The AZ1117BH-1.2 is a low dropout positive voltage regulator from BCD Semiconductor Manufacturing Limited. This regulator is specifically designed to provide a stable and precise 1.2V output voltage. With its low dropout voltage, it is well-suited for applications where the input voltage is close to the desired output voltage. The device includes integrated protection features to ensure reliable operation and long-term stability.

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 even when the input voltage is only slightly higher than the output voltage.
• Output Voltage: Fixed 1.2V output voltage.
• Output Current: Capable of delivering up to 1A of output current.
• Thermal Overload Protection: Protects the regulator from damage caused by excessive heat.
• Short Circuit Protection: Prevents damage from short circuits at the output.
• Reverse Polarity Protection: Protects the regulator from damage if the input voltage is applied with reverse polarity.

Benefits

• Stable 1.2V Supply: Provides a consistent and accurate 1.2V output, essential for powering sensitive electronic components.
• High Efficiency: Low dropout voltage maximizes efficiency, minimizing power dissipation and heat generation.
• Enhanced Reliability: Integrated protection features safeguard against common electrical faults, extending the lifespan of the regulator and the overall system.
• Easy to Use: Requires minimal external components for operation, simplifying circuit design.
• Cost-Effective: Offers a reliable and efficient voltage regulation solution at a competitive price point.

Additional Details

The AZ1117BH-1.2 is typically available in a TO-220 package, facilitating easy mounting and effective heat dissipation. Proper heat sinking is essential, particularly when operating at high output currents or in high ambient temperatures. The regulator requires input and output capacitors for stable operation; consult the datasheet for specific recommendations on capacitor selection. The datasheet provides detailed information on the regulator's electrical characteristics, thermal resistance, and recommended operating conditions, ensuring effective integration into various applications. The "BH" suffix typically indicates a specific package or lead-free option, which should be confirmed with the manufacturer's datasheet.