STMicroelectronics LD1117AL-ADJ-AA3-AR Voltage Regulator - Product Overview

The LD1117AL-ADJ-AA3-AR from STMicroelectronics is a highly reliable, low-dropout linear voltage regulator designed to provide a regulated output with adjustable voltages. This component is an ideal solution for a wide range of applications, including but not limited to, consumer electronics, automotive industries, and embedded systems that require stable voltage supplies.

With its adjustable output, this regulator can deliver a voltage range from 1.25V to 13.8V, which can be set by external resistors. This feature provides the flexibility needed to cater to various electronic circuits and components that demand different voltage levels. The LD1117AL-ADJ-AA3-AR is capable of supplying up to 800mA of output current, making it suitable for moderate power needs.

The device exhibits an excellent load and line regulation, ensuring a consistent output despite variations in the input voltage or changes in the load. The low dropout voltage of the LD1117AL-ADJ-AA3-AR means that it can maintain regulation with a minimal difference between the input and output voltages, which is particularly useful for battery-operated devices where maximizing the use of available power is crucial.

Safety and reliability are key aspects of the LD1117AL-ADJ-AA3-AR design. It incorporates several protection features including thermal shutdown, which prevents damage from overheating, and current limiting, which protects the device and the load from excessive currents. The regulator also has the ability to remain stable with low ESR output capacitors, which broadens its compatibility with different types of capacitors and simplifies the design process.

The LD1117AL-ADJ-AA3-AR comes in a small SOT-223 package, which is not only space-saving but also allows for efficient heat dissipation. This compact form factor makes it an excellent choice for space-constrained applications. STMicroelectronics' commitment to quality ensures that this voltage regulator maintains a high level of performance and reliability, making it a trusted component for any design engineer's power supply needs.

For additional information, datasheets, and technical support, customers can visit the official STMicroelectronics website or contact their local sales office.