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FSFR2100USL
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FSFR2100USL

Product Overview

Category

FSFR2100USL belongs to the category of integrated circuits (ICs) used in power electronics.

Use

This product is primarily used in power supply applications, specifically for offline flyback converters.

Characteristics

  • Integrated high-voltage power switch
  • Built-in protection features
  • High efficiency and reliability
  • Compact package design

Package

FSFR2100USL is available in a small outline package (SOP) with 16 pins.

Essence

The essence of FSFR2100USL lies in its ability to efficiently convert input voltage into regulated output voltage, making it suitable for various power supply applications.

Packaging/Quantity

FSFR2100USL is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs.

Specifications

  • Input Voltage Range: 90V - 265V AC
  • Output Power: Up to 100W
  • Switching Frequency: 65kHz - 115kHz
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Duty Cycle: 75%
  • Maximum Output Voltage: 700V

Detailed Pin Configuration

  1. VCC
  2. GND
  3. FB
  4. CS
  5. RT/CT
  6. DRAIN
  7. SOURCE
  8. VREF
  9. VSENSE
  10. COMP
  11. SYNC
  12. SS/OLP
  13. OLP
  14. VDD
  15. NC
  16. NC

Functional Features

  • Integrated high-voltage power switch eliminates the need for external components.
  • Overload protection (OLP) ensures safe operation under abnormal conditions.
  • Soft-start function prevents excessive inrush current during startup.
  • Frequency jittering reduces electromagnetic interference (EMI).
  • Cycle-by-cycle current limit provides precise current regulation.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Compact package saves board space.
  • Built-in protection features enhance system reliability.
  • Wide input voltage range allows for versatile applications.

Disadvantages

  • Limited maximum output voltage may restrict certain applications.
  • Requires careful thermal management due to high power dissipation.

Working Principles

FSFR2100USL operates on the principle of a flyback converter. It converts the input AC voltage into a high-frequency AC signal, which is then rectified and filtered to obtain the desired DC output voltage. The integrated power switch controls the energy transfer process, while various protection features ensure safe and reliable operation.

Detailed Application Field Plans

FSFR2100USL finds extensive application in the following fields:

  1. Consumer Electronics: Power supplies for televisions, audio systems, and home appliances.
  2. Industrial Automation: Control systems, motor drives, and lighting equipment.
  3. Telecommunications: Power modules for routers, switches, and communication devices.
  4. Automotive: Battery chargers, LED lighting, and electric vehicle power systems.

Alternative Models

For those seeking alternatives to FSFR2100USL, the following models provide similar functionality:

  1. FSFR2200USL
  2. FSFR2300USL
  3. FSFR2400USL
  4. FSFR2500USL

These alternative models offer comparable specifications and pin configurations, allowing users to choose the most suitable option for their specific requirements.

In conclusion, FSFR2100USL is a highly efficient and reliable integrated circuit used in power supply applications. Its compact design, built-in protection features, and wide range of applications make it a popular choice among designers in various industries.

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10個與FSFR2100USL在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of FSFR2100USL in technical solutions:

  1. Q: What is FSFR2100USL? A: FSFR2100USL is a highly integrated power switch designed for high-efficiency offline power supplies.

  2. Q: What are the key features of FSFR2100USL? A: The key features of FSFR2100USL include built-in protection features, high efficiency, low standby power consumption, and a wide input voltage range.

  3. Q: What is the maximum output power that FSFR2100USL can handle? A: FSFR2100USL can handle a maximum output power of up to 250W.

  4. Q: Can FSFR2100USL be used in both AC-DC and DC-DC applications? A: No, FSFR2100USL is specifically designed for AC-DC applications.

  5. Q: What is the typical operating frequency range of FSFR2100USL? A: The typical operating frequency range of FSFR2100USL is between 50kHz and 200kHz.

  6. Q: Does FSFR2100USL have any built-in protection features? A: Yes, FSFR2100USL has built-in protection features such as over-current protection, over-voltage protection, and thermal shutdown.

  7. Q: Can FSFR2100USL operate with a wide input voltage range? A: Yes, FSFR2100USL can operate with an input voltage range of 90VAC to 265VAC.

  8. Q: Is FSFR2100USL suitable for high-power applications? A: Yes, FSFR2100USL is suitable for high-power applications as it can handle up to 250W of output power.

  9. Q: What are the typical applications of FSFR2100USL? A: FSFR2100USL is commonly used in applications such as LED lighting, industrial power supplies, and consumer electronics.

  10. Q: Are there any evaluation boards or reference designs available for FSFR2100USL? A: Yes, Fairchild Semiconductor provides evaluation boards and reference designs for FSFR2100USL to help with the development process.

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