ON Semiconductor
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FSFR1700US
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FSFR1700US

Product Overview

Category

FSFR1700US 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

FSFR1700US comes in a compact and robust package, ensuring durability and ease of installation.

Essence

The essence of FSFR1700US 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

Each package of FSFR1700US contains one unit of the device.

Specifications

  • Input Voltage Range: 85V - 265V AC
  • Output Power: Up to 170W
  • Operating Frequency: 50kHz - 150kHz
  • Maximum Duty Cycle: 75%
  • Standby Power Consumption: Less than 100mW
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VCC: Power supply input pin
  2. GND: Ground reference pin
  3. FB: Feedback pin for regulating output voltage
  4. CS: Current sense pin for controlling switching frequency
  5. SD: Shutdown pin for enabling/disabling the device
  6. DRAIN: High-voltage power switch pin
  7. SOURCE: Source pin for the internal MOSFET

Functional Features

  • Integrated high-voltage power switch
  • Built-in protection against overcurrent and short-circuits
  • 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
  • Wide input voltage range allows for universal compatibility
  • Compact size enables space-saving designs
  • Overload and short-circuit protection ensure device safety

Disadvantages

  • Limited output power compared to higher-rated devices
  • Requires additional external components for complete circuit implementation

Working Principles

FSFR1700US operates on the principle of flyback conversion. It utilizes a high-voltage power switch to store energy in the transformer during the switch-on period and then transfers it to the output during the switch-off period. This process ensures efficient power transfer and voltage regulation.

Detailed Application Field Plans

FSFR1700US finds applications in various fields, including: 1. Consumer electronics: Powering televisions, audio systems, and home appliances. 2. Industrial equipment: Driving motors, controlling lighting systems, and operating machinery. 3. Automotive electronics: Providing power to infotainment systems, lighting, and sensors. 4. Telecommunications: Powering network equipment and communication devices.

Detailed and Complete Alternative Models

  1. FSFR1800US
  2. FSFR2100US
  3. FSFR2400US
  4. FSFR2700US
  5. FSFR3000US

These alternative models offer higher output power ratings and may be suitable for applications requiring more power.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng FSFR1700US sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of FSFR1700US in technical solutions:

  1. Q: What is FSFR1700US? A: FSFR1700US is a highly integrated power switch designed for high-efficiency offline power supplies.

  2. Q: What are the key features of FSFR1700US? A: The key features of FSFR1700US include built-in protection features, high efficiency, low standby power consumption, and a wide input voltage range.

  3. Q: What applications can FSFR1700US be used in? A: FSFR1700US is commonly used in applications such as LED lighting, LCD TVs, set-top boxes, and other consumer electronics.

  4. Q: How does FSFR1700US help improve power supply efficiency? A: FSFR1700US incorporates advanced control techniques and low-loss components to achieve high power conversion efficiency.

  5. Q: What are the built-in protection features of FSFR1700US? A: FSFR1700US includes protection features like over-temperature protection, over-voltage protection, and over-current protection.

  6. Q: Can FSFR1700US operate with a wide range of input voltages? A: Yes, FSFR1700US has a wide input voltage range, typically from 85VAC to 265VAC, making it suitable for various power supply designs.

  7. Q: Does FSFR1700US support dimming functionality for LED lighting applications? A: Yes, FSFR1700US supports dimming functionality through pulse width modulation (PWM) control.

  8. Q: Is FSFR1700US easy to integrate into existing power supply designs? A: Yes, FSFR1700US is designed for easy integration and can be used as a drop-in replacement for other power switches in many applications.

  9. Q: What is the standby power consumption of FSFR1700US? A: FSFR1700US has low standby power consumption, typically less than 100mW, helping to meet energy efficiency requirements.

  10. Q: Are there any application notes or reference designs available for FSFR1700US? A: Yes, the manufacturer provides application notes and reference designs that can help engineers in implementing FSFR1700US in their projects.

Please note that the answers provided here are general and may vary depending on specific product documentation and application requirements.