STMicroelectronics

LD1117AS18TR

The LD1117AS18TR is a low-dropout (LDO) linear voltage regulator produced by STMicroelectronics. It is designed to provide a stable and reliable voltage output for a wide range of applications. Here is a brief description of the model, its features, and potential applications:

Description:

The LD1117AS18TR is a fixed-output, low-dropout voltage regulator with an output voltage of 1.8V. It is available in a small SOT-223 package, making it suitable for space-constrained applications. The LDO is designed to operate over a wide input voltage range and offers excellent load and line regulation.

Features:

1. Output Voltage: The LD1117AS18TR provides a fixed output voltage of 1.8V.
2. Low Dropout Voltage: It features a low dropout voltage, which means it can efficiently regulate the output voltage even when the input voltage is close to the output voltage.
3. Wide Input Voltage Range: The LDO can handle input voltages from 2.5V to 15V, making it suitable for various power supply scenarios.
4. High Output Current: The LD1117AS18TR is capable of delivering a continuous output current of up to 800mA.
5. Short Circuit Protection: It includes built-in short-circuit protection to prevent damage to the device in case of a short circuit.
6. Thermal Shutdown: The LDO features thermal shutdown protection to prevent overheating and potential damage.
7. Small Package: The SOT-223 package is compact, making it suitable for applications with limited space.
8. Low Quiescent Current: The LD1117AS18TR has a low quiescent current, which helps to minimize power consumption in battery-powered applications.

Applications:

1. Portable Electronics: Due to its low power consumption and wide input voltage range, the LD1117AS18TR is suitable for use in portable electronic devices like smartphones, tablets, and wearables.
2. Power Supplies: It can be used in battery-powered systems or as a post-regulator in switching power supply systems to provide a stable and clean voltage output.
3. Sensors and Transducers: The LD1117AS18TR can be used to power low-power sensors and transducers that require a stable voltage supply.
4. Microcontroller Power: It is suitable for providing a stable power supply to microcontrollers and other integrated circuits in embedded systems.
5. Industrial Equipment: The LD1117AS18TR can be used in industrial equipment where a stable and reliable voltage supply is required.

Overall, the LD1117AS18TR is a versatile and efficient LDO voltage regulator that can be used in a wide range of applications requiring a stable and reliable 1.8V output.