UA78L15ACPK

The UA78L15ACPK is a low-dropout voltage regulator manufactured by Texas Instruments, designed to provide a stable output voltage of 15 volts. This component is part of the UA78L series, which is known for its reliability and efficiency in various electronic applications.

Key Features:

1. Output Voltage: The UA78L15ACPK delivers a fixed output voltage of 15V, making it suitable for powering devices that require a stable voltage supply.

2. Low Dropout Voltage: One of the standout features of this regulator is its low dropout voltage, typically around 0.2V at a load current of 100mA. This means it can maintain regulation even when the input voltage is only slightly above the output voltage, which is particularly useful in battery-powered applications.

3. Output Current: The device can provide a maximum output current of 100mA, making it ideal for low-power applications.

4. Thermal Protection: The UA78L15ACPK includes built-in thermal overload protection, which helps prevent damage to the device and the circuit in case of overheating.

5. Short-Circuit Protection: This regulator also features short-circuit protection, ensuring that it can withstand accidental shorts without failing.

6. Package Type: The UA78L15ACPK is typically available in a TO-220 package, which is a common form factor for power devices. This package allows for efficient heat dissipation and easy mounting on PCBs.

7. Operating Temperature Range: The device is designed to operate over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.

8. Applications: The UA78L15ACPK is commonly used in applications such as power supplies for microcontrollers, sensors, and other electronic devices that require a stable 15V supply. It is also used in automotive and industrial applications due to its robustness.

Electrical Characteristics:

• Input Voltage Range: The input voltage can typically range from 17V to 35V, depending on the specific application and load conditions.
• Line Regulation: The regulator provides good line regulation, ensuring that variations in input voltage do not significantly affect the output voltage.
• Load Regulation: It also offers excellent load regulation, maintaining a consistent output voltage even as the load current varies.

Conclusion:

The UA78L15ACPK from Texas Instruments is a versatile and reliable voltage regulator that is well-suited for a variety of electronic applications requiring a stable 15V output. Its low dropout voltage, thermal and short-circuit protection features, and robust design make it a popular choice among engineers and hobbyists alike.