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NCP1653A from ON,ON Semiconductor

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NCP1653A

Manufacturer: ON

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller

Partnumber Manufacturer Quantity Availability
NCP1653A ON 45 In Stock

Description and Introduction

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller # Introduction to the NCP1653A Power Factor Correction Controller  

The **NCP1653A** is a high-performance, compact power factor correction (PFC) controller designed for efficient AC-DC power conversion in a variety of applications. This integrated circuit (IC) operates in **critical conduction mode (CrM)**, ensuring optimal power factor correction while minimizing switching losses.  

Engineered for reliability, the NCP1653A features a **fixed-frequency operation** with inherent frequency modulation to reduce electromagnetic interference (EMI). It includes essential protection mechanisms such as **overvoltage, undervoltage, and overcurrent safeguards**, enhancing system durability.  

With its **low startup and operating currents**, the NCP1653A is well-suited for energy-efficient designs, including **LED drivers, power supplies, and industrial equipment**. Its **single-pin voltage feedback** simplifies circuit design while maintaining precise regulation.  

Key advantages of the NCP1653A include **high power factor (>0.99)**, improved efficiency, and a **wide input voltage range**, making it a versatile choice for modern power electronics. Its compact SOIC-8 package ensures easy integration into space-constrained applications.  

For engineers seeking a robust, cost-effective PFC solution, the NCP1653A offers a balanced combination of performance and simplicity, meeting stringent energy efficiency standards while delivering stable power conversion.

Application Scenarios & Design Considerations

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller
Partnumber Manufacturer Quantity Availability
NCP1653A ON 99 In Stock

Description and Introduction

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller The **NCP1653A** is a high-performance, compact power factor correction (PFC) controller designed for efficient AC-DC power conversion in a wide range of applications. This integrated circuit (IC) enhances power quality by improving the input current waveform to align with the voltage waveform, thereby minimizing harmonic distortion and maximizing energy efficiency.  

Engineered for continuous conduction mode (CCM) operation, the NCP1653A offers robust performance with features such as average current mode control, overvoltage protection, and a programmable switching frequency. Its versatile design supports both boost and flyback topologies, making it suitable for power supplies in consumer electronics, industrial equipment, and LED lighting systems.  

The device operates with a universal input voltage range and includes critical safety mechanisms like brownout detection and thermal shutdown. Its low standby power consumption ensures compliance with modern energy efficiency standards.  

With its compact footprint and minimal external component requirements, the NCP1653A simplifies PFC implementation while delivering reliable, high-efficiency performance. Whether used in offline power supplies or high-power adapters, this controller provides a cost-effective solution for improving power factor and reducing energy waste.

Application Scenarios & Design Considerations

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller

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