LM1117IDTX-ADJ

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LM1117IDTX-ADJ

IC REG LINEAR ADJ POS LDO REG

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Спецификации

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Description

The LM1117IDTX-ADJ is a versatile, adjustable voltage regulator from Texas Instruments designed for a wide range of applications requiring a reliable power supply. It belongs to the LM1117 series, which is known for its low dropout voltage of approximately 1.2V at full load, making it efficient for systems with lower headroom between input and output voltages. The "ADJ" in its name indicates that it offers an adjustable output voltage, allowing users to set the desired output level with the use of external resistors.
This particular model is housed in a SOT-223 package, which is compact and suitable for surface-mount applications, contributing to efficient space usage on printed circuit boards. The device can deliver up to 800mA of output current and features internal current limiting, thermal shutdown, and safe area compensation, ensuring reliability and protection against overload conditions.
The LM1117IDTX-ADJ is commonly used in applications such as microprocessor power supplies, battery chargers, and consumer electronics where precise voltage regulation is crucial. Its ease of use, combined with robust performance characteristics, makes it a popular choice among engineers and designers.

Features

The LM1117IDTX-ADJ is a versatile low-dropout linear voltage regulator designed for a variety of applications. Key features include:
1. Adjustable Output Voltage: It provides an adjustable output, allowing users to set the desired voltage level easily.
2. Output Current Capability: The device can deliver up to 800 mA of output current, suitable for powering various electronic circuits.
3. Low Dropout Voltage: It has a low dropout voltage of approximately 1.2 V at maximum output current, which enhances efficiency and performance in low-voltage applications.
4. Thermal Protection: The regulator includes built-in thermal protection to prevent damage from overheating, thus ensuring reliable operation.
5. Short-Circuit Protection: It features short-circuit protection, adding a layer of safety by preventing excessive current flow that could damage the system.
6. Stability: The LM1117IDTX-ADJ is stable with a variety of output capacitors, making it flexible and easy to integrate into different designs.
7. Package: It is available in a compact SOT-223 package, suitable for space-constrained applications.
Overall, the LM1117IDTX-ADJ is a robust choice for applications requiring a reliable, adjustable, and efficient voltage regulation solution.

Package

The LM1117IDTX-ADJ is a low-dropout linear voltage regulator in a SOT-223 package. It is designed to provide adjustable output voltage regulation with a current output of up to 800 mA. The package type, SOT-223, is a small-outline transistor package commonly used for surface-mount devices in electronic circuits.

Pinout

The LM1117IDTX-ADJ is a low dropout voltage regulator with an adjustable output. It typically comes in a SOT-223 or TO-252 package, which usually has three pins. Here is the function of each pin:
1. Pin 1 (ADJ/GND): This is the adjustable pin, which is used to set the output voltage. By connecting a resistor divider between the output, adjust, and ground pins, you can set the desired output voltage.
2. Pin 2 (VOUT): This is the output pin, from which the regulated voltage is provided. The voltage level is determined by the resistor network connected to the adjust pin.
3. Pin 3 (VIN): This is the input pin, where the unregulated input voltage is supplied. It should be higher than the desired output voltage by at least the dropout voltage to ensure proper regulation.
The LM1117 typically has a maximum output current of 800 mA and a dropout voltage of around 1.2 V, depending on the current. Note that package types and pin configurations might vary; always refer to the specific datasheet for the exact package you're using.

Manufacturer

The LM1117IDTX-ADJ is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and systems. They are well-known for their analog and embedded processing products, including power management chips, microcontrollers, and other integrated circuits. The company serves various industries, including consumer electronics, automotive, industrial, and communications sectors, providing components that are integral to the development of innovative electronic devices and solutions.

Application

The LM1117IDTX-ADJ is an adjustable voltage regulator used in various applications, including power management systems, telecommunications, and consumer electronics. It is suitable for providing stable voltage outputs in devices that require efficient regulation, such as microprocessors, battery-powered equipment, and embedded systems. Its ability to adjust output voltage makes it versatile for custom circuits and prototypes.

Equivalent

The LM1117IDTX-ADJ is a low dropout voltage regulator. Equivalent products include:
1. AMS1117-ADJ by Advanced Monolithic Systems
2. LD1117-ADJ by STMicroelectronics
3. NCP1117-ADJ by ON Semiconductor
4. TLV1117-ADJ by Texas Instruments
5. MIC29152-ADJ by Microchip Technology
These alternatives offer similar functionality, voltage output, and pin compatibility, but always check specific datasheets for minor differences in performance or specifications.

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