ON Semiconductor NCP4355ADR2G Power Factor Controller

The ON Semiconductor NCP4355ADR2G is a highly integrated and efficient power factor correction (PFC) controller designed for use in a wide range of applications requiring power factor improvement. This advanced controller is suitable for switched-mode power supplies, LED drivers, and other power conversion systems. It operates in Continuous Conduction Mode (CCM), ensuring a high power factor and reduced total harmonic distortion in the electrical system.

Key Features

• Continuous Conduction Mode: The NCP4355ADR2G operates in CCM, which is ideal for applications that require stable operation under varying load conditions.
• High Efficiency: With its optimized gate drive output, the controller provides high efficiency across a broad range of operating conditions.
• Brown-Out Protection: The device includes a brown-out protection feature that safeguards the system against low voltage conditions, ensuring reliable operation.
• Overvoltage Protection (OVP): To prevent damage to the system, the controller has an integrated OVP feature that triggers when the output voltage exceeds a predefined threshold.
• Frequency Jittering: The NCP4355ADR2G incorporates frequency jittering to minimize electromagnetic interference (EMI), allowing for easier compliance with EMI regulations.

Applications

• AC-DC Adapters
• LED Lighting
• Power Supplies for TVs and Monitors
• Standby and Auxiliary Power Supplies

The NCP4355ADR2G is offered in a compact SOIC-8 package, making it suitable for space-constrained applications. Its advanced features, such as under-voltage lockout (UVLO), precision reference voltage, and soft-start capability, provide a controlled startup and protect the system against abrupt changes in operating conditions.

ON Semiconductor's commitment to quality and performance is evident in the NCP4355ADR2G, making it a reliable choice for designers looking to enhance power factor and efficiency in their electrical systems. With its comprehensive protection features and robust design, the NCP4355ADR2G is an excellent choice for modern power management solutions.