The AZ1084T-3.3 is a low dropout (LDO) positive voltage regulator manufactured by BCD Semiconductor Manufacturing Limited. It is designed to provide a stable and regulated 3.3V output voltage with a minimal voltage drop between the input and output. LDO regulators are commonly used in a wide range of electronic devices to provide a stable power supply for sensitive components. The AZ1084T-3.3 is characterized by its high accuracy, low noise, and good transient response.

Applications

• Microcontroller power supplies
• Post-regulation for switching power supplies
• Battery-powered devices
• Linear power supplies
• Hard disk drives
• DVD players

Features

• Low dropout voltage: Maintains a stable output voltage even with a small input-output voltage difference.
• High output current: Delivers a high output current to power various loads.
• Fixed output voltage: Provides a precisely regulated 3.3V output voltage.
• Overcurrent protection: Protects the regulator and the load from overcurrent conditions.
• Thermal shutdown: Shuts down the regulator to prevent overheating.
• High accuracy: Maintains a precise output voltage.

Benefits

• Stable power supply: Provides a stable and regulated 3.3V output voltage.
• Protection against overcurrent and overheating: Protects the regulator and the load from damage.
• Improved system performance: Reduces noise and improves the transient response of the power supply.
• Efficient operation: Low dropout voltage improves efficiency, especially in battery-powered applications.
• Simplified system design: Requires minimal external components.

Additional Details

The AZ1084T-3.3 typically comes in a TO-220 package. It requires a minimum input voltage slightly above 3.3V to operate correctly. The device features internal overcurrent protection and thermal shutdown to prevent damage from excessive current draw or overheating. The regulator's datasheet should be consulted for detailed specifications, including dropout voltage characteristics, maximum output current ratings, and thermal resistance. Appropriate heat sinking may be required depending on the output current and ambient temperature to prevent the regulator from overheating. The regulator is commonly used in applications requiring a stable 3.3V power supply with protection features. An output capacitor is typically required for stability.