STMicroelectronics

LD1117S18CTR

The LD1117S18CTR is a low-dropout (LDO) linear voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable and reliable output voltage to power various electronic devices and circuits.

Description:

The LD1117S18CTR is a fixed-output, low-dropout voltage regulator with an output voltage of 1.8V. It has a very low dropout voltage, which means it can operate efficiently even when the input voltage is close to the output voltage. The regulator has a small package size, making it suitable for compact and space-constrained applications.

Features:

1. Fixed output voltage of 1.8V
2. Low dropout voltage for efficient operation
3. High input voltage range (4.75V to 15V)
4. Low quiescent current (typically 70µA)
5. Short-circuit protection
6. Overload protection
7. Thermal shutdown protection
8. Small package size (SOT-89-3)

Applications:

The LD1117S18CTR is suitable for a wide range of applications that require a stable and reliable 1.8V output voltage. Some common applications include:

1. Powering microcontrollers and other logic circuits
2. Providing a stable voltage supply for sensors and analog circuits
3. Regulating power to USB-powered devices
4. Supplying voltage to low-power wireless communication modules
5. Voltage regulation in battery-powered devices
6. Voltage conversion in power supply circuits

In summary, the LD1117S18CTR is a low-dropout linear voltage regulator with a fixed output voltage of 1.8V. It offers a range of features, including low quiescent current, protection features, and a small package size, making it suitable for various electronic applications where a stable and reliable voltage supply is required.