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ML4800IS from FAIRCHILD,Fairchild Semiconductor

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ML4800IS

Manufacturer: FAIRCHILD

Power Factor Correction (PFC) and PWM Controller Combo

Partnumber Manufacturer Quantity Availability
ML4800IS FAIRCHILD 6293 In Stock

Description and Introduction

Power Factor Correction (PFC) and PWM Controller Combo **Elevate Your Power Supply Designs with the ML4800IS**  

The ML4800IS is a high-performance, integrated power supply controller designed to streamline and enhance modern power conversion systems. Combining advanced features with robust functionality, this component is an ideal solution for applications requiring efficient power management, such as AC/DC converters, offline power supplies, and industrial equipment.  

Engineered for versatility, the ML4800IS integrates both a power factor correction (PFC) controller and a pulse-width modulation (PWM) controller in a single package. This dual-functionality reduces component count, simplifies board layout, and improves overall system reliability. The PFC stage ensures compliance with energy efficiency standards by minimizing harmonic distortion, while the PWM controller delivers precise regulation for stable output voltage.  

Key features of the ML4800IS include programmable switching frequency, soft-start capability, and comprehensive protection mechanisms such as overvoltage, undervoltage, and overcurrent safeguards. These attributes make it well-suited for demanding environments where consistent performance and durability are critical.  

With its industry-standard pinout and compatibility with a wide input voltage range, the ML4800IS offers seamless integration into existing designs while providing the flexibility needed for future innovations. Engineers will appreciate its ability to optimize efficiency, reduce power losses, and enhance thermal performance—key factors in modern power supply development.  

For designers seeking a reliable, high-efficiency solution to meet stringent power requirements, the ML4800IS stands out as a proven choice. Its combination of integration, performance, and protection ensures a solid foundation for next-generation power systems.

Application Scenarios & Design Considerations

Power Factor Correction (PFC) and PWM Controller Combo

Alternative Part Number

  • UC3854BN --: Industry-standard power factor correction controller with similar average current-mode control function, widely available and well documented as a replacement in PFC designs.
  • L4981AD --: PFC controller with comparable control scheme and pinout flexibility, suitable for offline power factor correction applications similar to the ML4800.
  • NCP1654DR2G --: Compact continuous conduction mode PFC controller offering similar functionality and a good alternative when the ML4800 is unavailable.
  • L4981A --: PFC controller with comparable control scheme and drive capability, commonly used as a functional substitute in offline power factor correction circuits.
  • NCP1654 --: Compact continuous conduction mode PFC controller offering similar functionality and pin-compatible design approach for PFC applications.

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