The LD1117ASTR from STMicroelectronics is a versatile and reliable low drop voltage regulator that is designed to provide a fixed or adjustable output voltage. This component is particularly suited for applications that require up to 800mA of output current and is widely used in various electronic devices due to its stability and efficiency.

Key Features

• Low Dropout Performance: The LD1117ASTR boasts a low dropout voltage, which means it can regulate output voltage even when the supply voltage is very close to the output voltage, enhancing its efficiency in battery-powered devices.
• Wide Input Voltage Range: This regulator can operate with input voltages from 2.6V to 15V, making it versatile for a wide range of applications and ensuring compatibility with various power supplies.
• Current and Over Temperature Protection: The device includes internal current limiting and thermal shutdown features, which protect the electronic components from damage due to excessive current or overheating.
• Adjustable Output Voltage: While the LD1117ASTR can provide a fixed output voltage, it also allows for the output voltage to be adjusted using external resistors, giving designers flexibility in their circuit designs.
• Low Noise: It is designed to suppress noise, making it ideal for noise-sensitive applications such as audio and RF circuits.

Applications

The LD1117ASTR is used in a variety of applications, including but not limited to:

• Consumer Electronics
• Computer Systems
• Automotive Electronics
• Telecommunication Devices
• Power Management Solutions

Package and Quality

The device is available in a SOT-223 package, which is suitable for surface-mount technology (SMT) and is compact enough for high-density PCB designs. STMicroelectronics ensures high-quality standards, and the LD1117ASTR is no exception, providing reliable performance in a range of conditions and applications.

With its combination of features and reliability, the LD1117ASTR is a go-to voltage regulator for engineers and designers looking to create stable and efficient electronic systems.