The ICE2QR2280G is a quasi-resonant (QR) flyback controller IC manufactured by Infineon Technologies. It is designed for offline power supply applications requiring high efficiency and low standby power consumption. The device integrates numerous protection features, making it a robust and reliable solution.

Applications:

• AC-DC Power Supplies: Used in power adapters for laptops, smartphones, and other portable devices.
• Auxiliary Power Supplies: Employed in appliances and industrial equipment for providing standby power.
• Set-Top Boxes: Supplies power to set-top boxes and media players.
• LED Lighting: Used in LED drivers for efficient and reliable lighting solutions.
• Consumer Electronics: Integrated into various consumer electronic devices such as TVs, DVD players, and audio equipment.

Features:

• Quasi-Resonant Operation: Minimizes switching losses and improves efficiency by operating in quasi-resonant mode.
• Active Burst Mode: Reduces standby power consumption by entering a burst mode during light load conditions.
• Integrated Protection Features: Includes overvoltage protection, overcurrent protection, overload protection, and overtemperature protection.
• Frequency Jittering: Reduces EMI (electromagnetic interference) by dithering the switching frequency.
• Soft-Start: Implements soft-start functionality to minimize stress on components during startup.
• Adjustable Switching Frequency: Allows for adjustment of the switching frequency to optimize performance for different applications.

Benefits:

• High Efficiency: Quasi-resonant operation and active burst mode contribute to high efficiency and low power consumption.
• Robust Protection: Integrated protection features safeguard the power supply and the load from various fault conditions.
• Reduced EMI: Frequency jittering minimizes EMI, simplifying compliance with regulatory standards.
• Simplified Design: Integrated design reduces the number of external components, simplifying power supply design.
• Low Standby Power: Active burst mode minimizes standby power consumption, meeting energy efficiency requirements.

Technical Specifications:

Operating Voltage: 85V to 265V AC

Output Power: Up to 80W (depending on application)

Switching Frequency: Adjustable

Protection Features: OVP, OCP, OLP, OTP

Package Type: PG-DSO-8