The SM8004FAC is a high-performance, high-efficiency offline Quasi-Resonant (QR) Flyback converter manufactured by Silergy Corp. It's designed for applications requiring compact size and high power density, such as adapters, chargers, and LED lighting.

Applications:

• AC/DC Adapters: Used in power adapters for laptops, mobile phones, and other electronic devices.
• Battery Chargers: Implemented in battery charging circuits for various battery types.
• LED Lighting: Powers LED lighting systems, providing stable and efficient power conversion.
• Standby Power Supplies: Provides low-power standby power for various electronic devices.
• Auxiliary Power Supplies: Used in auxiliary power supply circuits within larger systems.

Features:

• Quasi-Resonant (QR) Operation: Minimizes switching losses and improves efficiency.
• High Efficiency: Reduces power consumption and heat dissipation.
• Integrated Protection Features: Includes over-voltage, over-current, and over-temperature protection.
• Low Standby Power Consumption: Meets stringent energy efficiency requirements.
• Compact Size: Enables smaller and more compact power supply designs.
• Frequency Foldback: Improves efficiency at light loads.

Benefits:

• Energy Savings: Reduces energy consumption and lowers operating costs.
• Increased Reliability: Protects the power supply and connected devices from damage.
• Smaller Form Factor: Allows for more compact and portable electronic devices.
• Improved Thermal Performance: Reduces heat generation and improves system cooling.
• Simplified Design: Reduces the number of external components required.

Technical Specifications:

The SM8004FAC supports a wide input voltage range, typically from 85VAC to 265VAC. It operates in quasi-resonant mode to minimize switching losses. The device includes comprehensive protection features such as over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP). It typically has a low standby power consumption, meeting stringent energy efficiency standards. The switching frequency varies depending on the load conditions, optimizing efficiency across the load range. It is available in a compact package, suitable for space-constrained applications. The operating temperature range usually spans from -40°C to +105°C.