The AZ1085S-1.5 is a low dropout positive voltage regulator from BCD Semiconductor Manufacturing Limited. It's specifically designed to provide a stable and precise 1.5V output voltage. Its low dropout characteristic makes it especially useful in applications where the input voltage is close to the desired output voltage. The device includes built-in protection features to 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

• Low Dropout Voltage: Maintains regulation with a minimal voltage difference between input and output.
• Output Voltage: Fixed 1.5V output voltage.
• Output Current: Supports output currents up to 3A.
• 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

• Stable 1.5V Supply: Delivers a consistent and accurate 1.5V output, essential for powering sensitive digital circuits.
• High Efficiency: Low dropout voltage contributes to higher efficiency, reducing power waste and heat generation.
• Robust Protection: Built-in 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 1.5V supply.

Additional Details

The AZ1085S-1.5 is typically packaged in a TO-263 package, allowing for efficient heat dissipation. Proper heat sinking is crucial when operating at higher output currents to maintain reliable performance. The device requires external input and output capacitors for stability; the datasheet provides specific recommendations for capacitor selection. This regulator is an excellent choice for applications that demand a stable and efficient 1.5V power supply.