STMicroelectronics LD1117S33A - Voltage Regulator

The LD1117S33A from STMicroelectronics is a robust and reliable low drop voltage regulator capable of delivering up to 800mA of output current. Designed to provide a fixed 3.3V output voltage with a typical dropout voltage of just 1.1V at maximum output, this component is ideal for a wide range of applications where efficiency and stability are key.

Key Features

• Output Voltage: Fixed output of 3.3V, suitable for standard digital ICs and 3.3V logic supplies.
• High Efficiency: Low dropout voltage (typically 1.1V at 800mA) ensures efficient operation, especially beneficial in battery-powered devices.
• Output Current: Capable of providing up to 800mA, making it suitable for moderate to high current applications.
• Thermal Overload Protection: Built-in thermal shutdown prevents damage from overheating, enhancing the longevity of the device.
• Short Circuit Protection: In-built short circuit protection features safeguard the regulator and the load from potential damage due to short circuits.
• Low Ground Current: The low ground current of the LD1117S33A contributes to the overall efficiency of the system.
• Adjustable Versions: While the LD1117S33A is fixed at 3.3V, the LD1117 series also includes adjustable versions for a custom output voltage.

Applications

The versatility of the LD1117S33A makes it a perfect choice for a variety of electronic applications, including:

• Consumer Electronics
• Computer Systems
• Telecommunication Equipments
• Industrial Controls
• Battery-Powered Devices

Package and Quality

The LD1117S33A is available in multiple packages, including the popular TO-220, providing flexibility for different space requirements and PCB layouts. STMicroelectronics ensures high manufacturing standards, resulting in a product that delivers consistent performance and reliability.

For detailed specifications, application notes, and additional resources, users can refer to the official STMicroelectronics website or contact their support for technical assistance.