The L6566BHTR from STMicroelectronics is a state-of-the-art multi-mode controller designed for high-efficiency, high-performance switched-mode power supplies (SMPS). This versatile controller is well-suited for a variety of applications, including adapters, power supplies for flat TVs, monitors, and other low-power consumer products.

Key Features

• Multi-Mode Operation: The L6566BHTR supports several operating modes including quasi-resonant, pulse-skipping, and fixed-frequency PWM control. This ensures optimal efficiency across a wide range of load conditions.
• High-Voltage Startup: An integrated high-voltage startup circuit allows the device to be directly connected to the rectified mains voltage, facilitating a reduction in standby power consumption.
• Burst-Mode Operation: To achieve low power consumption at light loads, the L6566BHTR features a burst-mode operation that significantly reduces the switching frequency and minimizes the quiescent current.
• Protection Features: Comprehensive protection features include overvoltage, overload, and overtemperature protection, ensuring the safety and reliability of the power supply and the end application.

Technical Specifications

• Supply Voltage Range: 11.4 V to 20 V
• Operating Frequency: Up to 500 kHz in fixed-frequency PWM mode
• Package: HTR (High-Temperature SO8)
• Temperature Range: -40°C to 150°C, suitable for industrial applications

STMicroelectronics' L6566BHTR is offered in a compact SO8 package, making it ideal for space-constrained applications. The device's robustness and flexibility make it an excellent choice for designers looking to improve the performance and efficiency of their power supply solutions.

With its advanced features and protections, the L6566BHTR ensures a high level of performance while maintaining energy efficiency, making it a smart choice for modern, eco-conscious electronic designs.