ON Semiconductor
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FSFR1800XS
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FSFR1800XS

Product Overview

Category

FSFR1800XS belongs to the category of power electronics devices.

Use

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

Characteristics

  • High efficiency
  • Low standby power consumption
  • Compact size
  • Integrated protection features

Package

FSFR1800XS comes in a compact and durable package, designed to withstand various environmental conditions.

Essence

The essence of FSFR1800XS lies in its ability to efficiently convert AC power to DC power, making it suitable for a wide range of applications.

Packaging/Quantity

Each package of FSFR1800XS contains one unit of the device.

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 180W
  • Switching Frequency: 65kHz
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Junction Temperature: 150°C
  • Maximum Duty Cycle: 75%

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for voltage regulation
  4. CS: Current sense pin
  5. DRAIN: Drain pin for power MOSFET
  6. SOURCE: Source pin for power MOSFET
  7. VREF: Reference voltage output
  8. COMP: Compensation pin for stability control
  9. RT/CT: Timing resistor/capacitor connection

Functional Features

  • Integrated high-voltage power MOSFET
  • Overload protection
  • Overvoltage protection
  • Overtemperature protection
  • Soft-start function
  • Frequency jittering for EMI reduction

Advantages

  • High efficiency leads to reduced power loss
  • Compact size allows for space-saving designs
  • Integrated protection features enhance system reliability
  • Soft-start function prevents excessive inrush current

Disadvantages

  • Limited output power compared to higher-rated devices
  • Requires careful consideration of thermal management due to high operating temperatures

Working Principles

FSFR1800XS operates based on the flyback converter topology. It converts the input AC voltage to a high-frequency AC voltage, which is then rectified and filtered to obtain the desired DC output voltage. The integrated power MOSFET switches the primary side of the transformer, controlling the energy transfer to the secondary side.

Detailed Application Field Plans

FSFR1800XS finds applications in various fields, including: 1. Consumer electronics 2. Industrial power supplies 3. LED lighting systems 4. Telecommunications equipment 5. Medical devices

Detailed and Complete Alternative Models

  1. FSFR2100XS
  2. FSFR2200XS
  3. FSFR2300XS
  4. FSFR2400XS
  5. FSFR2500XS

These alternative models offer similar functionality and can be considered as substitutes for FSFR1800XS depending on specific requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem FSFR1800XS w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of FSFR1800XS in technical solutions:

  1. Q: What is FSFR1800XS? A: FSFR1800XS is a highly integrated power switch designed for high-efficiency offline power supplies.

  2. Q: What are the key features of FSFR1800XS? A: The key features of FSFR1800XS include built-in protection features, high efficiency, low standby power consumption, and a wide input voltage range.

  3. Q: What are the typical applications of FSFR1800XS? A: FSFR1800XS is commonly used in applications such as LED lighting, consumer electronics, industrial power supplies, and motor control.

  4. Q: What is the maximum output power that FSFR1800XS can handle? A: FSFR1800XS can handle a maximum output power of up to 180W.

  5. Q: Does FSFR1800XS support over-temperature protection? A: Yes, FSFR1800XS has built-in over-temperature protection to ensure safe operation under high temperature conditions.

  6. Q: Can FSFR1800XS operate with a wide range of input voltages? A: Yes, FSFR1800XS has a wide input voltage range of 85VAC to 265VAC, making it suitable for various power supply applications.

  7. Q: Does FSFR1800XS require an external MOSFET? A: No, FSFR1800XS integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET.

  8. Q: Is FSFR1800XS compatible with both flyback and forward converter topologies? A: Yes, FSFR1800XS is compatible with both flyback and forward converter topologies, providing flexibility in design.

  9. Q: Does FSFR1800XS support frequency modulation for EMI reduction? A: Yes, FSFR1800XS supports frequency modulation to reduce electromagnetic interference (EMI) emissions.

  10. Q: What are the advantages of using FSFR1800XS in power supply designs? A: The advantages of using FSFR1800XS include high efficiency, compact size, simplified design, and reliable protection features.

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