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概述
Description
The LM1117IDTX-ADJ is a voltage regulator designed for applications requiring a stable and adjustable output voltage. It is part of the LM1117 series, which offers a low dropout linear regulator with a dropout voltage of approximately 1.2 volts at full load. The "ADJ" suffix indicates that this model allows for an adjustable output, providing flexibility in setting the desired voltage level with a range from 1.25V to 13.8V, depending on input conditions.
The device can deliver up to 800 mA of output current, making it suitable for various electronic applications, including consumer electronics, microprocessor power supplies, and other systems that require efficient voltage regulation. The LM1117IDTX-ADJ features thermal overload protection and current limiting to safeguard against overcurrent conditions and overheating.
Packaged in a TO-252 form factor, it offers ease of installation on PCBs with limited space. It also comes with a typical line regulation of 0.01% and load regulation of 0.1%, ensuring stable performance. With its ease of use and robust design, it's widely implemented in various projects needing adjustable voltage regulation.
The device can deliver up to 800 mA of output current, making it suitable for various electronic applications, including consumer electronics, microprocessor power supplies, and other systems that require efficient voltage regulation. The LM1117IDTX-ADJ features thermal overload protection and current limiting to safeguard against overcurrent conditions and overheating.
Packaged in a TO-252 form factor, it offers ease of installation on PCBs with limited space. It also comes with a typical line regulation of 0.01% and load regulation of 0.1%, ensuring stable performance. With its ease of use and robust design, it's widely implemented in various projects needing adjustable voltage regulation.
Equivalent
The LM1117IDTX-ADJ is a voltage regulator with adjustable output. Equivalent products include the AMS1117-ADJ, LD1117-ADJ, and NCP1117-ADJ. These components typically offer similar performance in terms of output voltage range and current capability. However, always check the specific datasheets to ensure compatibility in terms of pin configuration, thermal performance, and electrical characteristics for your application.
Features
The LM1117IDTX-ADJ is a low-dropout (LDO) linear voltage regulator designed for applications requiring a robust power supply solution with adjustable output. Key features include:
1. Adjustable Output Voltage: The LM1117IDTX-ADJ allows for output voltage adjustment, enabling custom voltage settings tailored to specific application needs.
2. Low Dropout Voltage: It offers a low dropout voltage of approximately 1.2V at full load, improving efficiency when the input voltage is close to the output voltage.
3. Output Current: Capable of delivering up to 800 mA of output current, suitable for powering various electronic circuits.
4. Load and Line Regulation: Provides excellent load and line regulation which ensures stable output voltage despite variations in input voltage or output load current.
5. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
6. Current Limiting: Integrated current limiting to safeguard against short-circuit conditions.
7. Package Options: Available in surface-mount packages such as SOT-223, enhancing design flexibility and space-saving on printed circuit boards.
These features make it suitable for a wide range of applications, including consumer electronics, industrial equipment, and communication devices.
1. Adjustable Output Voltage: The LM1117IDTX-ADJ allows for output voltage adjustment, enabling custom voltage settings tailored to specific application needs.
2. Low Dropout Voltage: It offers a low dropout voltage of approximately 1.2V at full load, improving efficiency when the input voltage is close to the output voltage.
3. Output Current: Capable of delivering up to 800 mA of output current, suitable for powering various electronic circuits.
4. Load and Line Regulation: Provides excellent load and line regulation which ensures stable output voltage despite variations in input voltage or output load current.
5. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
6. Current Limiting: Integrated current limiting to safeguard against short-circuit conditions.
7. Package Options: Available in surface-mount packages such as SOT-223, enhancing design flexibility and space-saving on printed circuit boards.
These features make it suitable for a wide range of applications, including consumer electronics, industrial equipment, and communication devices.
Pinout
The LM1117IDTX-ADJ is a voltage regulator with an adjustable output. It typically comes in a 3-pin package with the following pin functions:
1. Input (Vin): This is the pin where the input voltage is supplied. The device can handle input voltages ranging from about 4.75V to 20V.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage is adjustable based on external resistor configurations, typically from 1.25V to about 13.8V.
3. Adjust (Adj): This pin is used to adjust the output voltage. By connecting resistors between the Adjust pin and Output pin, and between the Adjust pin and Ground, you can set the desired output voltage according to the formula provided in the datasheet.
The LM1117IDTX-ADJ is designed for a variety of applications where a stable, adjustable voltage output is required, such as in powering microcontrollers, sensors, and other devices that require precise voltage levels.
1. Input (Vin): This is the pin where the input voltage is supplied. The device can handle input voltages ranging from about 4.75V to 20V.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage is adjustable based on external resistor configurations, typically from 1.25V to about 13.8V.
3. Adjust (Adj): This pin is used to adjust the output voltage. By connecting resistors between the Adjust pin and Output pin, and between the Adjust pin and Ground, you can set the desired output voltage according to the formula provided in the datasheet.
The LM1117IDTX-ADJ is designed for a variety of applications where a stable, adjustable voltage output is required, such as in powering microcontrollers, sensors, and other devices that require precise voltage levels.
Manufacturer
The LM1117IDTX-ADJ is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. TI is well-known for its innovation in the electronics industry, supplying components that are crucial for various applications, including consumer electronics, industrial equipment, automotive systems, communications, and more. The company focuses on providing high-quality products that improve performance and efficiency in electronic devices.
Application
The LM1117IDTX-ADJ is a low-dropout voltage regulator commonly used in applications requiring stable voltage regulation. Its primary application areas include powering microcontrollers, digital signal processors, and communication devices. It is widely used in consumer electronics, computers, and networking equipment due to its ability to provide a consistent output voltage with varying input voltages. Additionally, it is suitable for battery-powered devices, portable instruments, and industrial automation systems, where efficient power management is crucial. The adjustable output capability allows for customization in various circuits, making it versatile for both commercial and industrial applications.
Package
The LM1117IDTX-ADJ is a low dropout voltage regulator, packaged in a SOT-223. This package type is designed for surface-mount applications, providing a compact form factor for efficient heat dissipation.
