The LD1117STR-E from STMicroelectronics is a robust, versatile low-dropout voltage regulator designed to provide a stable power supply for a wide range of applications. This regulator is capable of delivering up to 800mA of output current while maintaining a low dropout voltage, making it an excellent choice for systems that require a stable voltage source with moderate current demands.

Key Features

• Low Dropout Performance: The LD1117STR-E is characterized by its low dropout voltage, which ensures efficient operation even when the input voltage is close to the output voltage. This feature is particularly beneficial in battery-powered applications where maximizing the use of available power is crucial.
• Output Current: Capable of providing up to 800mA of output current, this regulator can support a range of devices, from microcontrollers to small motors, without compromising performance.
• Adjustable Output Voltage: With the ability to adjust the output voltage from 1.25V to 13.7V via external resistors, the LD1117STR-E offers flexibility for various design requirements.
• Thermal Overload Protection: The built-in thermal overload protection safeguards the device against excessive power dissipation that could lead to overheating, ensuring reliable operation under different conditions.
• Short Circuit Protection: The short circuit protection feature prevents damage to the regulator and the connected load in case of a fault, contributing to the overall robustness of the system.

Applications

The LD1117STR-E is suitable for a diverse set of applications, including but not limited to:

• Consumer Electronics
• Computer Systems
• Telecommunication Devices
• Portable Equipment

Its compact SOT-223 package allows for efficient use of PCB space, making it an ideal choice for space-constrained applications. The combination of its features and package design makes the LD1117STR-E a reliable and efficient solution for your voltage regulation needs.