The SD6802SETR is a highly integrated offline power switch IC manufactured by Silan Microelectronics. It's designed for cost-effective and efficient power supply solutions, primarily targeting applications requiring low standby power consumption and high reliability. This IC incorporates a current-mode PWM controller and a high-voltage power MOSFET, minimizing external components and simplifying the overall design.
Applications:
- Power adapters for mobile devices
- Standby power supplies for consumer electronics (TVs, DVD players, etc.)
- Open-frame power supplies
- LED lighting power supplies
- Battery chargers
Features:
- Built-in high-voltage power MOSFET
- Current-mode PWM control
- Low standby power consumption (<0.3W)
- Overcurrent protection (OCP)
- Overvoltage protection (OVP)
- Overtemperature protection (OTP)
- Short circuit protection (SCP)
- Frequency jittering for improved EMI performance
- Soft start to reduce stress on components during startup
Benefits:
- Reduced Bill of Materials (BOM): The integrated MOSFET and controller minimize the need for external components, lowering costs and simplifying the design process.
- High Efficiency: Current-mode PWM control and optimized design contribute to high efficiency, reducing energy consumption and heat dissipation.
- Improved Reliability: Comprehensive protection features (OCP, OVP, OTP, SCP) ensure robust and reliable operation, preventing damage to the power supply and connected devices.
- Low Standby Power: The SD6802SETR is designed for very low standby power consumption, meeting stringent energy efficiency requirements.
- Simplified Design: The high level of integration simplifies the design process, reducing development time and effort.
The SD6802SETR operates in quasi-resonant mode (QRM) to further enhance efficiency and reduce EMI. The built-in frequency jittering function further reduces EMI emissions, simplifying compliance with regulatory requirements. The soft-start feature minimizes stress on components during startup, enhancing reliability and extending the lifespan of the power supply.
Technical Specifications (Typical):
- Operating Voltage Range: 85VAC - 265VAC
- Switching Frequency: 65kHz (typical)
- Standby Power: <0.3W
- Protection Features: OCP, OVP, OTP, SCP
- Package: SOP-7
