The PN8348QNSC-T1 is a highly integrated offline flyback power switch with high precision CV/CC primary side regulation. It is manufactured by Wuxi and designed for AC/DC power adapter and charger applications. It simplifies design and reduces BOM cost while maintaining high performance and efficiency.

Applications

• AC/DC Power Adapters: Used in power adapters for laptops, mobile phones, and other electronic devices.
• Battery Chargers: Used in battery chargers for various types of batteries.
• LED Lighting: Used as a power supply for LED lighting applications.
• Standby Power Supplies: Used in standby power supplies for electronic devices.
• Smart Home Devices: Powering smart home devices.

Features

• High Precision CV/CC Primary Side Regulation: Provides accurate constant voltage and constant current output without optocoupler.
• Integrated High Voltage Power MOSFET: Reduces external component count.
• Built-in Soft Start: Minimizes stress during startup.
• Frequency Modulation for EMI Reduction: Reduces electromagnetic interference.
• Short Circuit Protection (SCP): Protects the power supply from short circuit conditions.
• Over Voltage Protection (OVP): Protects the load from over voltage conditions.
• Over Temperature Protection (OTP): Protects the device from overheating.

Benefits

• Simplified Design: Primary side regulation eliminates the need for optocoupler, simplifying design.
• Reduced BOM Cost: Integrated features reduce the number of external components.
• High Efficiency: High efficiency operation reduces power consumption.
• Enhanced Reliability: Built-in protection features enhance system reliability.
• Improved EMI Performance: Frequency modulation reduces electromagnetic interference.

Additional Details

The PN8348QNSC-T1 uses advanced control techniques to achieve high efficiency and excellent regulation performance. It is available in a compact package for space-constrained applications. The device is designed to meet international safety standards. The datasheet provides detailed electrical characteristics, application examples, and layout guidelines.