The LD1117DT33CTR is an LDO (Low Drop-Out) linear voltage regulator manufactured by STMicroelectronics with a fixed output voltage of 3.3V and a maximum output current of 0.95A. This voltage regulator has an accuracy of ±2% and is available as a DPAK-style surface mount device. The LD1117DT33CTR is specially designed to provide high efficiency and low output voltage ripple in a wide range of applications. It is capable of operating under high temperatures, and its extremely low power consumption makes it an ideal choice for battery operated equipment.