78SR112VC

The 78SR112VC is a voltage regulator from Texas Instruments, specifically designed for applications requiring a stable output voltage with low dropout characteristics. This component is part of the 78xx series of linear voltage regulators, which are widely used in various electronic circuits to provide a consistent voltage supply.

Key Features:

1. Output Voltage: The 78SR112VC typically provides a fixed output voltage of 12V, making it suitable for powering devices that require this specific voltage level.

2. Dropout Voltage: One of the standout features of the 78SR112VC is its low dropout voltage, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

3. Current Rating: The regulator can handle a maximum output current of up to 1A, making it suitable for a variety of moderate power applications.

4. Thermal Protection: The device includes built-in thermal overload protection, which prevents damage due to overheating. This feature is essential for ensuring reliability in long-term operation.

5. Short-Circuit Protection: The 78SR112VC is designed with short-circuit protection, which safeguards the device and the connected load in the event of a fault condition.

6. Package Type: The regulator is typically available in a TO-220 or similar package, which allows for easy mounting on a PCB and provides good thermal dissipation characteristics.

7. Input Voltage Range: The input voltage range for the 78SR112VC is generally from 14V to 35V, allowing it to be used in various power supply configurations.

8. Application Areas: This voltage regulator is commonly used in consumer electronics, automotive applications, and industrial equipment where a stable 12V supply is required.

Performance Characteristics:

• Efficiency: While linear regulators like the 78SR112VC are not as efficient as switching regulators, they provide a simple and cost-effective solution for applications where noise and transient response are critical.

• Noise Performance: The 78SR112VC typically exhibits low output noise, making it suitable for sensitive analog circuits and RF applications.

Conclusion:

The 78SR112VC from Texas Instruments is a reliable and efficient voltage regulator that offers a fixed 12V output with low dropout voltage, making it ideal for a wide range of electronic applications. Its robust protection features and ease of use make it a popular choice among engineers and designers looking for a dependable power supply solution.