L4981AD013TR

The L4981AD013TR is a high-performance voltage regulator from STMicroelectronics, designed for various applications requiring efficient power management. This device is part of the L4981 series, which is known for its robustness and versatility in providing stable output voltages.

Key Features:

1. Output Voltage: The L4981AD013TR typically provides a fixed output voltage of 13.5V, making it suitable for powering devices that require a stable voltage supply.

2. Input Voltage Range: It can operate over a wide input voltage range, typically from 8V to 30V, allowing it to be used in various environments and applications.

3. Output Current: The regulator can deliver a maximum output current of up to 1.5A, which is sufficient for many consumer and industrial applications.

4. Thermal Protection: The device includes built-in thermal shutdown features, which protect the regulator from overheating and potential damage under excessive load conditions.

5. Short-Circuit Protection: The L4981AD013TR is equipped with short-circuit protection, ensuring that the device can handle fault conditions without sustaining damage.

6. Efficiency: The regulator is designed for high efficiency, minimizing power loss and heat generation, which is critical for battery-operated devices and energy-sensitive applications.

7. Package Type: The L4981AD013TR is typically available in a DPAK or TO-220 package, which provides good thermal performance and ease of mounting on PCBs.

8. Applications: This voltage regulator is suitable for a variety of applications, including automotive electronics, industrial control systems, and consumer electronics, where reliable power supply is essential.

9. Additional Features: The device may also include features such as a low dropout voltage, enabling it to maintain regulation even when the input voltage is close to the output voltage.

Electrical Characteristics:

• Dropout Voltage: The dropout voltage is typically low, allowing for efficient operation even with minimal headroom between input and output voltages.
• Line Regulation: The L4981AD013TR exhibits excellent line regulation, ensuring that variations in input voltage do not significantly affect the output voltage.
• Load Regulation: It also provides good load regulation, maintaining a stable output voltage despite changes in load current.

Conclusion:

The L4981AD013TR from STMicroelectronics is a reliable and efficient voltage regulator that meets the demands of various applications requiring stable power supply. Its combination of features, including thermal and short-circuit protection, high output current capability, and wide input voltage range, makes it a versatile choice for engineers and designers looking to implement effective power management solutions in their projects.