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FSFR1700XS
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FSFR1700XS

Product Overview

Category

FSFR1700XS 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
  • Wide input voltage range
  • Overload and short-circuit protection

Package

FSFR1700XS is available in a compact and robust package, designed for easy installation and heat dissipation.

Essence

The essence of FSFR1700XS lies in its ability to efficiently convert high-voltage AC power into low-voltage DC power, making it suitable for various electronic devices.

Packaging/Quantity

FSFR1700XS is typically packaged individually and is available in varying quantities depending on the supplier.

Specifications

  • Input Voltage Range: 85VAC - 265VAC
  • Output Power: Up to 100W
  • Switching Frequency: 65kHz
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Junction Temperature: 150°C

Detailed Pin Configuration

  1. VCC: Power supply pin
  2. GND: Ground reference pin
  3. FB: Feedback pin for regulating output voltage
  4. CS: Current sense pin for controlling switching frequency
  5. DRAIN: Drain pin for connecting to the primary winding of the transformer
  6. SOURCE: Source pin for connecting to the ground reference

Functional Features

  • Integrated high-voltage power MOSFET
  • Built-in protection features such as overcurrent and overvoltage protection
  • Soft-start function for smooth power-up
  • Frequency jittering for reduced EMI emissions
  • Auto-restart feature for fault recovery

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Compact size allows for space-saving designs
  • Wide input voltage range enables global compatibility
  • Built-in protection features enhance system reliability

Disadvantages

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

Working Principles

FSFR1700XS operates on the principle of a flyback converter. It converts the high-voltage AC input into a low-voltage DC output by utilizing a transformer and a switching circuit. The integrated power MOSFET controls the energy transfer from the primary to the secondary side of the transformer, resulting in efficient power conversion.

Detailed Application Field Plans

FSFR1700XS finds applications in various fields, including: 1. Consumer electronics: Power supplies for televisions, audio systems, and gaming consoles. 2. Industrial equipment: Power converters for motor drives, lighting systems, and control circuits. 3. Telecommunications: Power modules for routers, switches, and communication devices. 4. Automotive: DC-DC converters for electric vehicles and charging stations.

Detailed and Complete Alternative Models

  1. FSFR1800XS: Higher power rating variant of FSFR1700XS, suitable for applications requiring more output power.
  2. FSFR2100XS: Advanced version with additional features such as digital control interface and enhanced protection mechanisms.
  3. FSFR1500XS: Lower power variant for applications with lower power requirements.

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10 domande e risposte comuni relative all'applicazione di FSFR1700XS nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of FSFR1700XS in technical solutions:

  1. Q: What is FSFR1700XS? A: FSFR1700XS is a highly integrated power switch designed for high-efficiency offline power supplies.

  2. Q: What are the key features of FSFR1700XS? A: The key features of FSFR1700XS include integrated high-voltage gate driver, protection features, and advanced control functions.

  3. Q: What is the typical application of FSFR1700XS? A: FSFR1700XS is commonly used in applications such as LED lighting, consumer electronics, industrial power supplies, and motor drives.

  4. Q: What is the maximum operating frequency of FSFR1700XS? A: The maximum operating frequency of FSFR1700XS is typically around 200 kHz.

  5. Q: Does FSFR1700XS support primary-side regulation (PSR)? A: Yes, FSFR1700XS supports primary-side regulation, which simplifies the design of feedback loops in power supplies.

  6. Q: What are the protection features offered by FSFR1700XS? A: FSFR1700XS provides protection against overvoltage, undervoltage, overcurrent, and over-temperature conditions.

  7. Q: Can FSFR1700XS be used in flyback or forward converter topologies? A: Yes, FSFR1700XS can be used in both flyback and forward converter topologies, making it versatile for various power supply designs.

  8. Q: Is FSFR1700XS compatible with low-voltage MOSFETs? A: No, FSFR1700XS requires high-voltage MOSFETs due to its integrated high-voltage gate driver.

  9. Q: What is the maximum output power that FSFR1700XS can handle? A: FSFR1700XS can handle output powers up to several hundred watts, depending on the specific application and design considerations.

  10. Q: Are there any evaluation boards or reference designs available for FSFR1700XS? A: Yes, Fairchild Semiconductor provides evaluation boards and reference designs to help engineers quickly prototype and implement FSFR1700XS in their applications.

Please note that these answers are general and may vary based on specific application requirements and design considerations.