Product Overview: LM1117IMP-ADJ from Texas Instruments

The LM1117IMP-ADJ is a highly reliable, low dropout voltage regulator from the industry-leading semiconductor manufacturer, Texas Instruments. This adjustable version of the LM1117 series is designed to provide a variable output voltage, which can be set from 1.25V to 13.8V with the use of external resistors. Its ability to source up to 800mA of output current makes it a versatile choice for a wide range of applications.

The LM1117IMP-ADJ is housed in a compact SOT-223 package, which makes it suitable for space-constrained applications. Despite its small size, it offers excellent thermal performance and full fault protection features, including over-temperature shutdown and current limiting, ensuring the safety and reliability of the applications it powers.

Key Features

• Adjustable Output Voltage: The output voltage can be set from 1.25V to 13.8V using two external resistors, providing flexibility in application design.
• High Output Current: Capable of delivering up to 800mA of continuous output current, it is suitable for a wide array of devices.
• Low Dropout: The low dropout voltage (typically 1.2V at 800mA) allows for efficient operation even with very low input-to-output voltage differentials.
• Thermal Protection: The built-in thermal shutdown feature protects the device from overheating, enhancing system safety.
• Current Limiting: Current limiting prevents damage to the regulator during fault conditions such as output short circuits.
• Package: Available in a small SOT-223 package, it's ideal for portable and space-sensitive applications.

Applications

The LM1117IMP-ADJ is a versatile component that can be used in a variety of electronic circuits. Its applications span from simple power supplies to complex industrial systems. Common uses include:

• Portable and battery-powered equipment
• Post-regulation for switching supplies
• Adjustable power supplies
• Peripheral drivers

With its combination of features, the LM1117IMP-ADJ from Texas Instruments is an excellent choice for designers looking for a robust and flexible voltage regulation solution. Its ease of use, coupled with the support and reliability of Texas Instruments, makes it a go-to component for ensuring stable power delivery in a multitude of electronic products.