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NCP1653DR2 from ON,ON Semiconductor

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NCP1653DR2

Manufacturer: ON

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller

Partnumber Manufacturer Quantity Availability
NCP1653DR2 ON 107 In Stock

Description and Introduction

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller The **NCP1653DR2** is a high-performance, fixed-frequency current-mode PWM controller designed for power supply applications. This integrated circuit (IC) is engineered to provide precise regulation and efficiency in AC-DC and DC-DC converters, making it suitable for a wide range of power management solutions.  

Featuring a robust architecture, the NCP1653DR2 operates at a fixed switching frequency, ensuring stable performance while minimizing electromagnetic interference (EMI). Its current-mode control enhances transient response and simplifies loop compensation, contributing to reliable operation under varying load conditions.  

Key specifications include an adjustable output voltage, programmable soft-start functionality, and comprehensive protection features such as overcurrent, overvoltage, and thermal shutdown. These safeguards help prevent damage to both the controller and the connected circuitry.  

Housed in a compact SOIC-8 package, the NCP1653DR2 is ideal for space-constrained designs while maintaining thermal efficiency. Its versatility makes it well-suited for applications like offline power supplies, LED drivers, and industrial power systems.  

Engineers value the NCP1653DR2 for its balance of performance, reliability, and ease of integration, making it a preferred choice for modern power conversion designs.

Application Scenarios & Design Considerations

Compact, Fixed−Frequency, Continuous Conduction Mode PFC Controller

Alternative Part Number

  • UCC28180D --: Active PFC controller in the same class as the NCP1653, widely used as a drop-in functional replacement with similar control scheme and SOIC package.
  • L6562AD --: Transition-mode PFC controller offering comparable functionality and pin-compatible SO-8 footprint, commonly used as an alternative to ON's PFC controllers.
  • FAN7930C --: Critical-conduction-mode PFC controller from the same manufacturer family, providing similar PFC control performance with an SOIC package.

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