LD1117S50TR in LM1117 / LD1117 LDO Family
The LD1117S50TR is a high-performance low dropout linear regulator (LDO) manufactured by STMicroelectronics. It belongs to the broader LD1117 family, providing a fixed 5V output capable of delivering up to 800mA. It is engineered for industrial and consumer applications that require efficient power conversion from higher DC rails with a low dropout voltage of typically 1.1V at full load, offering a more robust current profile than standard 150mA regulators in compact SOT-223 packaging.
Variants in This Sub-Family
Variants within the LD1117 sub-family primarily differ by output voltage configuration and package type. While the LD1117S50TR provides a fixed 5V output in a SOT-223 package, other versions offer adjustable outputs from 1.25V to 15V or different fixed steps like 1.8V and 3.3V. Packaging options including DPAK and TO-220 cater to different thermal dissipation requirements and PCB space constraints in high-current designs.
