ON Semiconductor NCP1010ST130T3: Self-Supplied Monolithic Switcher for High-Efficiency Power Supplies

The ON Semiconductor NCP1010ST130T3 is a highly integrated power switching regulator that combines a fixed-frequency current-mode controller with a 700 V MOSFET. Designed for compact and robust power supplies, the NCP1010ST130T3 offers a complete solution for efficient and reliable power conversion in a variety of applications, including auxiliary power supplies, standby power for TVs and monitors, battery chargers, and more.

Key Features:

• Integrated 700 V MOSFET: The device integrates a high-voltage power MOSFET, allowing it to handle high input voltages and provide a robust power supply solution.
• Fixed-Frequency Operation: With a fixed switching frequency of 130 kHz, the NCP1010ST130T3 ensures predictable performance and simplifies the design of the magnetic components.
• Self-Supplied: This switcher does not require an auxiliary bias winding, simplifying the power supply design and reducing overall component count.
• Auto-Recovery Internal Overload Protection: The device features built-in overload protection that automatically recovers, enhancing system reliability.
• Frequency Jittering: To minimize EMI emissions, the NCP1010ST130T3 incorporates frequency jittering, making it suitable for applications sensitive to electromagnetic interference.
• Short-Circuit Protection: The switcher is equipped with short-circuit protection to safeguard the device and the load in the event of a fault condition.
• Low Standby Power: The NCP1010ST130T3 is designed to consume minimal power in standby mode, making it ideal for energy-saving applications.

Applications:

The versatility of the NCP1010ST130T3 makes it an excellent choice for a wide range of power supply applications. Its high level of integration and protection features are particularly well-suited for:

• AC-DC adapters for cell phones and personal electronics
• Standby and auxiliary power supplies for home appliances and consumer electronics
• LED lighting drivers
• Offline battery chargers

The NCP1010ST130T3 from ON Semiconductor represents a compact, efficient, and reliable solution for designers looking to create high-performance power supplies with minimal external components. Its robust feature set ensures that end products meet the necessary performance and safety standards while maintaining energy efficiency.