STMicroelectronics

LD1117STR

The LD1117STR is a linear voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable and reliable output voltage from an input voltage source. Here is a description of the LD1117STR, including its features and applications:

Description:

The LD1117STR is a fixed output voltage regulator with an output voltage of 3.3V. It is available in a compact SOT-223 package, making it suitable for space-constrained applications. The regulator has a wide input voltage range of 4V to 40V, making it compatible with a variety of power sources.

Features:

1. Fixed output voltage of 3.3V.
2. Wide input voltage range of 4V to 40V.
3. Compact SOT-223 package.
4. Low dropout voltage, which ensures stable output voltage even with a small difference between the input and output voltages.
5. Short-circuit protection to prevent damage in case of a short circuit.
6. Thermal shutdown protection to prevent overheating.
7. Low quiescent current, which helps to minimize power consumption.

Applications:

The LD1117STR is suitable for a wide range of applications that require a stable 3.3V output voltage. Some common applications include:

1. Power supply for microcontrollers and other digital circuits.
2. Voltage regulation for sensors and analog circuits.
3. Mobile device power management.
4. Portable electronics and battery-powered devices.
5. Industrial control systems and instrumentation.
6. LED lighting and driver circuits.

In summary, the LD1117STR is a reliable and efficient linear voltage regulator that provides a stable 3.3V output voltage. Its wide input voltage range, compact package, and built-in protection features make it suitable for a variety of applications, from low-power portable devices to more demanding industrial systems.