STMicroelectronics LD1117DTTR Voltage Regulator

The STMicroelectronics LD1117DTTR is a low drop voltage regulator capable of providing up to 800mA of output current. This device is designed to provide a stable and reliable power supply for various electronic applications. The LD1117DTTR is part of the LD1117 series, which is known for its low dropout performance, making it an ideal solution for systems where voltage margins are critical.

With an adjustable and fixed output voltage version, the LD1117DTTR offers flexibility for designers. The fixed versions are available with a 1.2V, 1.8V, 2.5V, 2.85V, 3.3V, or 5V output voltage, which covers a broad range of applications. Additionally, the adjustable version allows the output voltage to be set from 1.25V to 13.8V with the use of external resistors.

This regulator features a typical dropout voltage of 1.2V at a maximum output current, ensuring efficiency in operation. It also includes current and thermal limit protections, which safeguard the device and the load from damage due to excessive current or overheating. The LD1117DTTR is also notable for its low quiescent current, which is particularly beneficial in battery-powered devices where power conservation is crucial.

The LD1117DTTR is packaged in a DPAK (TO-252), which is suitable for surface-mount technology (SMT) and offers a compact footprint for space-sensitive designs. This package is designed to optimize the thermal performance and power dissipation, ensuring reliable operation even under full load conditions.

Applications for the LD1117DTTR are diverse and include use in battery-powered devices, personal computers, printers, and other peripheral devices. It is also commonly used in embedded systems and can be found in consumer electronics, automotive applications, and telecommunication infrastructures.

With its combination of low dropout performance, protection features, and flexible output options, the STMicroelectronics LD1117DTTR voltage regulator is a robust choice for designers looking to maintain stable operation in their electronic circuits.