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FSFR1700HSL
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FSFR1700HSL

Product Overview

Category

FSFR1700HSL belongs to the category of power electronics components.

Use

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

Characteristics

  • High voltage capability
  • Integrated high-voltage startup and sense FET
  • Low standby power consumption
  • Protection features such as over-temperature shutdown and over-current protection

Package

FSFR1700HSL is available in a compact and industry-standard TO-220F package.

Essence

The essence of FSFR1700HSL lies in its ability to efficiently convert high-voltage AC input into low-voltage DC output, making it suitable for various power supply applications.

Packaging/Quantity

FSFR1700HSL is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 90VAC to 265VAC
  • Output Power: Up to 150W
  • Switching Frequency: 65kHz to 115kHz
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Duty Cycle: 75%

Detailed Pin Configuration

  1. VCC: Supply voltage pin
  2. GND: Ground reference pin
  3. FB: Feedback pin for regulating the output voltage
  4. DRAIN: High-voltage power switch drain pin
  5. SOURCE: Source pin of the internal power MOSFET
  6. CS: Current sense pin for over-current protection
  7. RT/CT: Timing resistor/capacitor connection pin
  8. SYNC: Synchronization input pin for multiple converter operation

Functional Features

  • Integrated high-voltage startup and sense FET eliminate the need for external components
  • Auto-restart protection for enhanced system reliability
  • Frequency jittering for reduced EMI emissions
  • Soft-start function for controlled startup and reduced stress on components
  • Built-in over-temperature shutdown and over-current protection for enhanced safety

Advantages and Disadvantages

Advantages

  • High voltage capability allows for versatile applications
  • Integrated features reduce the need for external components, simplifying circuit design
  • Low standby power consumption improves energy efficiency
  • Protection features enhance system reliability and safety

Disadvantages

  • Limited maximum duty cycle may restrict certain applications requiring higher duty cycles
  • Operating temperature range may not be suitable for extreme environments

Working Principles

FSFR1700HSL operates based on the flyback converter topology. It utilizes a high-voltage power switch to control the energy transfer from the input to the output. The integrated startup and sense FET simplify the circuit design by eliminating the need for additional components. By regulating the switching frequency and duty cycle, it achieves efficient power conversion.

Detailed Application Field Plans

FSFR1700HSL finds extensive application in various power supply systems, including: - LED lighting - Consumer electronics - Industrial equipment - Telecommunications

Detailed and Complete Alternative Models

  1. FSFR1800HSL: Similar to FSFR1700HSL with higher output power capability.
  2. FSFR2100HSL: Similar to FSFR1700HSL with extended operating temperature range.
  3. FSFR2200HSL: Similar to FSFR1700HSL with enhanced protection features.

(Note: The above alternative models are provided for reference and may have different specifications and characteristics.)

In conclusion, FSFR1700HSL is a power electronics component primarily used in offline flyback converters. Its high voltage capability, integrated features, and protection mechanisms make it suitable for various power supply applications. While it has advantages such as simplified circuit design and improved energy efficiency, limitations exist in terms of duty cycle and operating temperature range. Nonetheless, FSFR1700HSL serves as a reliable and efficient solution for power supply needs in diverse industries.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av FSFR1700HSL i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of FSFR1700HSL in technical solutions:

  1. Q: What is FSFR1700HSL? A: FSFR1700HSL is a highly integrated power switch designed for high-efficiency offline flyback converters.

  2. Q: What are the key features of FSFR1700HSL? A: The key features include built-in protection features, high-voltage startup, frequency jittering for EMI reduction, and a wide input voltage range.

  3. Q: What is the typical application of FSFR1700HSL? A: FSFR1700HSL is commonly used in applications such as LED lighting, consumer electronics, industrial power supplies, and auxiliary power supplies.

  4. Q: What is the maximum output power that FSFR1700HSL can handle? A: FSFR1700HSL can handle output powers up to 100W, depending on the design and operating conditions.

  5. Q: Does FSFR1700HSL require an external MOSFET? A: No, FSFR1700HSL integrates a high-voltage MOSFET internally, eliminating the need for an external MOSFET.

  6. Q: Can FSFR1700HSL operate with a wide range of input voltages? A: Yes, FSFR1700HSL supports a wide input voltage range from 90V to 265V AC.

  7. Q: What are the protection features offered by FSFR1700HSL? A: FSFR1700HSL provides protection against overcurrent, overvoltage, undervoltage, and over-temperature conditions.

  8. Q: Is FSFR1700HSL suitable for high-frequency operation? A: Yes, FSFR1700HSL is designed for high-frequency operation, typically in the range of 50kHz to 300kHz.

  9. Q: Can FSFR1700HSL be used in both isolated and non-isolated applications? A: Yes, FSFR1700HSL can be used in both isolated and non-isolated flyback converter topologies.

  10. Q: Are there any evaluation boards or reference designs available for FSFR1700HSL? A: Yes, Fairchild Semiconductor provides evaluation boards and reference designs that can help in the application development of FSFR1700HSL.

Please note that these answers are general and may vary depending on specific design requirements and operating conditions.