STMicroelectronics

L6564TD

L6564TD Description

The L6564TD from STMicroelectronics is a high-performance transition-mode Power Factor Correction (PFC) controller designed for efficient AC-DC power conversion. Packaged in a 10SSOP surface-mount form factor, it operates within a 10.3V to 22.5V supply range, making it suitable for a variety of offline power supplies. Compliant with ROHS3 and REACH standards, this IC is ideal for applications requiring low harmonic distortion and high power factor. Its discontinuous transition-mode operation ensures optimized efficiency across varying load conditions while minimizing switching losses.

L6564TD Features

• Transition-Mode PFC: Enhances efficiency with zero-voltage switching (ZVS) and reduced EMI.
• Low Startup Current: 90 µA enables quick system activation with minimal power waste.
• Wide Supply Range: 10.3V–22.5V supports diverse input conditions.
• Surface-Mount Design: 10SSOP package ensures compact PCB integration.
• Robust Protection: Includes overvoltage protection (OVP) and undervoltage lockout (UVLO).
• Compliance: ROHS3, REACH, and EAR99 certified for global use.
• Moisture Sensitivity Level (MSL) 3: Suitable for industrial environments with controlled handling.

L6564TD Applications

The L6564TD excels in high-efficiency power supplies, including:

• LED Drivers: Ensures stable performance with low harmonic distortion.
• Server/Telecom PSUs: Delivers high power factor correction for critical infrastructure.
• Industrial Power Systems: Reliable operation in harsh conditions.
• Consumer Electronics: Compact design ideal for adapters and chargers.
  Its transition-mode operation makes it superior to fixed-frequency PFC controllers in applications requiring dynamic load handling and minimized switching losses.

Conclusion of L6564TD

The L6564TD stands out as a versatile, high-efficiency PFC controller, combining low power consumption, robust protection, and compliance with environmental standards. Its transition-mode architecture offers a competitive edge in applications demanding high power factor and energy efficiency. Ideal for LED lighting, industrial systems, and telecom power supplies, this IC is a reliable choice for designers prioritizing performance and regulatory compliance.