ON Semiconductor NCP1012AP133 - Self-Supplied Monolithic Switcher for Low Standby-Power Offline SMPS

The NCP1012AP133 from ON Semiconductor is a highly integrated solution for Switched Mode Power Supply (SMPS) applications requiring a compact footprint and low standby power consumption. Designed to address the needs of space-constrained and energy-efficient power supplies, this monolithic switcher combines a fixed-frequency current-mode controller with a 700 V MOSFET.

Key Features

• Integrated 700 V MOSFET: Enables high-voltage startup and efficient operation, making it ideal for a wide range of AC-DC converter applications.
• Fixed-Frequency Operation: Operates at 133 kHz, providing a stable switching frequency for predictable EMI behavior and simplified filtering.
• Current-Mode Control: Offers inherent line compensation and excellent audio susceptibility performance.
• Self-Supply Capability: Eliminates the need for an auxiliary bias winding, reducing external component count and simplifying design.
• Low Standby Power: Designed to meet stringent global energy efficiency standards, making it suitable for applications requiring low power consumption in standby mode.
• Protection Features: Includes over-temperature, over-power, and short-circuit protection to ensure reliable operation and extended product life.
• Frequency Jittering: Reduces EMI emissions and simplifies the task of meeting regulatory requirements.

Applications

The NCP1012AP133 is versatile and can be used in a variety of applications, including:

• AC-DC adapters for cell phones, PDAs, and other portable devices
• Standby and auxiliary power supplies for consumer electronics
• Offline battery chargers
• LED lighting drivers

Product Summary

With its built-in high-voltage MOSFET and numerous integrated features, the NCP1012AP133 streamlines the design of compact, energy-efficient power supplies. ON Semiconductor's commitment to innovation is evident in this product, making it an excellent choice for designers looking to optimize power consumption and minimize board space in their SMPS designs.