The ICE3B2065 is a Quasi-Resonant CoolSET™ - F3R series integrated power IC from Infineon Technologies, designed for off-line power supply applications. This IC combines a CoolMOS™ power MOSFET with a quasi-resonant flyback controller in a single package, offering high efficiency, low electromagnetic interference (EMI), and comprehensive protection features. It is particularly well-suited for applications requiring compact size, low standby power consumption, and reliable operation.

Applications:

• Adapter and Charger Applications: Used in power adapters for laptops, mobile devices, and other electronic equipment.
• Auxiliary Power Supplies: Provides efficient power for standby and housekeeping functions.
• Set-Top Boxes (STBs): Powers various components within set-top box devices.
• LCD/LED TVs: Used in the power supply sections of televisions.
• White Goods: Powers control circuits in appliances such as washing machines and refrigerators.

Features:

• Quasi-Resonant Operation: Reduces switching losses and EMI.
• Integrated CoolMOS™ Power MOSFET: Simplifies design and reduces component count.
• Active Burst Mode: Enables ultra-low standby power consumption.
• Built-in Soft-Start: Limits inrush current during startup.
• Comprehensive Protection Features: Over-voltage, over-current, and over-temperature protection.
• Pb-free plating; RoHS compliant: Environmentally friendly design.

Benefits:

• High Efficiency: Reduces energy consumption and heat dissipation.
• Low EMI: Minimizes electromagnetic interference with other devices.
• Low Standby Power: Meets stringent energy efficiency requirements.
• Simplified Design: Reduces the number of external components needed.
• Robust Protection: Ensures reliable operation under fault conditions.

Technical Specifications: The ICE3B2065 has a drain-source voltage (Vds) of 650V and a typical on-resistance (Rds(on)) that depends on the specific CoolMOS™ MOSFET integrated within the IC. It is available in a DIP-8 package. This integrated power IC is designed for off-line power supply applications operating in quasi-resonant mode. The active burst mode enables ultra-low standby power consumption, making it suitable for energy-efficient designs. The comprehensive protection features ensure reliable operation under various fault conditions, enhancing the overall system reliability. It’s a compact and efficient solution for a range of low to medium power applications.