FSFR2100

Product Overview

Category

FSFR2100 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

• FSFR2100 is a highly efficient and reliable IC designed for power conversion.
• It integrates various functions required for offline power supplies, reducing the need for external components.
• The IC operates at high frequencies, enabling compact and lightweight power supply designs.
• It offers protection features such as overvoltage, overcurrent, and over-temperature protection.

Package

FSFR2100 is available in a compact and industry-standard package, allowing easy integration into power supply designs.

Essence

The essence of FSFR2100 lies in its ability to efficiently convert input voltage into regulated output voltage, making it an essential component in power supply systems.

Packaging/Quantity

FSFR2100 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 85V - 265V AC
• Output Power: Up to 200W
• Switching Frequency: 65kHz - 115kHz
• Operating Temperature Range: -40°C to +150°C
• Efficiency: Up to 90%

Detailed Pin Configuration

1. VCC: Power supply input for the IC.
2. GND: Ground reference for the IC.
3. FB: Feedback pin for regulating the output voltage.
4. CS: Current sense pin for monitoring the load current.
5. SD: Shutdown pin for enabling/disabling the IC.
6. DRV: Gate driver output for driving the power MOSFET.
7. DRAIN: Connection to the drain terminal of the power MOSFET.
8. SOURCE: Connection to the source terminal of the power MOSFET.

Functional Features

• Integrated high-voltage power MOSFET for efficient power conversion.
• Built-in protection features ensure safe operation and prevent damage to the IC and connected components.
• Soft-start function for controlled startup, reducing stress on the power supply.
• Frequency jittering to minimize electromagnetic interference (EMI).
• Overload protection with auto-restart functionality.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and heat generation.
• Compact size enables space-saving designs.
• Integration of multiple functions simplifies circuit design and reduces component count.
• Wide input voltage range allows for universal compatibility.

Disadvantages

• Limited output power compared to higher-rated devices.
• Requires careful consideration of thermal management due to high operating temperatures.
• May not be suitable for applications requiring extremely low EMI emissions.

Working Principles

FSFR2100 operates based on the flyback converter topology. It utilizes a high-voltage power MOSFET to switch the primary side of the transformer, storing energy in the transformer during the switch-on period and transferring it to the secondary side during the switch-off period. This process enables efficient voltage conversion and regulation.

Detailed Application Field Plans

FSFR2100 finds extensive application in various power supply systems, including but not limited to: - Consumer electronics - Industrial equipment - LED lighting - Telecommunications - Medical devices

Detailed and Complete Alternative Models

1. FSFR2200: Higher power rating variant of FSFR2100, suitable for applications requiring greater output power.
2. FSFR2300: Enhanced version with additional protection features and improved efficiency.
3. FSFR2400: Advanced model with integrated power factor correction (PFC) functionality.

These alternative models offer similar functionalities while catering to different power requirements and specific application needs.

In conclusion, FSFR2100 is a highly efficient and reliable integrated circuit used in power supply applications. Its compact size, integration of multiple functions, and wide input voltage range make it a popular choice for various industries. However, designers should consider its limitations in terms of output power and thermal management. Alternative models provide options for different power requirements and additional features.