STMicroelectronics LD1117V-DG Voltage Regulator

The LD1117V-DG from STMicroelectronics is a robust low-dropout voltage regulator designed to provide a stable output voltage with a low drop across a wide range of input voltages and load conditions. This versatile component is an ideal choice for a variety of applications, including but not limited to consumer electronics, computer peripherals, and industrial hardware.

Key Features

• Low Dropout Performance: The LD1117V-DG boasts a low dropout voltage, which ensures efficient operation even when the input voltage is close to the output voltage, making it highly suitable for battery-powered applications.
• Adjustable and Fixed Output: This regulator comes in both adjustable and fixed versions, providing flexibility for different design requirements. The fixed versions are available in several standard voltages, while the adjustable version can be set to any value between 1.25V and 13.7V with external resistors.
• High Output Current: Capable of delivering up to 800mA of output current, the LD1117V-DG can easily handle moderate to high current demands.
• Thermal Overload Protection: The device includes built-in thermal overload protection that shuts down the output if the temperature exceeds safe operating limits, thereby safeguarding the regulator and the connected components from damage.
• Short Circuit Protection: In addition to thermal protection, the LD1117V-DG is equipped with short circuit protection, enhancing the overall reliability of the system it is integrated into.
• Low Ground Current: The low ground current characteristic of this regulator contributes to its overall efficiency, making it suitable for low power consumption designs.

Applications

The LD1117V-DG is well-suited for a broad range of applications, including:

• Consumer electronics such as audio/video equipment
• Portable devices and battery-powered gadgets
• Computer systems and peripherals
• Industrial equipment requiring stable voltage supply

Package and Quality

STMicroelectronics packages the LD1117V-DG in a TO-220 package, known for its ease of mounting and excellent thermal performance. The device meets the stringent quality standards expected from STMicroelectronics, ensuring reliable performance in a wide array of operating conditions.