ON Semiconductor
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FSFR1800
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FSFR1800

Product Overview

Category: Power Electronics
Use: Power Factor Correction (PFC) Controller
Characteristics: High efficiency, compact size, integrated protection features
Package: TO-220F-6L
Essence: Integrated power factor correction solution
Packaging/Quantity: Tube packaging, 50 units per tube

Specifications

  • Input Voltage Range: 90VAC to 265VAC
  • Output Power: Up to 250W
  • Operating Frequency: 65kHz
  • Maximum Duty Cycle: 100%
  • Standby Power Consumption: Less than 1W
  • Protection Features: Overload protection, overvoltage protection, overtemperature protection

Detailed Pin Configuration

The FSFR1800 has a six-pin configuration:

  1. VCC: Power supply input for the controller IC.
  2. GND: Ground reference for the controller IC.
  3. CS: Current sense input for feedback control.
  4. FB: Feedback input for voltage regulation.
  5. DRAIN: High-voltage power switch drain terminal.
  6. SOURCE: High-voltage power switch source terminal.

Functional Features

  • Integrated power factor correction solution for improved energy efficiency.
  • High efficiency and low standby power consumption.
  • Compact size and easy integration into various power electronics applications.
  • Built-in protection features ensure safe operation and reliability.
  • Wide input voltage range allows for global compatibility.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption and lower operating costs. - Compact size enables space-saving designs in power electronics applications. - Integrated protection features enhance system safety and reliability. - Wide input voltage range ensures compatibility with different power grids.

Disadvantages: - Limited output power capability compared to higher-rated PFC controllers. - Higher cost compared to non-integrated PFC solutions. - Requires careful thermal management due to high operating frequency.

Working Principles

The FSFR1800 is a power factor correction controller that operates based on the critical conduction mode (CRM) technique. It utilizes a flyback converter topology to achieve power factor correction by shaping the input current waveform. By controlling the switching of the internal power switch, the controller regulates the output voltage and maintains high power efficiency.

Detailed Application Field Plans

The FSFR1800 is widely used in various power electronics applications, including:

  1. Switched-mode power supplies (SMPS)
  2. LED lighting systems
  3. Industrial motor drives
  4. Home appliances
  5. Renewable energy systems

Detailed and Complete Alternative Models

  1. FSFR2100: Higher-rated PFC controller with increased output power capability.
  2. FSFR2200: PFC controller with additional features like burst mode operation.
  3. FSFR2800: PFC controller with enhanced protection features and wider input voltage range.

These alternative models offer different specifications and features to cater to diverse application requirements.

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10 سوال و پاسخ رایج مربوط به کاربرد FSFR1800 در راه حل های فنی را فهرست کنید

Sure! Here are 10 common questions and answers related to the application of FSFR1800 in technical solutions:

  1. Q: What is FSFR1800? A: FSFR1800 is a highly integrated power switch designed for high-efficiency offline power supplies.

  2. Q: What are the key features of FSFR1800? A: The key features of FSFR1800 include integrated MOSFETs, protection features like over-temperature and over-current protection, and a wide input voltage range.

  3. Q: What is the typical application of FSFR1800? A: FSFR1800 is commonly used in applications such as LED lighting, consumer electronics, industrial power supplies, and motor control.

  4. Q: How does FSFR1800 help in achieving high efficiency? A: FSFR1800 incorporates advanced control techniques and low-loss power MOSFETs, which contribute to high efficiency in power supply designs.

  5. Q: Can FSFR1800 handle high input voltages? A: Yes, FSFR1800 has a wide input voltage range, typically up to 600V, making it suitable for various AC line voltages.

  6. Q: Does FSFR1800 provide any protection features? A: Yes, FSFR1800 offers built-in protection features such as over-temperature protection, over-current protection, and under-voltage lockout.

  7. Q: Is FSFR1800 easy to integrate into power supply designs? A: Yes, FSFR1800 is designed for ease of integration with minimal external components, simplifying the overall power supply design process.

  8. Q: Can FSFR1800 be used in both flyback and forward converter topologies? A: Yes, FSFR1800 is versatile and can be used in both flyback and forward converter topologies, providing flexibility in design choices.

  9. Q: What is the maximum output power that FSFR1800 can handle? A: The maximum output power of FSFR1800 depends on various factors such as input voltage, output voltage, and thermal considerations. It is recommended to refer to the datasheet and application notes for specific guidelines.

  10. Q: Are there any reference designs available for FSFR1800? A: Yes, the manufacturer of FSFR1800 typically provides reference designs and application notes that can help engineers in implementing the chip effectively in their technical solutions.

Please note that these answers are general and may vary depending on the specific requirements and application context.