UA78M33QDCYRG4Q1

The "UA78M33QDCYRG4Q1" from Texas refers to a specific voltage regulator component, commonly used in electronic circuits. This device is part of the UA78M series, which is known for its reliability and efficiency in providing a stable output voltage.

Description:

1. Type and Function:

   • The UA78M33QDCYRG4Q1 is a linear voltage regulator that outputs a fixed voltage of 3.3V. It is designed to provide a stable power supply to various electronic devices, ensuring that they operate within their required voltage specifications.

2. Package:

   • This component typically comes in a TO-220 or similar package, which is a metal can with three leads protruding from the bottom. The metal casing helps dissipate heat generated during operation, making it suitable for applications that require moderate current levels.

3. Electrical Characteristics:

   • Input Voltage Range: The regulator can accept a wide range of input voltages, typically from 5V to 35V, allowing it to be used in various applications.
   • Output Current: It can deliver up to 1A of output current, making it suitable for powering microcontrollers, sensors, and other low to moderate power devices.
   • Dropout Voltage: The dropout voltage is relatively low, which means it can maintain regulation even when the input voltage is close to the output voltage.

4. Thermal Performance:

   • The UA78M33QDCYRG4Q1 is designed with thermal protection features, including thermal shutdown and current limiting, to prevent damage from overheating or excessive current draw.

5. Applications:

   • This voltage regulator is commonly used in embedded systems, power supply circuits, and various consumer electronics. It is ideal for applications where a stable 3.3V supply is required, such as in Arduino projects, Raspberry Pi accessories, and other microcontroller-based designs.

6. Manufacturer:

   • The component is manufactured by Texas Instruments, a well-known company in the semiconductor industry, recognized for producing high-quality electronic components.

7. Pin Configuration:

   • The typical pin configuration includes:
     • Input Pin: Connects to the input voltage source.
     • Output Pin: Provides the regulated 3.3V output.
     • Ground Pin: Connects to the circuit ground.

8. Additional Features:

   • The UA78M33QDCYRG4Q1 may also include bypass capacitors for improved transient response and stability, ensuring that the output voltage remains stable during sudden changes in load.

In summary, the UA78M33QDCYRG4Q1 from Texas Instruments is a versatile and reliable voltage regulator that is essential for many electronic applications requiring a stable 3.3V power supply. Its robust design and thermal protection features make it a popular choice among engineers and hobbyists alike.