The OB2363MP is a highly integrated and cost-effective power switch primarily designed for offline flyback converter applications. Manufactured by On-Bright, this component incorporates a current-mode PWM control scheme, ensuring stable and efficient operation across a wide range of load conditions. It is specifically tailored to meet the stringent requirements of modern power supplies in terms of efficiency, standby power consumption, and protection features.

Applications

• Adapters for mobile devices and peripherals
• Standby power supplies for consumer electronics
• Open-frame power supplies
• Battery chargers
• LED lighting power supplies

Features

• Integrated 700V MOSFET: Simplifies the design and reduces the external component count, leading to a more compact and cost-effective solution.
• Current-Mode PWM Control: Provides excellent line regulation, load regulation, and transient response, ensuring stable and reliable power delivery.
• Frequency Jittering: Reduces EMI emissions, minimizing the need for external filtering components and simplifying the compliance process.
• Soft-Start Function: Limits the inrush current during startup, preventing stress on the components and ensuring a smooth and reliable start-up process.
• Comprehensive Protection Features: Includes Over-Voltage Protection (OVP), Over-Current Protection (OCP), Over-Temperature Protection (OTP), and Short-Circuit Protection (SCP), safeguarding the power supply and the connected load from damage.
• Low Startup Current: Reduces power consumption during startup, improving overall system efficiency.
• Built-in Slope Compensation: Prevents subharmonic oscillation at high duty cycles, ensuring stable operation across a wide range of operating conditions.

Benefits

• High Efficiency: The optimized design and control scheme minimize power losses, resulting in high energy efficiency and reduced operating costs.
• Low Standby Power Consumption: Meets the stringent requirements of energy-saving regulations, minimizing wasted energy when the device is in standby mode.
• Simplified Design: The integrated MOSFET and comprehensive feature set reduce the external component count, simplifying the design process and reducing the overall cost.
• Enhanced Reliability: The robust protection features and stable operation ensure reliable performance and long lifespan.
• Reduced EMI: The frequency jittering function minimizes EMI emissions, simplifying the compliance process and reducing the need for external filtering.
• Compact Size: The integrated design and reduced component count enable a smaller and more compact power supply solution.

The OB2363MP is typically available in a SOP-8 package. Its operating temperature range usually spans from -40°C to +85°C, making it suitable for use in a variety of environments. It provides a robust and efficient solution for various power supply applications. The precise switching frequency helps minimize the size of magnetic components, further contributing to the overall compactness of the power supply design. The internal high-voltage startup circuit also contributes to very low standby power consumption.