STMicroelectronics

L4981BD013TR

L4981BD013TR Description

The L4981BD013TR is a high-performance, fixed frequency average current control PFC (Power Factor Correction) controller designed for high power applications. Manufactured by STMicroelectronics, this device is specifically engineered to provide superior performance in various power management systems. With a switching frequency of 100kHz, a supply voltage range of 14.5V to 19.5V, and a startup current of 100 µA, the L4981BD013TR is an ideal choice for applications requiring efficient and reliable power conversion.

L4981BD013TR Features

• Average Current Mode Control: The L4981BD013TR operates in average current mode, which offers improved stability and faster transient response compared to peak current mode controllers.
• Wide Voltage Range: With a supply voltage range of 14.5V to 19.5V, this device can handle a variety of input voltage conditions, making it suitable for a wide range of applications.
• Low Startup Current: The 100 µA startup current ensures minimal power consumption during startup, which is crucial for energy-efficient designs.
• Surface Mount Technology: The L4981BD013TR is designed for surface mount applications, providing a compact and reliable solution for space-constrained designs.
• RoHS3 Compliance: This device is compliant with the RoHS3 directive, ensuring environmental friendliness and adherence to global regulations.
• Moisture Sensitivity Level 3: With an MSL of 3, the L4981BD013TR can withstand up to 168 hours of exposure to moisture, making it suitable for applications with varying environmental conditions.

L4981BD013TR Applications

The L4981BD013TR is an ideal choice for various high-power applications, including:

• LED Lighting: This device can be used in LED lighting systems to provide efficient power conversion and control, ensuring optimal performance and longevity of the LEDs.
• Industrial Power Supplies: The L4981BD013TR is well-suited for industrial power supply applications, where high efficiency and reliability are crucial.
• Telecommunications Equipment: This device can be used in power management systems for telecommunications equipment, ensuring stable and efficient power delivery.
• Automotive Applications: The L4981BD013TR can be employed in automotive power management systems, providing reliable power conversion in harsh environments.

Conclusion of L4981BD013TR

The L4981BD013TR from STMicroelectronics is a versatile and high-performance PFC controller that offers numerous advantages over similar models. Its average current mode control, wide voltage range, and low startup current make it an ideal choice for a variety of high-power applications. With its RoHS3 compliance and moisture sensitivity level of 3, the L4981BD013TR is not only efficient but also environmentally friendly and robust. This device is a reliable and efficient solution for power management in various applications, ensuring optimal performance and reliability.