STMicroelectronics

LD1117DT33TR  

Linear & Switching Voltage Regulators

The LD1117DT33TR 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 description of the LD1117DT33TR, its features, and potential applications:

Description:

The LD1117DT33TR is a fixed-output, low-dropout linear regulator with an output voltage of 3.3V. It is available in a small SOT-223 package, making it suitable for space-constrained applications. This LDO regulator is designed to operate with an input voltage range from 4.75V to 15V, making it compatible with a variety of power sources.

Features:

1. Fixed Output Voltage: 3.3V nominal output voltage.
2. Low Dropout Voltage: The LD1117DT33TR can operate with a low input-to-output voltage differential, making it efficient even when the input voltage is close to the output voltage.
3. Wide Input Voltage Range: Suitable for input voltages from 4.75V to 15V.
4. High Output Current Capability: Can supply a continuous output current of up to 1A.
5. Transient Response: The regulator has a fast transient response, making it suitable for applications with dynamic load changes.
6. Short Circuit Protection: Built-in protection against short-circuit conditions.
7. Thermal Shutdown: Includes thermal shutdown protection to prevent damage due to overheating.
8. Small Package: The SOT-223 package is compact, making it suitable for portable and space-constrained applications.

Applications:

1. Portable Electronics: Due to its low dropout voltage and small package, the LD1117DT33TR is ideal for use in battery-powered devices, such as smartphones, tablets, and wearable electronics.
2. Industrial Control Systems: The LDO can provide a stable voltage supply for microcontrollers and other sensitive components in industrial control systems.
3. Telecommunications Equipment: Used to supply power to digital circuits and processors in telecommunications equipment, ensuring reliable operation.
4. Medical Devices: The LD1117DT33TR can be used in medical devices that require a stable and regulated power supply.
5. Automotive Electronics: Suitable for providing power to electronic components in vehicles, such as infotainment systems and sensor modules.
6. Power Supplies: Can be used in linear power supply designs to provide a stable and regulated output voltage.

The LD1117DT33TR is a versatile and efficient LDO regulator that can be used in a wide range of applications requiring a stable 3.3V output. Its low dropout voltage, wide input voltage range, and compact package make it a popular choice for designers looking for a reliable and space-saving voltage regulation solution.

LD1117DT33TR Documents

Download datasheets and manufacturer documentation for LD1117DT33TR

PCN Assembly/Origin :

Mult Dev Wire Chgs 11/Aug/2020      

Datasheets :

LD1117xx      

PCN Packaging :

Mult Dev Inner Box Chg 9/Dec/2021       Box Label Chg 28/Jul/2016      

Other Related Documents :

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HTML Datasheet :

LD1117xx      

PCN Design/Specification :

Back Metal Conversion 21/Jun/2016