The AZ1117S-3.3 is a low dropout (LDO) positive voltage regulator from BCD Semiconductor Manufacturing Limited. It is designed to provide a stable 3.3V output voltage with a minimal voltage drop, making it ideal for various electronic applications requiring efficient power management and stable voltage regulation. Please consider its End-of-Life (EOL) status for new designs.

Applications

• Post Regulation for Switching Power Supplies
• Linear Regulation
• Battery Chargers
• Microcontroller Power Supplies
• Logic Circuits Power Supplies

Features

• Low Dropout Voltage: Ensures stable output even with a small input-output voltage difference.
• Fixed Output Voltage: Provides a stable 3.3V output.
• Output Current: Capable of delivering up to 1A of output current.
• Overcurrent Protection: Protects the regulator and connected circuitry from excessive current draw.
• Thermal Overload Protection: Shuts down the regulator to prevent damage from overheating.

Benefits

• Efficient Power Conversion: Minimizes power loss, extending battery life and reducing heat generation.
• Stable Output Voltage: Ensures consistent and reliable operation of downstream components.
• Enhanced System Reliability: Protects the regulator and load from potential damage due to overcurrent or thermal events.
• Simplified Design: Requires minimal external components for operation.
• Cost-Effective Solution: Provides a good balance of performance and cost.

Additional Details

The AZ1117S-3.3 is commonly packaged in a SOT-223 package for efficient heat dissipation. External input and output capacitors are recommended for stability and optimal performance. For detailed specifications, including input voltage range, output voltage tolerance, thermal resistance, and recommended capacitor values, refer to the official datasheet provided by BCD Semiconductor Manufacturing Limited. Given that this is an End-of-Life (EOL) product, ensure availability and consider alternative options for new designs and long-term production requirements.