STMicroelectronics

L4984DTR

L4984DTR Description

The L4984DTR, manufactured by STMicroelectronics, is a high-performance Power Factor Correction (PFC) controller designed for continuous conduction mode (CCM) applications. This surface-mount IC is specifically engineered to optimize power conversion efficiency and reliability in a wide range of electronic devices. With a supply voltage range of 10.3V to 22.5V, the L4984DTR is well-suited for various power supply systems.

L4984DTR Features

• Continuous Conduction Mode (CCM) Operation: This mode ensures stable and efficient power conversion across a broad input voltage range.
• Low Startup Current: With a startup current of only 65 µA, the L4984DTR minimizes power consumption during initial system boot.
• Robust Supply Voltage Range: Capable of operating from 10.3V to 22.5V, this IC is adaptable to different power supply conditions.
• Surface Mount Technology: Facilitates integration into compact and densely populated circuit boards.
• Compliance with International Standards: The L4984DTR is REACH unaffected, RoHS3 compliant, and classified under EAR99, making it suitable for global distribution.
• Moisture Sensitivity Level (MSL) 3: This indicates that the device can be stored for up to 168 hours before baking is required, enhancing manufacturing flexibility.

L4984DTR Applications

The L4984DTR is ideal for applications where high efficiency and reliability are paramount. Some specific use cases include:

• Switching Power Supplies (SPS): Particularly in high-power applications where PFC is crucial for meeting energy efficiency standards.
• Telecommunications Equipment: Ensuring stable power supply to sensitive communication devices.
• Industrial Automation Systems: Providing reliable power to motors and control systems.
• Computer Peripherals: Powering devices like monitors and printers with high efficiency and low noise.

Conclusion of L4984DTR

The L4984DTR stands out for its ability to deliver high performance in CCM PFC applications. Its low startup current, wide supply voltage range, and compliance with international standards make it a versatile choice for a variety of power electronics. Its unique features, such as MSL 3 rating, further enhance its appeal for manufacturers looking to optimize their production processes. The L4984DTR is a reliable and efficient solution for designers seeking to improve power conversion in their electronic devices.