STMicroelectronics

LD1117DT18CTR

The LD1117DT18CTR is a low-dropout (LDO) linear voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable and reliable voltage output across a wide range of input voltages and load conditions. Here is a description of the LD1117DT18CTR, including its features and applications:

Description:

The LD1117DT18CTR is a fixed-output, low-dropout linear voltage regulator with an output voltage of 1.8V. It is available in a thermally-enhanced, miniature SOT-223 package, making it suitable for space-constrained applications. The regulator features a low quiescent current, which helps to minimize power consumption and extend the battery life in portable devices.

Features:

1. Fixed output voltage of 1.8V.
2. Low dropout voltage (max 300mV at full load).
3. Wide input voltage range (3V to 15V for the adjustable version, or 4.5V to 15V for the fixed version).
4. High output current capability (up to 1A).
5. Low quiescent current (typically 70µA).
6. Transient response with a short-circuit protection.
7. Overload protection.
8. Thermal shutdown protection.
9. Compact SOT-223 package for space-constrained applications.

Applications:

The LD1117DT18CTR is suitable for a wide range of applications where a stable and reliable voltage supply is required. Some common applications include:

1. Portable electronic devices, such as smartphones, tablets, and wearable devices.
2. Battery-powered devices, where minimizing power consumption is crucial.
3. Telecommunication equipment, where a stable voltage supply is essential for reliable operation.
4. Industrial control systems, where a reliable voltage supply is needed for various electronic components.
5. Automotive electronics, where a stable voltage supply is required for various electronic modules and systems.
6. Power supplies for IoT devices and sensors, where a low-dropout voltage regulator can help extend battery life.

In summary, the LD1117DT18CTR is a low-dropout linear voltage regulator with a fixed output voltage of 1.8V, designed for use in a variety of applications where a stable and reliable voltage supply is required. Its compact package, low quiescent current, and wide input voltage range make it suitable for both portable and industrial applications.