The PN8370SSC-R1H is a highly integrated PWM power switch manufactured by Wuxi Un-Micro Electronics Co., Ltd. It is designed for offline flyback converter applications, offering high performance, low standby power consumption, and comprehensive protection features. This power switch is commonly used in power adapters, chargers, and auxiliary power supplies, providing efficient and reliable power conversion.

Applications

• Power Adapters: Used in AC-DC power adapters for laptops, smartphones, and other portable devices.
• Chargers: Employed in battery chargers for various electronic devices.
• Auxiliary Power Supplies: Integrated into auxiliary power supplies for appliances and industrial equipment.
• LED Lighting Drivers: Utilized in LED lighting drivers for residential and commercial lighting applications.
• Standby Power Supplies: Used in standby power supplies for televisions, set-top boxes, and other consumer electronics.

Features

• Integrated PWM Controller and Power MOSFET: Reduces component count and simplifies system design.
• Low Standby Power Consumption: Minimizes energy consumption in standby mode.
• High Efficiency: Enables efficient power conversion.
• Comprehensive Protection Features: Includes over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP).
• Frequency Jittering: Reduces EMI emissions for compliance with regulatory standards.

Benefits

• Cost-Effective Solution: Reduces overall system cost by integrating multiple functions.
• Energy Efficiency: Minimizes energy consumption and lowers operating costs.
• Reliable Performance: Maintains stable operation in demanding applications.
• Simplified Design: Eases the development process with integrated components.
• Enhanced Protection: Protects the system against various fault conditions.

Additional Details

The PN8370SSC-R1H has an input voltage range typically from 85VAC to 265VAC. It is designed for a switching frequency, usually around 65 kHz. The power switch includes comprehensive protection features such as OVP, OCP, and OTP to ensure safe and reliable operation. The operating temperature range spans from -40°C to +85°C. It is packaged in a DIP-7 or SOP-7 package for easy integration into circuit boards. It is commonly used in low-power applications requiring high efficiency and low standby power consumption. The frequency jittering feature helps to reduce electromagnetic interference (EMI). The standby power consumption is typically less than 70mW.