STMicroelectronics LD1117ADT50TR Voltage Regulator

The LD1117ADT50TR from STMicroelectronics is a robust and reliable low-dropout voltage regulator designed to provide a fixed 5V output with a maximum current of 1.3A. This component is part of the LD1117A series, which is known for its high efficiency and low voltage drop, making it an ideal solution for a wide range of applications requiring stable power supply.

The device is housed in a DPAK (TO-252) surface-mount package, ensuring a compact footprint that is perfect for space-constrained applications. Its design is optimized for low voltage applications, and it is capable of maintaining a low dropout voltage of just 1.2V at maximum load, which enhances its efficiency and makes it suitable for battery-powered devices.

One of the key features of the LD1117ADT50TR is its built-in thermal overload protection, which safeguards the device and the system it powers from damage due to excessive heat. Additionally, the voltage regulator includes short-circuit protection and a Safe Operating Area (SOA) control, which ensures reliable operation even under extreme conditions.

The versatility of the LD1117ADT50TR is further enhanced by its wide input voltage range, accepting voltages from 6.5V to 15V. This flexibility allows designers to use the device in a variety of circuits without worrying about input voltage variations. Moreover, the regulator provides excellent line and load regulation, ensuring a stable output voltage even with changes in input voltage or load conditions.

For noise-sensitive applications, the LD1117ADT50TR excels with its low output noise characteristics, making it an excellent choice for audio, RF, and precision instrumentation systems. The device can be easily used in conjunction with external capacitors to further reduce the output noise.

In summary, the LD1117ADT50TR from STMicroelectronics is a high-performance, fixed-output voltage regulator that delivers reliability, efficiency, and precision. Its protective features, combined with its small form factor and noise reduction capabilities, make it a top choice for engineers and designers looking to create stable and efficient power supply solutions.