STMicroelectronics LD1117AS33TR Voltage Regulator

The LD1117AS33TR from STMicroelectronics is a low-dropout (LDO) voltage regulator that offers the perfect solution for robust, low-power, and stable voltage regulation. Designed to maintain accuracy and reliability, this component is ideal for a wide range of applications, including consumer electronics, computer peripherals, and embedded systems.

Key Features

• Output Voltage: The LD1117AS33TR provides a fixed output voltage of 3.3V, which is a common requirement for digital circuits and microcontroller-based projects.
• High Efficiency: As an LDO regulator, it operates with a very low dropout voltage, which means it can maintain output regulation with a minimal difference between the input and output voltages, leading to higher efficiency.
• Output Current: Capable of delivering up to 800mA of continuous output current, making it suitable for a variety of power applications.
• Thermal Overload Protection: The built-in thermal shutdown feature ensures that the device is protected from damage due to overheating.
• Short Circuit Protection: The regulator also includes short circuit protection to safeguard your circuitry in case of a fault condition.
• Low Ground Current: The ground current is low at the dropout condition, which helps in maintaining efficiency and prolonging battery life in portable applications.
• Package: Provided in the SOT-223 package, it is compact and suitable for high-density circuit boards.

Applications

The versatility of the LD1117AS33TR makes it an excellent choice for a variety of applications, including:

• Portable devices
• Post-regulation for switching supplies
• Battery-powered devices
• Microcontroller power supply
• Peripheral power supply

Conclusion

With its combination of features, the LD1117AS33TR voltage regulator from STMicroelectronics is a reliable and efficient choice for designers looking to stabilize voltage in their electronic applications. Its thermal and short circuit protection features ensure a long operational life and stable performance, while its SOT-223 package makes it easy to integrate into a wide range of electronic projects.