The AP1117TL is a low dropout (LDO) positive voltage regulator produced by Anachip Corp. It's designed to provide a stable output voltage even when the input voltage is close to the desired output, making it suitable for battery-powered and other efficiency-sensitive applications.

Applications:

• Post regulator for switching power supplies
• Battery chargers
• Motherboard power supplies
• Voltage regulation for microcontrollers
• Linear regulation in consumer electronics

Features:

• Low dropout voltage
• Fixed and adjustable output voltage options available
• 1A output current capability
• Built-in thermal shutdown protection
• Current limiting protection
• Available in SOT-223 and TO-252 packages

Benefits:

• Increased efficiency due to low dropout voltage, extending battery life in portable devices.
• Flexible design with fixed and adjustable output voltage options.
• Protection against overheating with thermal shutdown.
• Protection against overcurrent with current limiting.
• Stable and reliable voltage regulation for sensitive electronic components.

Technical Specifications:

The AP1117TL offers a dropout voltage typically around 1.1V at 1A output current. Fixed output voltage options include 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V. An adjustable version is also available, allowing the output voltage to be set using external resistors. It incorporates both thermal shutdown and current limiting as protection features. It is available in SOT-223 and TO-252 packages for efficient heat dissipation. The operating junction temperature ranges from -40°C to +125°C.

This LDO regulator is an excellent choice for applications that require stable voltage regulation with minimal power loss. Its built-in protection features and small package options make it a versatile solution for various electronic devices and systems. The low dropout characteristic is especially valuable in battery-powered applications, ensuring consistent performance as the battery discharges.