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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 144 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

Alternative Part Number

  • UCC28180 --: Active PFC controller with similar CCM boost PFC function and pin-compatible control scheme, widely available and well documented.
  • L6562A --: Transition-mode PFC controller offering comparable power factor correction performance for offline converters.
  • FAN7930 --: Critical-conduction-mode PFC controller from the same vendor family, suitable as a functional substitute in PFC stages.

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