The APE1117AH is a low dropout positive voltage regulator capable of providing up to 1A of output current. Manufactured by Advanced Power Electronics Corp, it is designed for applications requiring a stable and regulated voltage supply, particularly where the input voltage is close to the desired output voltage. Its low dropout voltage characteristic enhances efficiency and extends battery life in portable applications.

Applications

• Battery Chargers
• Post Regulation for Switching Supplies
• Motherboard Power Supplies
• Graphics Card Power Supplies
• LCD Monitor Power

Features

• Low Dropout Voltage: Typically 1.2V at 1A
• Adjustable and Fixed Output Voltages Available
• 1A Output Current Capability
• Built-in Thermal Overload Protection
• Current Limiting Protection
• Available in SOT-223 Package

Benefits

• Stable and Regulated Voltage: Provides a consistent output voltage, even under varying load conditions, ensuring stable operation of connected devices.
• Increased Efficiency: Low dropout voltage minimizes power dissipation, leading to higher efficiency and reduced heat generation.
• Overload Protection: Thermal overload and current limiting protection safeguard the regulator and the load from potential damage due to excessive heat or current.
• Flexible Output Voltage Options: Available in both adjustable and fixed voltage options, catering to diverse application requirements.
• Compact Size: The SOT-223 package offers a compact footprint, making it suitable for space-constrained applications.

Technical Specifications

• Output Voltage: Adjustable (1.25V to V_IN-1.2V) or Fixed (various voltages available)
• Output Current: 1A (Maximum)
• Dropout Voltage: 1.2V (Typical at 1A)
• Line Regulation: 0.2% (Maximum)
• Load Regulation: 0.4% (Maximum)
• Operating Temperature Range: -40°C to +125°C
• Package: SOT-223