STMicroelectronics

LD1117S50TR  

Linear & Switching Voltage Regulators

The LD1117S50TR is a low-dropout (LDO) linear voltage regulator manufactured by STMicroelectronics. This LDO is part of the LD1117 series, which offers a wide input voltage range and low quiescent current, making it suitable for a variety of applications.

Description:

The LD1117S50TR is a fixed-output, low-dropout linear voltage regulator with an output voltage of 5.0V. It is available in a compact SOT-223 package, which is suitable for space-constrained applications.

Features:

1. Fixed output voltage of 5.0V.
2. Wide input voltage range: 4.75V to 15V.
3. Low dropout voltage: typically 700mV at full load.
4. High output current capability: up to 1A.
5. Low quiescent current: typically 1.2mA.
6. Internal short-circuit protection.
7. Thermal shutdown protection.
8. Enable function for power management.
9. Compact SOT-223 package.

Applications:

The LD1117S50TR is suitable for a wide range of applications due to its low dropout voltage, high output current, and low quiescent current. Some common applications include:

1. Power supply for microcontrollers and other digital circuits.
2. Voltage regulation in battery-powered devices, such as smartphones, tablets, and wearables.
3. Voltage conversion in automotive and industrial systems.
4. Voltage regulation for sensors and analog circuits.
5. Power management in portable electronic devices and IoT applications.

In summary, the LD1117S50TR is a versatile and efficient LDO voltage regulator that can be used in various applications requiring a stable 5.0V output with a wide input voltage range and low power consumption. Its compact package and built-in protection features make it an attractive choice for space-constrained and power-sensitive designs.

LD1117S50TR Documents

Download datasheets and manufacturer documentation for LD1117S50TR

PCN :

Linear Voltage Regulators - Back Metal Conversion from Cr/Ni/Au to Cr/Ni/Ag for Bipolar Technology in Ang Mo Kio (Singapore) FE plant (PDF)       Product Change Notification (PDF)      

Models :

LD1117S50TR Symbol & Footprint by SnapMagic