STMicroelectronics

L78L05ABD13TR

The L78L05ABD13TR is a linear voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable output voltage of 5V from an input voltage source that may vary between 7V and 25V. Here is a description of the model, its features, and potential applications:

Description:

The L78L05ABD13TR is a member of the L78 series of linear voltage regulators, which are designed for applications requiring a stable and reliable output voltage. This particular model is available in a small SOT-223 package, making it suitable for compact and space-constrained designs.

Features:

1. Output Voltage: It provides a fixed positive output voltage of 5V.
2. Input Voltage Range: The input voltage range is from 7V to 25V, which makes it versatile for use with various power sources.
3. Output Current: The L78L05ABD13TR can supply an output current up to 100mA.
4. Low Dropout Voltage: It has a low dropout voltage, which means it can regulate the output voltage accurately even when the input voltage is close to the output voltage.
5. Thermal Protection: The device includes internal thermal shutdown protection to prevent damage in the event of overheating.
6. Transistor Count: It is a single transistor regulator, which contributes to its simplicity and reliability.
7. Package Type: The SOT-223 package is a surface-mount package that is compact and suitable for use in printed circuit board (PCB) designs.

Applications:

1. Microcontroller Power Supply: It can be used to power microcontrollers and other integrated circuits that require a stable 5V supply.
2. Sensor Power: For powering sensors that need a regulated 5V supply for reliable operation.
3. Portable Electronics: In battery-operated devices where a regulated 5V supply is needed, such as in handheld gadgets or portable instruments.
4. Telecommunications: For providing a stable voltage supply in telecommunications equipment where signal integrity is crucial.
5. Industrial Control Systems: In systems where a stable voltage is required for the proper functioning of control circuits.
6. Test and Measurement Equipment: As a part of power supply circuits in test and measurement devices where a regulated output is necessary.

When using the L78L05ABD13TR, it is important to consider the input voltage, output current requirements, and the thermal environment to ensure the device operates within its specified limits and provides reliable performance.