The Sanken SE105N is a power switching regulator designed for various electronic applications requiring efficient voltage conversion. This regulator integrates a control IC and a power MOSFET into a single package, enabling compact and streamlined power supply designs.

Applications:

• Power supplies for consumer electronics: Televisions, audio equipment, and set-top boxes.
• Industrial power supplies: Automation equipment, control systems, and instrumentation.
• LED lighting drivers: Constant current and constant voltage LED drivers.
• Adapter and charger circuits: Power adapters for laptops, mobile phones, and other portable devices.

Features:

• Integrated Control IC and Power MOSFET: Simplifies design and reduces component count.
• High Efficiency: Minimizes power loss and heat generation.
• Overcurrent Protection: Protects the device and the load from damage due to excessive current.
• Overvoltage Protection: Prevents damage from voltage surges.
• Thermal Shutdown: Shuts down the device in case of excessive temperature.
• Soft Start Function: Reduces stress on components during start-up.
• Under Voltage Lockout (UVLO): Ensures proper operation under varying input voltage conditions.

Benefits:

• Compact Design: Reduced component count and package size allow for smaller and more efficient power supplies.
• Improved Reliability: Integrated protection features enhance the reliability of the power supply.
• Simplified Design Process: Integrated functionality reduces design complexity and time-to-market.
• Energy Efficient: High efficiency operation reduces energy consumption and lowers operating costs.

Additional Details:

The SE105N typically operates with a wide input voltage range, making it suitable for diverse power supply applications. It also offers various adjustable parameters like switching frequency and duty cycle, allowing designers to optimize performance for specific needs. The device is available in a through-hole package for easy mounting. Detailed specifications regarding the input voltage range, output current, switching frequency, and protection thresholds are available in the product datasheet.