The ON Semiconductor FAN6248HBMX is a cutting-edge synchronous rectifier (SR) controller designed for high-efficiency, high-performance power conversion applications. This device is specifically engineered to replace the Schottky diode in flyback converters, ensuring enhanced efficiency, particularly in low output voltage and high current operations.

Key Features

• High Efficiency: By utilizing synchronous rectification, the FAN6248HBMX significantly reduces power loss compared to traditional diode rectifiers, thus improving overall efficiency.
• Adaptive Gate Drive: The device features an adaptive gate drive mechanism for optimal control of the external N-channel MOSFET, ensuring efficient operation across different load conditions.
• Voltage Mode & Current Mode Control: Compatible with both voltage and current mode control, the FAN6248HBMX offers flexibility for a variety of power supply designs.
• Light Load Operation: It supports light-load operation, which further enhances efficiency when the power demand is low.
• Built-in Protections: The controller includes under-voltage lockout (UVLO) and over-voltage protection (OVP) to safeguard the system under abnormal conditions.

Applications

The FAN6248HBMX is ideal for use in a range of applications, including:

• AC/DC adapters for notebooks and mobile devices
• Power supplies for TVs, networking equipment, and gaming consoles
• LED lighting and smart lighting systems
• Industrial power supplies

Technical Specifications

The device operates over a wide VDD range and is available in a compact 6-pin SOT-26 package, making it suitable for space-constrained applications. The FAN6248HBMX's advanced features, such as its 100V maximum VDS voltage and its ability to handle high switching frequencies, make it a versatile choice for modern power conversion solutions.

Conclusion

ON Semiconductor's FAN6248HBMX synchronous rectifier controller is a highly efficient and reliable solution for power supply designers looking to maximize performance and minimize losses. Its robust feature set and adaptive capabilities ensure it can meet the demands of a wide array of high-performance applications.