Board
• Voltage Regulator for VGA Card
• Battery Charger

Features

• Adjustable Output Voltage: Allows setting the output voltage using external resistors.
• Low Dropout Voltage: Maintains regulation even with a minimal voltage difference between input and output.
• Output Current: Supports output currents up to 5A.
• Thermal Overload Protection: Shuts down the regulator to prevent damage from overheating.
• Current Limiting: Restricts the output current to prevent damage from overloads or short circuits.
• Operating Temperature Range: Designed to operate over a wide range of temperatures.

Benefits

• Flexible Voltage Setting: Adjustable output voltage caters to various voltage requirements in different applications.
• High Efficiency: Low dropout voltage contributes to higher efficiency, reducing power waste and heat generation.
• Robust Protection: Integrated protection features enhance reliability and prevent damage from common electrical faults.
• Easy Implementation: Requires minimal external components for typical applications, simplifying circuit design.
• Wide Application Range: Suitable for a variety of applications requiring a regulated adjustable voltage supply.

Additional Details

The AZ1084S2-ADJTR is typically packaged in a TO-263 package, providing efficient heat dissipation. Proper heat sinking is crucial when operating at higher output currents to maintain reliable performance. The output voltage is set by two external resistors, and the datasheet provides the necessary formulas and recommendations for resistor selection. Input and output capacitors are also required for stability; refer to the datasheet for specific capacitance values. This regulator is an excellent choice for applications needing a stable, adjustable, and efficient power supply.