The PN8326NSC-T1T is a high-performance AC/DC power switch manufactured by Wuxi. It integrates a high-voltage power MOSFET and a multi-mode Quasi-Resonant (QR) flyback controller. This chip is optimized for high-efficiency, low standby power consumption power supplies.

Applications:

• Power adapters for mobile devices (e.g., smartphones, tablets)
• Offline LED lighting
• Standby power supplies
• Battery chargers
• Auxiliary power supplies

Features:

• Integrated high-voltage power MOSFET
• Multi-mode Quasi-Resonant (QR) flyback controller
• Valley switching operation for high efficiency
• Low standby power consumption
• Built-in protection features (e.g., over-voltage protection, over-current protection, over-temperature protection)

Benefits:

• High efficiency: The multi-mode QR flyback controller and valley switching operation ensure high efficiency, reducing power losses and heat generation.
• Low standby power: Optimized for low standby power consumption, meeting stringent energy efficiency requirements.
• Simplified design: Integrated power MOSFET and controller simplify the design process and reduce component count.
• Robust protection: Built-in protection features enhance the reliability and safety of the power supply.
• Compact size: Small package allows for compact power supply designs.

Technical Specifications:

The PN8326NSC-T1T has a built-in 650V power MOSFET. It supports universal AC input voltage range (85VAC to 265VAC). It has an output power capability up to 18W. The switching frequency varies depending on the load conditions in QR mode. The standby power consumption is less than 75mW. The protection features include over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP). It is available in a SOP-7 package.

This power switch is designed to provide a cost-effective and highly efficient solution for various AC/DC power supply applications. The integrated features and robust protection mechanisms make it a reliable choice for modern power supply designs.