The 3BR1065JF is an integrated power supply controller from Infineon Technologies, designed for offline switched-mode power supplies (SMPS). It integrates a CoolSET™-F3 series PWM controller with a high-voltage MOSFET in a single package, simplifying design and reducing component count in power supply applications.

Applications:

• Auxiliary power supplies
• Standby power supplies
• Adapters
• Chargers
• Industrial power supplies

Features:

• Integrated CoolSET™-F3 series PWM controller and MOSFET
• Active Burst Mode for low standby power consumption
• Auto Restart Protection Mode for overload, overtemperature, and overvoltage
• Built-in soft-start function
• Frequency jittering for improved EMI performance

Benefits:

• Simplified power supply design
• Reduced component count
• Low standby power consumption
• Enhanced system protection
• Improved EMI performance

Additional Details:

The 3BR1065JF integrates a PWM controller and a high-voltage MOSFET, reducing the need for external components and simplifying the design of switched-mode power supplies. The Active Burst Mode significantly reduces power consumption during standby operation, meeting stringent energy efficiency requirements. The Auto Restart Protection Mode provides robust protection against overload, overtemperature, and overvoltage conditions, enhancing system reliability. The built-in soft-start function minimizes stress on components during startup. Frequency jittering helps to reduce electromagnetic interference (EMI), improving the overall EMC performance of the power supply. Detailed electrical characteristics, application notes, and design guidelines are available in the Infineon Technologies datasheet. Proper application of this integrated controller contributes to the development of efficient, reliable, and cost-effective power supplies for a wide range of applications. The CoolSET™-F3 technology ensures high efficiency and robust performance across various operating conditions.