The NCP1071STAT3G is a cutting-edge PWM controller integrated circuit (IC) developed by ON Semiconductor, designed to deliver high-performance solutions for offline power applications. This IC is part of the NCP107x series, which are fixed-frequency current-mode controllers that integrate a range of features to facilitate the design of low-power AC-DC converters for a variety of applications.

Key Features

• Integrated High-Voltage Switch: The NCP1071STAT3G comes with an integrated 700V MOSFET, enabling direct connection to the rectified mains voltage and reducing external component count.
• Current-Mode Control: This feature offers excellent audio susceptibility and inherent pulse-by-pulse control, enhancing the overall reliability and performance of the system.
• Auto-Recovery Overvoltage Protection (OVP): Ensures the device automatically recovers after an overvoltage condition, improving safety and longevity.
• Frequency Jittering: Reduces Electromagnetic Interference (EMI), thereby minimizing the need for additional filtering components and simplifying compliance with EMI regulations.
• Adjustable Peak Current Limit: Provides flexibility in design, allowing customization according to the specific needs of the application.
• Short-Circuit Protection (SCP): Enhances safety by preventing damage to the IC and the power supply in the event of a short circuit.
• Under Voltage Lockout (UVLO): Ensures the IC operates only when the input voltage is within the acceptable range, protecting the device and improving efficiency.

Applications

The NCP1071STAT3G is ideal for a variety of power supply applications, including:

• AC-DC adapters
• Standby and auxiliary power supplies
• LED lighting drivers
• Smart metering
• Consumer electronics

Package and Quality

Enclosed in a compact SOT-223 package, the NCP1071STAT3G is designed for space-constrained applications. ON Semiconductor's commitment to quality ensures that each IC is manufactured to the highest standards, providing reliable and consistent performance for your power supply designs.